Exemple #1
0
infopaths = {'SI': './redundantinfo_PSA32.txt'}
oppath = './lst_v006_I_results/'
calparpath = './lst_v007_results/'

removedegen = 1

needrawcal = False  #if true, (generally true for raw data) you need to take care of having raw calibration parameters in float32 binary format freq x nant
rawpaths = {'xx': "testrawphasecalparrad_xx", 'yy': "testrawphasecalparrad_yy"}

keep_binary_data = False
########Massage user parameters################
oppath += '/'

####read redundant info################
info = [omni.read_redundantinfo(infopaths[key]) for key in wantpols.keys()]
#print info[0]['bl1dmatrix']
#exit(1)

####get some info from the first uvfile   ################
uv = ap.miriad.UV(uvfiles[0])
nfreq = uv.nchan
nant = uv['nants'] / 2  # 'nants' counting ant-pols, so divide 2
startfreq = uv['sfreq']
dfreq = uv['sdf']
del (uv)

###read raw phase calibration prameters over frequencyfor each antenna, 203 by 32 in radiants; this part can be replaced################
if needrawcal:
    rawcalpar = np.asarray([
        np.fromfile(rawpaths[key], dtype="complex64").reshape(nfreq, nant)
Exemple #2
0
import struct
import numpy as np
import os, sys
import datetime
from optparse import OptionParser
import warnings
with warnings.catch_warnings():
    warnings.filterwarnings("ignore", category=DeprecationWarning)
    import scipy as sp
    import scipy.sparse as sps
    import scipy.linalg as la

import calibration_omni as omni

correctinfo = omni.read_redundantinfo(
    '/home/ericy/omnical/redundant_info/redundantinfo_badant2_4_5_6_8_9_10badubl1_2_3_5_8_9.txt'
)
calibrator = omni.RedundantCalibrator(32)

calibrator.antennaLocationTolerance = .1
calibrator.badAntenna = [1, 3, 4, 5, 7, 8, 9]
calibrator.badUBL = [0, 1, 2, 4, 7, 8]

antlist = [[-1.82119623e-02, -1.17231687e-02, -1.65467362e-02],
           [3.98503466e+00, 9.63369375e-03, 2.37189551e-02],
           [7.98828128e+00, 3.09905563e-02, 6.39846464e-02],
           [1.19915279e+01, 5.23474188e-02, 1.04250338e-01],
           [-5.14142894e-01, 1.20011739e+02, 3.95129958e-02],
           [3.48910373e+00, 1.20033096e+02, 7.97786871e-02],
           [7.49235035e+00, 1.20054452e+02, 1.20044378e-01],
           [1.14955970e+01, 1.20075809e+02, 1.60310070e-01],
    #calibrator.write_redundantinfo(infoPath = oppath + 'redundantinfo_' + ano + '_' + key + '.txt', overwrite = True)
    #calibrator.read_redundantinfo(infopaths[p])
    calibrator.dataPath = oppath + 'data_' + ano + '_' + key
    calibrator.tmpDataPath = calibrator.dataPath
    if removeadditive:
        calibrator.calparPath = oppath + 'data_' + ano + '_' + key + '_add' + str(
            removeadditiveperiod) + '.omnical'
    else:
        calibrator.calparPath = oppath + 'data_' + ano + '_' + key + '.omnical'

calparfilenames = [calibrator.calparPath for calibrator in calibrators]
additivefilenames = [
    calibrator.dataPath + '.omniadd%d' % removeadditiveperiod
    for calibrator in calibrators
]
info = omni.read_redundantinfo('results/redundantinfo_PSA64_ba19_37_50.txt')
info = [info, info]

####make uv################
print FILENAME + " MSG: starting uv creation."
print calparfilenames
print additivefilenames
omni.apply_omnical_uvs(uvfiles,
                       calparfilenames,
                       calibrators[0].totalVisibilityId,
                       info,
                       wantpols,
                       opuvpath,
                       '',
                       additivefilenames=additivefilenames,
                       nTotalAntenna=None,
#calibrators = [omni.RedundantCalibrator(nant, info = infopaths[key]) for key in wantpols.keys()]
calibrators = [RedundantCalibrator_PAPER(aa) for key in wantpols.keys()]
for calibrator, key in zip(calibrators, wantpols.keys()):
	#calibrator.compute_redundantinfo(badAntenna = badAntenna, badUBL = badUBL, antennaLocationTolerance = 1)
	#calibrator.write_redundantinfo(infoPath = oppath + 'redundantinfo_' + ano + '_' + key + '.txt', overwrite = True)
	#calibrator.read_redundantinfo(infopaths[p])
	calibrator.dataPath = oppath + 'data_' + ano + '_' + key
	calibrator.tmpDataPath = calibrator.dataPath
	if removeadditive:
		calibrator.calparPath = oppath + 'data_' + ano + '_' + key + '_add' + str(removeadditiveperiod) + '.omnical'
	else:
		calibrator.calparPath = oppath + 'data_' + ano + '_' + key + '.omnical'





calparfilenames = [calibrator.calparPath for calibrator in calibrators]
additivefilenames = [calibrator.dataPath + '.omniadd%d'%removeadditiveperiod for calibrator in calibrators]
info = omni.read_redundantinfo('results/redundantinfo_PSA64_ba19_37_50.txt')
info = [info, info]



####make uv################
print FILENAME + " MSG: starting uv creation."
print calparfilenames
print additivefilenames
omni.apply_omnical_uvs(uvfiles, calparfilenames, calibrators[0].totalVisibilityId, info, wantpols, opuvpath, '', additivefilenames = additivefilenames, nTotalAntenna = None, overwrite = False)

Exemple #5
0
import aipy as ap
import struct
import numpy as np
import os, sys
import datetime
from optparse import OptionParser
import warnings
with warnings.catch_warnings():
    warnings.filterwarnings("ignore",category=DeprecationWarning)
    import scipy as sp
    import scipy.sparse as sps
    import scipy.linalg as la
    
import calibration_omni as omni

correctinfo = omni.read_redundantinfo('/home/ericy/omnical/redundant_info/redundantinfo_badant2_4_5_6_8_9_10badubl1_2_3_5_8_9.txt')
calibrator = omni.RedundantCalibrator(32)

calibrator.antennaLocationTolerance = .1
calibrator.badAntenna = [1,3,4,5,7,8,9]
calibrator.badUBL = [0, 1, 2,4,7,8]

antlist=[[ -1.82119623e-02,  -1.17231687e-02 , -1.65467362e-02],
 [  3.98503466e+00,   9.63369375e-03 ,  2.37189551e-02],
 [  7.98828128e+00,   3.09905563e-02 ,  6.39846464e-02],
 [  1.19915279e+01,   5.23474188e-02,   1.04250338e-01],
 [ -5.14142894e-01,   1.20011739e+02,   3.95129958e-02],
 [  3.48910373e+00,   1.20033096e+02,   7.97786871e-02],
 [  7.49235035e+00,   1.20054452e+02,   1.20044378e-01],
 [  1.14955970e+01,   1.20075809e+02,   1.60310070e-01],
 [ -2.66177428e-01,   6.00000077e+01,   1.14831298e-02],
Exemple #6
0
infopaths = {'SI':'./redundantinfo_PSA32.txt'}
oppath = './lst_v006_I_results/'
calparpath = './lst_v007_results/'

removedegen = 1

needrawcal = False #if true, (generally true for raw data) you need to take care of having raw calibration parameters in float32 binary format freq x nant
rawpaths = {'xx':"testrawphasecalparrad_xx", 'yy':"testrawphasecalparrad_yy"}

keep_binary_data = False
########Massage user parameters################
oppath += '/' 

####read redundant info################
info = [omni.read_redundantinfo(infopaths[key]) for key in wantpols.keys()]
#print info[0]['bl1dmatrix']
#exit(1)

####get some info from the first uvfile   ################
uv=ap.miriad.UV(uvfiles[0])
nfreq = uv.nchan;
nant = uv['nants'] / 2 # 'nants' counting ant-pols, so divide 2
startfreq = uv['sfreq']
dfreq = uv['sdf']
del(uv)

###read raw phase calibration prameters over frequencyfor each antenna, 203 by 32 in radiants; this part can be replaced################
if needrawcal:
	rawcalpar = np.asarray([np.fromfile(rawpaths[key], dtype="complex64").reshape(nfreq, nant) for key in wantpols.keys()])
	rawcorrection = np.zeros((len(wantpols), nfreq, nant*(nant+1)/2), dtype='complex64') + 1#to be dividing the data;  data/calpar = model