BSA Flow Software Installation and User's Guide - CSI

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Figure 7-61 the Tools - Plug-In’s menu The input parameters are: Relative refactive index. It is the refractive index of the particle divided by the refractive index of the medium. It is contained between 0.6 and 2. Scattering angle: It is the angle ϕ between the laser beams plane and the receiving optics (Figure 7-18). It is contained between 2 and 180. Polarisation: It is the angle laser beams polarization and it is defined in relation to the scattering plane. Parallel (perpendicular) means parallel (perpendicular) to the interference fringes plane. The output information: Confidence: It is, in percentage, the confidence of linearity of the phasediameter relation. It gives the percentage of the dominant scattering mode in relation to the total scattered ligth. The confidence is calculated from the input parameters (relative refractive index, polarization) and plotted in function of the scattering angle. The confidence value is given for the entered scattering angle and the corresponding scattering mode. Dominant scattering angle: It is determined from the relative refractive index, polarization and the entered scattering mode. 7-80 BSA Flow Software: Reference guide
Step by step procedure Phase-Doppler Linearity vs Scattering Angle Input Enter relative refractive index: Valid range 0.6 - 2.0 1,334 Enter scattering angle: Valid range 2 - 180 30 deg. Select polarisation: Output: Perpendicular Parallel Confidence: 97,04 % (Confidence of linearity) Dominant scattering order: 1st order refraction For the above configuration, the best scattering angle was: 68 deg. Graph The graph below indicates the confidence of linearity for a particular particle type: 100 80 60 40 20 0 Confidence vs Scattering Angle 0 20 40 60 80 100 120 140 160 180 All rights reserved. Dantec Dynamics A/S 2002 Data supplied by SLA, Technische Universitat, Darmstadt. Scattering angle (deg) Figure 7-62: PDA optical configuration Excell spreadsheet. 1. Enter the relative refractive index 2. Select the laser polarization 3. Select a scattering angle from the graph. The selected scattering angle should correspond to a confidence higher 90% and should be selected in an area where the confidence is flat. Pics where the confidence varies too much with scattering angle should be avoided. 4. Enter the selected scattering angle. Read the corresponding scattering mode. The user will enter the scattering angle and scattering mode in the PDA receiver properties (chapter 5.8.2 PDA receiver). Simulations The simulations are based on the Lorenz-Mie theory with a Debye-series decomposition. The Lorenz-Mie theory describes the interaction between a plane wave and a homogeneous, isotropic and spherical particle. Its decomposition in Debye series allows to interprete the scattered field in term of scattering mode. For all particles diameter between 10 and 200 µm (by steps of 1 µm), the percentage of each scattering mode in relation of the total ligth intensity was calculated. For all the scattering angles and each particle, the highest percentage is selected. Then, the minimum of all the highest percentage is selected from all the diameters and plotted. These calculations were repeated BSA Flow Software:Reference guide 7-81
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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
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Browse to the file you wish to impo
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For each column, the data type must
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5.3.1 Output properties Figure 5-4
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Figure 5-7 The Custom… dialog und
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Figure 5-8 BSA F/P 30: processor pr
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Max. acquisition time: The maximum
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Normal user interface Advanced user
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Figure 5-11 The Bragg cell connecto
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LDA 1, 2, . properties: Range and g
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5.3.4 System monitor It frequently
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Scope: Burst spectrum display Recor
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Overlaid Graphs: used to show the b
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Uncheck the Use default bindings bo
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The calibration data are stored in
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5.6.1 PDA beam system The Beam syst
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Figure 5-24: Fringe direction setti
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5.6.4 Medium properties Medium name
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Software max. limit in mm.: Self ex
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The default address of the National
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Traverse coordinates of a datum poi
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5.7.8 Traverse Mesh generator If yo
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Regions Figure 5-39 Motion pattern,
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Warning Please observe strict secur
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5.9 Export Figure 5-40 Data-sources
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If multiple positions are exported
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5.9.3 Selected columns 5.9.4 Binary
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Data C Headers Programming Examples
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char filename[256] = {0}; strcpy(fi
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Range means that the filter will ap
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5.11.1 Data Properties Note that th
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Figure 5-54. Size histogram (left)
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Figure 5-57. Velocity distribution
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Figure 5-58 list output of 1D PDA d
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The next selection in the context m
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5.13.2 Objects under Merge object A
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N−1 Mean u ∑ ηiui = i= 0 N−1
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Cross-moments The property Cross-mo
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The calculation of ε fails if Umea
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Figure 5-71 General properties of t
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An alternative geometry of a 3D LDA
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Figure 5-75: FiberPDA phase plot. A
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5.16.3 Display properties The defau
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The output quantities of the diamet
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6. Options and Add-ons This chapter
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6.1 Advanced Graphics Add-on The ma
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Figure 6-2 The Tools-Options-Output
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Figure 6-5 Scale properties for 2D
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Property group ‘Display’ Also t
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6.1.3 2D Plot [m/s] 36 34 32 The 2D
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6.1.4 2D Histogram For off-line use
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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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Page 337 and 338: Characteristic scattering angles At
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Page 341 and 342: Figure 7-36: The critical angle con
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Page 355 and 356: Table of characteristic angles Defi
Page 357 and 358: n rel ϕ c1 ϕ b0 ϕ c2 ϕ b2 ϕ r2
Page 365 and 366: Choice of wavelength Choice of mask
Page 367 and 368: Choice of wavelength and focal leng
Page 369 and 370: Choice of polarization Choice of sc
Page 371 and 372: Focal length Transmitter (FiberFlow
Page 373 and 374: Polarization ring Fixing screw Push
Page 375 and 376: Aperture plates The particle size r
Page 377 and 378: Tighten the cable securely at each
Page 379: Disconnect the receiving fiber V1 f
Page 383 and 384: Lower half: The lower half of the b
Page 385 and 386: Recommended acceptance angles of th
Page 387 and 388: 7.7.4 Air bubble in freon Character
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Page 391 and 392: 7.7.8 Glass sphere in water Charact
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Page 395 and 396: Blocking increases calculation spee
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Page 399 and 400: 7.9 Moments (one-time statistics) 7
Page 401 and 402: 1 = N Mean D mean ui (7-31) N ∑
Page 403 and 404: Software implementation Updating me
Page 405 and 406: u v 2 2 = = ∑ ∑ tU tV 2 2 − 2
Page 407 and 408: (histogram properties). ni is the n
Page 409 and 410: volume is calculated for the class
Page 411 and 412: D30 The volume mean diameter is cal
Page 413 and 414: Three further factors are however i
Page 415 and 416: d e ln 2 max 2 V do ∗ Vt = ( 7-48
Page 417 and 418: Diameter bins The number of diamete
Page 419 and 420: Trajectory dependent detection area
Page 421 and 422: Corrected particle Max d e ( Di ) C
Page 423 and 424: Integral time-scale τI Definition
Page 425 and 426: The mean values of u(t) and v(t) ar
Page 427 and 428: Low pass filtering & Step noise Obv
Page 429 and 430: 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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