BSA Flow Software Installation and User's Guide - CSI

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File Header Data Header Data1 Data Header Data2 Data Header Data3 : : Figure 5-46 Overall binary file structure. Offset Bytes Field description 000H 6 Binary export signature "DXEX\0\0", ASCII string. 006H 2 Version number. 008H 4 Size of this file header. 00CH 16 Traverse x-position, ASCII string. 01CH 16 Traverse y-position, ASCII string. 02CH 16 Traverse z-position, ASCII string. 03CH 12 Reserved. 048H 128 Project name, ASCII string. 0C8H 16 User name, ASCII string. 0D8H 64 Time stamp, ASCII string. 118H 64 Reserved. 158H 2 Number of data arrays. 15AH 128 Reserved. 1DAH 32 Reserved. 1FAH 12 Reserved. Table 1 Format of Binary Export file header. 5-54 BSA Flow Software: Project explorer objects
Data C Headers Programming Examples Offset Bytes Field description 000H 2 Version. 002H 4 Size of this data header. 006H 64 Name of data array. 046H 4 Reserved. 04AH 4 Data type: 0 = double precision 1 = float precision 2 = integer 04EH 4 Data size. 8 = double precision 4 = float precision 4 = integer 052H 4 Data count. 056H 4 Reserved. 05AH 16 Reserved. 070H 16 Reserved. 086H 32 Reserved. Table 2 Format of Binary Export data header. Data is placed immediately after the data header. The size of the data block is given by: Data size * Data count. Data is saved in double presition, floating point or integer format given by the Data type value, see Table 3. Data type Data size Data formats 0 8 bytes Double precision floating point 1 4 bytes Floating point 2 4 bytes Integer Table 3 Data formats. The header structures for C/C++ can be found in the “DXExportHeader.h" file included in the samples directory on the CD-rom. A sample program for the binary export is placed on the CD-rom. In the samples directory a tool is also included for converting a binary export file to an ASCII file. //Ex1: Open and read file header information int main(int argc, char* argv[]) { char id[6] = {0}; // binary export file id short version = 0; // file header version long size = 0; // file header size printf("Open and read file header information\n"); char filename[256] = {0}; strcpy(filename,argv[1]); int fh = _open(filename,_O_RDONLY|_O_BINARY); BSA Flow Software: Project explorer objects 5-55
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BSA Flow Software Version 4.10 Inst
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1. General 1.1 Table of Contents 1.
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5.5 Optical Calibrated LDA System p
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7.2.1 Basic principles of phase Dop
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1.2 Dantec Dynamics Licence Agreeme
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1.3 Laser safety All equipment usin
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2. Introduction Congratulations wit
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2.1.9 Analog Monitor Option 2.1.10
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2.3.4 Trouble shooting 2.3.5 On-lin
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3. Installation 3.1 General 3.1.1 P
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Directory structure CPU usage will
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3.2.2 Installation as administrator
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You have the possibility to define
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Click Next and select the add-ons y
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Peer-to-peer connection Processor s
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Click on the Download tab to get th
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The BSA processor will restart. Thi
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• If the Game controller needs to
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Figure 3-2 National Instruments Mea
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3.7 Third party traverse system To
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4. The user interface 4.1 Layout Me
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4. If the mouse pointer was in the
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4.3 Project explorer shortcuts to t
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Figure 4-5 Dialog for adding object
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Using Templates To make a Template,
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4.6 The tool bar Figure 4-6 the pro
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Save As... Figure 4-10 the File men
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Figure 4-11 Save As compressed proj
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Figure 4-14 the Properties - Summar
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Figure 4-18 The Select Position dia
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Options With the Options you get a
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When Enable error logging is checke
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The fourth format, Significant Digi
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The PDA Optical Configuration objec
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4.7.7 Help menu Figure 4-34 The Hel
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4.9 Message window • by clicking
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PM and Bragg cell connections Warni
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LDA and PDA transmitting optics The
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Click on OK. Note For fully opaque
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In the third step, the software con
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Lightweight Traverse with handbox C
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57G15 Traverse interface Third part
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• right-click the Traverse Server
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4. This brings up the following dia
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To change a setting, click in the V
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Figure 4-39 System monitor in auto-
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14. You have now completed data acq
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4. Check the Show System Monitor wh
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. 8. LDA 1 properties are specific
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11. To monitor the Doppler signals,
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The axes will automatically rescale
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Click Acquire. If a complete new re
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Define the positions that you want
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Select the type of the files to ope
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5. Project explorer objects 5.1 Sta
Page 111 and 112: Browse to the file you wish to impo
Page 113 and 114: For each column, the data type must
Page 115 and 116: 5.3.1 Output properties Figure 5-4
Page 117 and 118: Figure 5-7 The Custom… dialog und
Page 119 and 120: Figure 5-8 BSA F/P 30: processor pr
Page 121 and 122: Max. acquisition time: The maximum
Page 123 and 124: Normal user interface Advanced user
Page 125 and 126: Figure 5-11 The Bragg cell connecto
Page 127 and 128: LDA 1, 2, . properties: Range and g
Page 129 and 130: 5.3.4 System monitor It frequently
Page 131 and 132: Scope: Burst spectrum display Recor
Page 133 and 134: Overlaid Graphs: used to show the b
Page 135 and 136: Uncheck the Use default bindings bo
Page 137 and 138: The calibration data are stored in
Page 139 and 140: 5.6.1 PDA beam system The Beam syst
Page 141 and 142: Figure 5-24: Fringe direction setti
Page 143 and 144: 5.6.4 Medium properties Medium name
Page 145 and 146: Software max. limit in mm.: Self ex
Page 147 and 148: The default address of the National
Page 149 and 150: Traverse coordinates of a datum poi
Page 151 and 152: 5.7.8 Traverse Mesh generator If yo
Page 153 and 154: Regions Figure 5-39 Motion pattern,
Page 155 and 156: Warning Please observe strict secur
Page 157 and 158: 5.9 Export Figure 5-40 Data-sources
Page 159 and 160: If multiple positions are exported
Page 161: 5.9.3 Selected columns 5.9.4 Binary
Page 165 and 166: char filename[256] = {0}; strcpy(fi
Page 167 and 168: Range means that the filter will ap
Page 169 and 170: 5.11.1 Data Properties Note that th
Page 171 and 172: Figure 5-54. Size histogram (left)
Page 173 and 174: Figure 5-57. Velocity distribution
Page 175 and 176: Figure 5-58 list output of 1D PDA d
Page 177 and 178: The next selection in the context m
Page 179 and 180: 5.13.2 Objects under Merge object A
Page 181 and 182: N−1 Mean u ∑ ηiui = i= 0 N−1
Page 183 and 184: Cross-moments The property Cross-mo
Page 185 and 186: The calculation of ε fails if Umea
Page 187 and 188: Figure 5-71 General properties of t
Page 189 and 190: An alternative geometry of a 3D LDA
Page 191 and 192: Figure 5-75: FiberPDA phase plot. A
Page 193 and 194: 5.16.3 Display properties The defau
Page 195 and 196: The output quantities of the diamet
Page 197 and 198: 6. Options and Add-ons This chapter
Page 199 and 200: 6.1 Advanced Graphics Add-on The ma
Page 201 and 202: Figure 6-2 The Tools-Options-Output
Page 203 and 204: Figure 6-5 Scale properties for 2D
Page 205 and 206: Property group ‘Display’ Also t
Page 207 and 208: 6.1.3 2D Plot [m/s] 36 34 32 The 2D
Page 209 and 210: 6.1.4 2D Histogram For off-line use
Page 211 and 212: Configuring the 2D Histogram The co
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Configuring the 3D Plot Figure 6-21
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Figure 6-23 “Interpolate bin” s
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Property group ‘Data’ Figure 6-
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Coordinate shown on Intercepts the
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LDA1-Mean [m/ s] -2,00 -3,00 -4,00
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Figure 6-32 Properties of the Vecto
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Figure 6-33 shows a velocity vector
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6.1.9 Exporting plots Copying a plo
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6.2 Synchronisation Option 6.2.1 In
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Pin Signal Pin Signal 1 Out 1 14 Gr
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6.2.5 Sync. Output Signals properti
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Outputs Figure 6-40 Differential sy
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Figure 6-42 Cyclic phenomena in the
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Cycle length The property Cycle len
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It allows to define the number of b
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Note It is not possible to have 0 a
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Figure 6-47: Output data from the c
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performed prior to phase sorting yo
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Figure 6-51 Properties of the spect
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Blocking Using the FFT-approach to
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1,2 1,0 0,8 0,6 0,4 0,2 Weight fact
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Output from the Spectrum object The
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6.4.2 Advanced Spectrum object Load
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To evaluate the new algorithm, comp
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6.4.3 Correlation object Conclusion
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20 16 12 8 4 0 0.0 0.2 0.4 0.6 0.8
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Time The first column of the output
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The Protocol Figure 6-67: Generic t
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How to Use the Initialisation Strin
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Figure 6-69: Traverse File option i
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Properties Output from MATLAB engin
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Result window Script Hides and disp
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6.6.2 Calculation object from to
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Tip To combine calculated data and
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max var. max of all arguments sum v
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6.7.3 Software set-up Once A/D-hard
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Figure 6-76 BSA F/P application win
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6.7.7 Analog input specifications J
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6.8.1 Installation 6.8.2 Hardware c
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Figure 6-85 BSA F/P application win
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6.9.1 Required hardware 6.9.2 Calib
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2. Select Parameter Input 3. The fo
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B. Select Advanced Curve fitting an
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6.10 Mobile system Monitor option T
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7. Reference guide 7.1 Theory of La
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Doppler effect d0 R(z) Figure 7-1 L
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es e2 e1 U Figure 7-3 Scattering of
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Measuring volume proportional to pa
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Laser fI Beam splitter As indicated
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7.1.6 Frequency shift • Reduce th
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As long as the particle velocity do
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7.1.7 Signals The primary result of
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7.1.8 Seeding Seeding as flow field
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150 90 180 0 180 0 180 0 210 120 24
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7.2 Theory of Phase Doppler Anemome
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D is the particle diameter. βi is
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For reflection (Equation 7-16) The
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Figure 7-21: The effect of changing
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This is the principle of the spheri
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The trajectory effect The slit effe
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Figure 7-28:The DualPDA as a combin
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Figure 7-31: Reflection and refract
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Characteristic scattering angles At
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⎛ ϕ ⎞ ϕ2 = 4arcsin⎜ ⎟ −
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Figure 7-36: The critical angle con
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Using side scatter (reflected light
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Mask Front Lens Eye-piece Spatial f
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Alignment of the eyepiece The focus
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This is often not necessary in 1D a
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For both orientations of polarizati
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Figure 7-46. The effect of changing
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Table of characteristic angles Defi
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n rel ϕ c1 ϕ b0 ϕ c2 ϕ b2 ϕ r2
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Choice of wavelength Choice of mask
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Choice of wavelength and focal leng
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Choice of polarization Choice of sc
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Focal length Transmitter (FiberFlow
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Polarization ring Fixing screw Push
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Aperture plates The particle size r
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Tighten the cable securely at each
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Disconnect the receiving fiber V1 f
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Step by step procedure Phase-Dopple
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Lower half: The lower half of the b
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Recommended acceptance angles of th
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7.7.4 Air bubble in freon Character
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7.7.6 Bubble of air in diesel oil C
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7.7.8 Glass sphere in water Charact
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7.7.10 Latex sphere in water Charac
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Blocking increases calculation spee
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In this particular example we get:
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7.9 Moments (one-time statistics) 7
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1 = N Mean D mean ui (7-31) N ∑
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Software implementation Updating me
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u v 2 2 = = ∑ ∑ tU tV 2 2 − 2
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(histogram properties). ni is the n
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volume is calculated for the class
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D30 The volume mean diameter is cal
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Three further factors are however i
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d e ln 2 max 2 V do ∗ Vt = ( 7-48
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Diameter bins The number of diamete
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Trajectory dependent detection area
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Corrected particle Max d e ( Di ) C
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Integral time-scale τI Definition
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The mean values of u(t) and v(t) ar
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Low pass filtering & Step noise Obv
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fc ≡ t 1 2 ∆ If the true signal
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Estimator bias Estimator variance S
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-again S’(f) is used to distingui
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Zero padding Often the sampling per
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As an example the Hanning window is
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The Explorer window will now look s
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8.2.2 Peer-to-Peer Configuration Co
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. High Voltage or Figure 8-3: Calib
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Invalid particles in the corners Th
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Gaussain beam effect The following
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To check for connection, right-clic
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