1 | function varargout = monbpm(varargin) |
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2 | %MONBPM - Monitors the orbit |
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3 | % [BPMx, BPMy, tout, DCCT, BPMxSTD, BPMySTD, FileName] = monbpm(t, BPMxFamily, BPMxList, BPMyFamily, BPMyList, FileName) |
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4 | % [BPMx, BPMy, FileName] = monbpm(... , 'Struct') |
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5 | % |
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6 | % INPUTS |
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7 | % 1. t = time vector [seconds], or |
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8 | % length of time in seconds to measure data (scalar) |
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9 | % {Default: 3 minute at a sample rate of 2 Hz} |
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10 | % {If empty, [], prompt for an input} |
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11 | % 2 and 4. BPMxFamily and BPMyFamily are the family names of the BPM's, {Default or []: the entire list} |
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12 | % 3 and 5. BPMxList and BPMyList are the device list of BPM's, {Default or []: the entire list} |
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13 | % 6. 'Struct' will return data structures instead of vectors |
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14 | % 'Numeric' will return vector outputs {Default} |
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15 | % 7. FileName = Filename (including directory) where the data was saved (if applicable) |
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16 | % 8. 'Archive' - save a data array structure to \<BPMData Directory>\<BPMData><Date><Time>.mat {Default} |
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17 | % 'NoArchive' - no data will be saved to file |
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18 | % 'Summary' - Sort BPM by decreasind STD value |
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19 | % |
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20 | % OUTPUTS |
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21 | % For numeric output: |
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22 | % 1-2. BPMx and BPMy are the raw orbit data matrices or structures |
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23 | % 3. DCCT is a row vector containing the beam current |
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24 | % 4. tout is a row vector of times as returned by getam |
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25 | % 5-6. BPMxSTD and BPMySTD are standard deviation of the difference orbits |
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26 | % 7. FileName = Filename (including directory) where the data was saved (if applicable) |
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27 | % |
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28 | % For structures: |
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29 | % BPMxSTD and BPMySTD are the .Sigma field |
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30 | % |
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31 | % NOTE |
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32 | % 1. All inputs are optional. All of the following have the same output: |
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33 | % [BPMx, BPMz, t] = monbpm(0:.5:180); |
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34 | % [BPMx, BPMz, t] = monbpm(0:.5:180, 'BPMx'); |
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35 | % [BPMx, BPMz, t] = monbpm('BPMx'); |
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36 | % [BPMx, BPMz, t] = monbpm('BPMx', 'BPMz'); |
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37 | % [BPMx, BPMz, t] = monbpm('BPMx', [], 'BPMz'); |
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38 | % |
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39 | % see Also plotmonbpm |
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40 | |
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41 | % |
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42 | % Written by Gregory J. Portmann |
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43 | % Adapted by Laurent S. Nadolski |
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44 | % July 1st, 2007 Added New Flag SummaryFlag to sort BPM by STD by descreasing values |
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45 | |
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46 | % Defaults |
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47 | BPMxFamily = 'BPMx'; %gethbpmfamily; too slow |
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48 | BPMyFamily = 'BPMz'; %getvbpmfamily; too slow |
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49 | BPMxList = []; |
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50 | BPMyList = []; |
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51 | T = 3*60; |
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52 | Tsample = .5; % Sampling period |
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53 | t = []; |
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54 | DisplayFlag = 1; |
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55 | FileName = -1; |
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56 | ArchiveFlag = 0; |
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57 | StructOutputFlag = 0; |
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58 | Navg = getbpmaverages; |
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59 | SummaryFlag = 1; |
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60 | |
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61 | % for refreshing BPM data TANGO issue |
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62 | getx; getz; |
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63 | |
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64 | % Look if 'struct' or 'numeric' in on the input line |
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65 | for i = length(varargin):-1:1 |
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66 | if strcmpi(varargin{i},'Struct') |
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67 | StructOutputFlag = 1; |
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68 | varargin(i) = []; |
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69 | elseif strcmpi(varargin{i},'Numeric') |
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70 | StructOutputFlag = 0; |
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71 | varargin(i) = []; |
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72 | elseif strcmpi(varargin{i},'Archive') |
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73 | ArchiveFlag = 1; |
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74 | if length(varargin) > i |
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75 | % Look for a filename as the next input |
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76 | if ischar(varargin{i+1}) |
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77 | FileName = varargin{i+1}; |
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78 | varargin(i+1) = []; |
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79 | end |
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80 | end |
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81 | varargin(i) = []; |
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82 | elseif strcmpi(varargin{i},'NoArchive') |
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83 | ArchiveFlag = 0; |
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84 | varargin(i) = []; |
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85 | elseif strcmpi(varargin{i},'NoDisplay') |
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86 | DisplayFlag = 0; |
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87 | varargin(i) = []; |
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88 | elseif strcmpi(varargin{i},'Summary') |
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89 | SummaryFlag = 1; |
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90 | varargin(i) = []; |
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91 | elseif strcmpi(varargin{i},'NoSummary') |
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92 | SummaryFlag = 0; |
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93 | varargin(i) = []; |
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94 | elseif strcmpi(varargin{i},'Display') |
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95 | DisplayFlag = 1; |
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96 | varargin(i) = []; |
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97 | end |
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98 | end |
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99 | |
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100 | |
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101 | % t input |
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102 | if length(varargin) >= 1 |
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103 | if isnumeric(varargin{1}) |
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104 | t = varargin{1}; |
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105 | varargin(1) = []; |
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106 | |
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107 | if isempty(t) |
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108 | prompt = {'Input the sample period (seconds)', 'Input the total data collection time (seconds)'}; |
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109 | answer = inputdlg(prompt,'monbpm',1,{'.5','180'}); |
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110 | if isempty(answer) |
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111 | fprintf(' monbpm canceled\n'); |
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112 | return |
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113 | end |
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114 | T = str2num(answer{1}); |
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115 | EndTime = str2num(answer{2}); |
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116 | t = 0:T:EndTime; |
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117 | end |
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118 | end |
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119 | end |
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120 | |
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121 | % Look for BPMx family info |
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122 | if length(varargin) >= 1 |
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123 | if ischar(varargin{1}) |
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124 | BPMxFamily = varargin{1}; |
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125 | varargin(1) = []; |
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126 | if length(varargin) >= 1 |
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127 | if isnumeric(varargin{1}) |
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128 | BPMxList = varargin{1}; |
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129 | varargin(1) = []; |
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130 | end |
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131 | end |
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132 | else |
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133 | if isnumeric(varargin{1}) |
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134 | BPMxList = varargin{1}; |
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135 | varargin(1) = []; |
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136 | end |
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137 | end |
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138 | end |
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139 | |
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140 | % Look for BPMy family info |
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141 | if length(varargin) >= 1 |
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142 | if ischar(varargin{1}) |
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143 | BPMyFamily = varargin{1}; |
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144 | varargin(1) = []; |
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145 | if length(varargin) >= 1 |
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146 | if isnumeric(varargin{1}) |
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147 | BPMyList = varargin{1}; |
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148 | varargin(1) = []; |
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149 | end |
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150 | end |
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151 | else |
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152 | if isnumeric(varargin{1}) |
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153 | BPMyList = varargin{1}; |
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154 | varargin(1) = []; |
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155 | end |
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156 | end |
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157 | end |
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158 | |
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159 | % Look for FileName info |
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160 | if length(varargin) >= 1 |
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161 | if ischar(varargin{1}) |
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162 | FileName = varargin{1}; |
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163 | end |
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164 | end |
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165 | |
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166 | if isempty(t) |
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167 | t = 0:Tsample:T; |
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168 | end |
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169 | |
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170 | % Make a row vector |
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171 | t = t(:)'; |
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172 | |
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173 | % If scalar, create a vector |
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174 | if length(t) == 1 |
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175 | t = 0:Tsample:t; |
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176 | end |
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177 | |
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178 | |
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179 | if ArchiveFlag |
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180 | if isempty(FileName) |
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181 | FileName = appendtimestamp('BPMData'); |
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182 | DirectoryName = getfamilydata('Directory','BPMData'); |
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183 | if isempty(DirectoryName) |
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184 | DirectoryName = [getfamilydata('Directory','DataRoot'), filesep, 'BPM', filesep]; |
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185 | else |
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186 | % Make sure default directory exists |
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187 | DirStart = pwd; |
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188 | [DirectoryName, ErrorFlag] = gotodirectory(DirectoryName); |
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189 | cd(DirStart); |
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190 | end |
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191 | [FileName, DirectoryName] = uiputfile('*.mat', 'Select a BPM Monitor File', [DirectoryName FileName]); |
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192 | if FileName == 0 |
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193 | ArchiveFlag = 0; |
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194 | fprintf(' monbpm canceled\n'); |
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195 | varargout{1} = []; |
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196 | return |
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197 | end |
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198 | FileName = [DirectoryName, FileName]; |
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199 | elseif FileName == -1 |
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200 | FileName = appendtimestamp('BPMData'); |
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201 | DirectoryName = getfamilydata('Directory','BPMData'); |
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202 | if isempty(DirectoryName) |
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203 | DirectoryName = [getfamilydata('Directory','DataRoot'), filesep, 'BPM', filesep]; |
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204 | end |
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205 | FileName = [DirectoryName, FileName]; |
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206 | end |
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207 | end |
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208 | |
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209 | |
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210 | if DisplayFlag |
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211 | fprintf(' Monitoring orbit and current for %.1f seconds\n', t(end)); drawnow; |
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212 | end |
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213 | TimeStart = gettime; |
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214 | |
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215 | if isfamily('DCCT') |
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216 | AM = getam({BPMxFamily, BPMyFamily, 'DCCT'}, {BPMxList, BPMyList,[]}, t, 'struct'); |
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217 | DCCT = AM{3}; |
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218 | else |
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219 | AM = getam({BPMxFamily, BPMyFamily}, {BPMxList, BPMyList}, t, 'struct'); |
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220 | DCCT = []; |
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221 | end |
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222 | BPM(1) = AM{1}; |
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223 | BPM(2) = AM{2}; |
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224 | |
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225 | BPM(1).NumberOfAverages = Navg; |
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226 | BPM(1).DCCT = DCCT; |
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227 | BPM(1).CreatedBy = 'monbpm'; |
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228 | BPM(1).DataDescriptor = 'Orbit Data'; |
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229 | |
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230 | BPM(2).NumberOfAverages = Navg; |
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231 | BPM(2).DCCT = DCCT; |
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232 | BPM(2).CreatedBy = 'monbpm'; |
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233 | BPM(2).DataDescriptor = 'Orbit Data'; |
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234 | |
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235 | |
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236 | |
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237 | if DisplayFlag |
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238 | tout = BPM(1).tout; |
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239 | Mx = BPM(1).Data; |
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240 | % Orbit compared to first set |
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241 | for i = 1:size(Mx,2) |
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242 | Mx(:,i) = Mx(:,i) - BPM(1).Data(:,1); |
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243 | end |
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244 | |
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245 | figure |
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246 | subplot(2,2,1); |
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247 | plot(tout, Mx); |
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248 | grid on; |
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249 | %title(sprintf('BPM Data (%s)', datestr(BPM(1).TimeStamp))) |
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250 | xlabel('Time [Seconds]'); |
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251 | ylabel('Horizontal Relative Position [mm]'); |
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252 | axis tight |
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253 | |
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254 | tout = BPM(2).tout; |
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255 | % Orbit compared to first set |
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256 | My = BPM(2).Data; |
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257 | for i = 1:size(My,2) |
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258 | My(:,i) = My(:,i) - BPM(2).Data(:,1); |
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259 | end |
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260 | |
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261 | subplot(2,2,3); |
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262 | plot(tout, My); |
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263 | grid on; |
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264 | xlabel('Time [Seconds]'); |
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265 | ylabel(sprintf('Vertical Position [%s]', BPM(2).UnitsString)); |
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266 | axis tight |
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267 | end |
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268 | |
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269 | |
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270 | % Warn if the measurement did not keep in time step with t |
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271 | tmeas = tout-t; |
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272 | if any(tmeas(1:end-1) > 1.05*diff(t)) |
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273 | fprintf(' WARNING: The time allotted for getting data is too small\n'); |
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274 | end |
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275 | |
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276 | |
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277 | |
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278 | % Compute the standard deviation |
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279 | if 0 |
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280 | % Definition of standard deviations |
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281 | BPM(1).Sigma = std(BPM(1).Data,0,2); |
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282 | BPM(2).Sigma = std(BPM(2).Data,0,2); |
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283 | |
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284 | else |
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285 | |
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286 | % Low frequency drifting increases the STD. For many purposes, like LOCO, |
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287 | % this is not desireable. Using difference orbits mitigates the drift problem. |
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288 | Mx = BPM(1).Data; |
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289 | for i = 1:size(Mx,2)-1 |
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290 | Mx(:,i) = Mx(:,i+1) - Mx(:,i); |
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291 | end |
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292 | Mx(:,end) = []; |
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293 | |
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294 | My = BPM(2).Data; |
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295 | for i = 1:size(My,2)-1 |
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296 | My(:,i) = My(:,i+1) - My(:,i); |
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297 | end |
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298 | My(:,end) = []; |
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299 | |
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300 | BPM(1).Sigma = std(Mx,0,2) / sqrt(2); % sqrt(2) comes from substracting 2 random variables |
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301 | BPM(2).Sigma = std(My,0,2) / sqrt(2); |
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302 | |
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303 | end |
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304 | |
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305 | if DisplayFlag |
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306 | subplot(2,2,2); |
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307 | List = BPM(1).DeviceList; |
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308 | Nsectors = max(List(:,1)); |
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309 | Ndevices = max(List(:,2)); |
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310 | Sector = List(:,1) + List(:,2)/Ndevices + 1/Ndevices/2; |
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311 | [Sector Idx] = sort(Sector); |
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312 | plot(Sector, BPM(1).Sigma(Idx)); |
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313 | grid on; |
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314 | xaxis([1 Nsectors+1]) |
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315 | set(gca,'XTick',1:Nsectors); |
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316 | xlabel('Sector Number'); |
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317 | ylabel(sprintf('Horizontal STD [%s]', BPM(1).UnitsString)); |
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318 | |
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319 | subplot(2,2,4); |
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320 | List = BPM(2).DeviceList; |
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321 | Nsectors = max(List(:,1)); |
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322 | Ndevices = max(List(:,2)); |
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323 | Sector = List(:,1) + List(:,2)/Ndevices + 1/Ndevices/2; |
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324 | [Sector Idx] = sort(Sector); |
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325 | plot(Sector, BPM(2).Sigma(Idx)); |
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326 | grid on; |
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327 | xaxis([1 Nsectors+1]) |
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328 | set(gca,'XTick',1:Nsectors); |
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329 | xlabel('Sector Number'); |
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330 | ylabel(sprintf('Vertical STD [%s]', BPM(2).UnitsString)); |
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331 | |
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332 | addlabel(.5,1,sprintf('BPM Data (%s)', datestr(BPM(1).TimeStamp)), 10); |
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333 | orient landscape |
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334 | end |
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335 | |
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336 | |
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337 | % Save data in the proper directory |
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338 | if ArchiveFlag | ischar(FileName) |
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339 | [DirectoryName, FileName, Ext] = fileparts(FileName); |
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340 | DirStart = pwd; |
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341 | [DirectoryName, ErrorFlag] = gotodirectory(DirectoryName); |
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342 | if ErrorFlag |
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343 | fprintf('\n There was a problem getting to the proper directory!\n\n'); |
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344 | end |
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345 | BPMxData = BPM(1); |
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346 | BPMyData = BPM(2); |
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347 | save(FileName, 'BPMxData', 'BPMyData'); |
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348 | %save(FileName, 'BPM'); |
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349 | cd(DirStart); |
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350 | FileName = [DirectoryName, FileName, '.mat']; |
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351 | |
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352 | if DisplayFlag |
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353 | fprintf(' BPM data saved to %s\n', FileName); |
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354 | fprintf(' The total measurement time was %.2f minutes.\n', (gettime-TimeStart)/60); |
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355 | end |
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356 | else |
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357 | FileName = ''; |
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358 | end |
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359 | |
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360 | |
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361 | if SummaryFlag |
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362 | [SortedData1 DataIdx1] = sort(BPM(1).Sigma,'descend'); |
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363 | SortedDeviceList1 = BPM(1).DeviceList(DataIdx1,:); |
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364 | [SortedData2 DataIdx2] = sort(BPM(2).Sigma,'descend'); |
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365 | SortedDeviceList2 = BPM(2).DeviceList(DataIdx2,:); |
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366 | |
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367 | % sort by drift |
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368 | maxBPM1 = max(abs(Mx),[],2); |
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369 | [SortedData3 DataIdx3] = sort(maxBPM1,'descend'); |
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370 | SortedDeviceList3 = BPM(1).DeviceList(DataIdx3,:); |
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371 | maxBPM2 = max(abs(My),[],2); |
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372 | [SortedData4 DataIdx4] = sort(maxBPM2,'descend'); |
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373 | SortedDeviceList4 = BPM(2).DeviceList(DataIdx4,:); |
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374 | |
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375 | fprintf('\n\n BPMxname DevList Max drift BPMzname DevList Max drift\n'); |
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376 | for k=1:size(BPM(1).DeviceList,1), |
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377 | fprintf('%s [%2d %2d] %6.2e [%s] %s [%2d %2d] %6.2e [%s] \n', ... |
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378 | 'BPMx', SortedDeviceList3(k,1), SortedDeviceList3(k,2), SortedData3(k), BPM(1).UnitsString, ... |
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379 | 'BPMz', SortedDeviceList4(k,1), SortedDeviceList4(k,2), SortedData4(k), BPM(2).UnitsString); |
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380 | end |
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381 | |
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382 | fprintf('\n\n BPMxname DevList STD value BPMzname DevList STD value\n'); |
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383 | for k=1:size(BPM(1).DeviceList,1), |
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384 | fprintf('%s [%2d %2d] %6.2e [%s] %s [%2d %2d] %6.2e [%s] \n', ... |
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385 | 'BPMx', SortedDeviceList1(k,1), SortedDeviceList1(k,2), SortedData1(k), BPM(1).UnitsString, ... |
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386 | 'BPMz', SortedDeviceList2(k,1), SortedDeviceList2(k,2), SortedData2(k), BPM(2).UnitsString); |
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387 | end |
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388 | end |
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389 | |
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390 | if StructOutputFlag |
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391 | % Output variables |
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392 | varargout{1} = BPM(1); |
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393 | varargout{2} = BPM(2); |
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394 | varargout{3} = FileName; |
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395 | else |
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396 | % Output variables |
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397 | varargout{1} = BPM(1).Data; |
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398 | varargout{2} = BPM(2).Data; |
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399 | varargout{3} = tout; |
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400 | varargout{4} = DCCT; |
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401 | varargout{5} = BPM(1).Sigma; |
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402 | varargout{6} = BPM(2).Sigma; |
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403 | varargout{7} = FileName; |
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404 | end |
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