Difference between revisions of "G2p BPM calibration"

Revision as of 09:23, 4 September 2012

1H05A Harp

Introduction

Operation

Data

Calibration

New Hall A 4 channels BPM receivers

Introduction

calibration code

you can find the code in /w/halla-1/g2p/pzhu/bpm

Calibration

Record

Result

2012-03-13 straight through

Harp Position

04 pos:	-0.596600	-3.427600
05 pos:	-0.083863	-0.210633

04 pos:	1.862300	-3.284650
05 pos:	5.177507	0.096181

04 pos:	-0.699100	-0.628700
05 pos:	0.361084	3.999516

04 pos:	-1.063000	-3.079700
05 pos:	-3.858823	-0.391652

FastBus BPM Constant(changed in DB)

Left Arm;
 BPMA:
  Pedestal: 6725  6822  6693  6646
  Constant: -0.805439 -0.918064 -0.655198 0.827926 0.000966196 -0.00048809
 BPMB:
  Pedestal: 6771  6692  6895  6636
  Constant: -0.94476 -0.43273 -0.450026 1.00609 0.000283125 -0.000590868
Right Arm:
 BPMA:
  Pedestal: 7993  7684  7650  7741
  Constant: -0.81659 -0.957246 -0.649409 0.849953 -0.000214091 0.000813938
 BPMB:
  Pedestal: 7647  7090  7515  7582
  Constant: -0.986274 -0.453713 -0.398684 0.978419 0.000452928 -0.000172695

Happex BPM Constant

Left Arm:
 BPMA: 
  Pedestal: -212 365 302 -50
  Constant: 0.672299 0.821784 0.821081 -0.75202 0.000213337 -0.000229398
 BPMB:
  Pedestal: -326 -2 149 255
  Constant: 0.497503 -0.960877 0.988539 0.484619 1.15764e-06 -0.000686385
Right Arm:
 BPMA:
  Pedestal: 289 -47 242 5
  Constant: 0.673755 -0.819618 0.821392 0.750197 9.88778e-05 -0.000539474
 BPMB:
  Pedestal: -75 324 361 382
  Constant: 0.497959 -0.956856 0.988169 0.487861 -9.26384e-05 -0.000520734

Raster

Record

Raster Shape in BPM Test

result

Documents about BPM