def test_tdev_ci_and_noiseID(self):
""" ADEV with confidence intervals, including noise-ID """
change_to_test_dir()
s32rows = testutils.read_stable32(
resultfile='stable32_TDEV_octave.txt', datarate=1.0)
for row in s32rows:
phase = testutils.read_datafile('gps_1pps_phase_data.txt.gz')
(taus, devs, errs, ns) = allan.tdev(phase,
rate=rate,
data_type="phase",
taus=[row['tau']])
dev = devs[0]
#print(dev/row['dev'])
assert np.isclose(dev, row['dev'], rtol=1e-2, atol=0)
try:
# CI including noise-ID
(lo2,
hi2) = allan.confidence_interval_noiseID(phase,
dev,
af=int(row['m']),
dev_type="tdev",
data_type="phase")
print(" tau= %f lo/s32_lo = %f hi/s32_hi = %f " %
(row['tau'], lo2 / row['dev_min'], hi2 / row['dev_max']))
assert np.isclose(lo2, row['dev_min'], rtol=1e-2, atol=0)
assert np.isclose(hi2, row['dev_max'], rtol=1e-2, atol=0)
except NotImplementedError:
print("can't do CI for tau= %f" % row['tau'])
pass
def test_phasedat_tdev(self):
s32_rows = testutils.read_stable32( 'phase_dat_tdev_octave.txt' , 1.0 )
phase = testutils.read_datafile('PHASE.DAT')
(taus,devs,errs,ns) = allan.tdev(phase, taus=[s32['tau'] for s32 in s32_rows])
# CI computation
# alhpa= +2,...,-4 noise power
# d= 1 first-difference variance, 2 allan variance, 3 hadamard variance
# alpha+2*d >1
# m = tau/tau0 averaging factor
# N number of phase obs
los=[]
his=[]
for (d,t, n) in zip(devs, taus, ns):
edf2 = allan.edf_greenhall( alpha=0, d=2, m=int(t), N=len(phase), overlapping = True, modified=True )
# covert to mdev
# tdev = taus * mdev / np.sqrt(3.0)
mdev = d/t*np.sqrt(3.0)
(lo,hi) = allan.confidence_interval( dev=mdev, edf=edf2 )
# convert back to tdev
lo = t*lo/np.sqrt(3.0)
hi = t*hi/np.sqrt(3.0)
los.append(lo)
his.append(hi)
print("tdev()")
for (s32, t2, d2, lo2, hi2, n2) in zip(s32_rows, taus, devs, los, his, ns):
print("s32 %03d %03f %1.6f %1.6f %1.6f" % (s32['n'], s32['tau'], s32['dev_min'], s32['dev'], s32['dev_max']))
print("at %03d %03f %1.6f %1.6f %1.6f" % (n2, t2, round(lo2,5), round(d2,5), round(hi2,5) ))
testutils.check_approx_equal(s32['dev_min'], lo2, tolerance=1e-3)
testutils.check_approx_equal(s32['dev_max'], hi2, tolerance=1e-3)
print("----")
def test_phasedat_tdev(self):
s32_rows = testutils.read_stable32('phase_dat_tdev_octave.txt', 1.0)
phase = testutils.read_datafile('PHASE.DAT')
(taus, devs, errs,
ns) = allan.tdev(phase, taus=[s32['tau'] for s32 in s32_rows])
# CI computation
# alhpa= +2,...,-4 noise power
# d= 1 first-difference variance, 2 allan variance, 3 hadamard variance
# alpha+2*d >1
# m = tau/tau0 averaging factor
# N number of phase obs
los = []
his = []
for (d, t, n) in zip(devs, taus, ns):
#edf = greenhall_simple_edf( alpha=0, d=2, m=t, S=1, F=t, N=len(phase) )
edf2 = allan.edf_greenhall(alpha=0,
d=2,
m=int(t),
N=len(phase),
overlapping=True,
modified=True)
# covert to mdev
# taus * md / np.sqrt(3.0)
mdev = d / t * np.sqrt(3.0)
(lo,
hi) = allan.confidence_intervals(dev=mdev,
ci=0.68268949213708585,
edf=edf2) # 0.68268949213708585
# convert back to tdev
lo = t * lo / np.sqrt(3.0)
hi = t * hi / np.sqrt(3.0)
los.append(lo)
his.append(hi)
for (s32, t2, d2, lo2, hi2, n2) in zip(s32_rows, taus, devs, los, his,
ns):
print("s32 %03d %03f %1.6f %1.6f %1.6f" %
(s32['n'], s32['tau'], s32['dev_min'], s32['dev'],
s32['dev_max']))
print("at %03d %03f %1.6f %1.6f %1.6f" %
(n2, t2, round(lo2, 5), round(d2, 5), round(hi2, 5)))
testutils.check_approx_equal(s32['dev_min'], lo2, tolerance=1e-3)
testutils.check_approx_equal(s32['dev_max'], hi2, tolerance=1e-3)
print("----")
def test_tdev_ci(self):
""" Time Deviation with confidence intervals """
s32rows = testutils.read_stable32(resultfile='tdev_octave.txt', datarate=1.0)
for row in s32rows:
data = testutils.read_datafile(data_file)
data = allan.frequency2fractional(data, mean_frequency=1.0e7)
(taus, devs, errs, ns) = allan.tdev(data, rate=rate, data_type="freq",
taus=[ row['tau'] ])
# NOTE! Here we use alhpa from Stable32-results for the allantools edf computation!
edf = allan.edf_greenhall(alpha=row['alpha'],d=2,m=row['m'],N=len(data),overlapping=True, modified = True, verbose=True)
(lo,hi) =allan.confidence_interval(devs[0], edf=edf)
print("n check: ", testutils.check_equal( ns[0], row['n'] ) )
print("dev check: ", devs[0], row['dev'], testutils.check_approx_equal( devs[0], row['dev'], tolerance=2e-3 ) )
print("min dev check: ", lo, row['dev_min'], testutils.check_approx_equal( lo, row['dev_min'], tolerance=2e-3 ) )
print("max dev check: ", hi, row['dev_max'], testutils.check_approx_equal( hi, row['dev_max'], tolerance=2e-3 ) )
def test_tdev_ci_and_noiseID(self):
""" ADEV with confidence intervals, including noise-ID """
change_to_test_dir()
s32rows = testutils.read_stable32(resultfile='stable32_TDEV_octave.txt', datarate=1.0)
for row in s32rows:
phase = testutils.read_datafile('gps_1pps_phase_data.txt.gz')
(taus, devs, errs, ns) = allan.tdev(phase, rate=rate, data_type="phase",
taus=[row['tau']])
dev = devs[0]
#print(dev/row['dev'])
assert np.isclose(dev, row['dev'], rtol=1e-2, atol=0)
try:
# CI including noise-ID
(lo2, hi2) = allan.confidence_interval_noiseID(phase, dev, af=int(row['m']), dev_type="tdev", data_type="phase")
print(" tau= %f lo/s32_lo = %f hi/s32_hi = %f "% (row['tau'], lo2/row['dev_min'], hi2/row['dev_max']))
assert np.isclose(lo2, row['dev_min'], rtol=1e-2, atol=0)
assert np.isclose(hi2, row['dev_max'], rtol=1e-2, atol=0)
except NotImplementedError:
print("can't do CI for tau= %f"%row['tau'])
pass
def nbs14_test():
taus = [1, 2]
devs = []
tol = 1e-4
# first tests that call the _phase functions
print "nbs14 tests for phase data:"
(taus2,adevs2,aerrs2,ns2) = allan.adev_phase( nbs14_phase, 1.0, taus)
adevs = nbs14_devs[0]
assert( check_devs( adevs2[0], adevs[0] ) )
assert( check_devs( adevs2[1], adevs[1] ) )
print "nbs14 adev OK"
(taus2,adevs2,aerrs2,ns2) = allan.oadev_phase( nbs14_phase, 1.0, taus)
oadevs = nbs14_devs[1]
assert( check_devs( adevs2[0], oadevs[0] ) )
assert( check_devs( adevs2[1], oadevs[1] ) )
print "nbs14 oadev OK"
(taus2,adevs2,aerrs2,ns2) = allan.mdev_phase( nbs14_phase, 1.0, taus)
mdevs = nbs14_devs[2]
assert( check_devs( adevs2[0], mdevs[0] ) )
assert( check_devs( adevs2[1], mdevs[1] ) )
print "nbs14 mdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.totdev_phase( nbs14_phase, 1.0, taus)
totdevs = nbs14_devs[3]
assert( check_devs( adevs2[0], totdevs[0] ) )
assert( check_devs( adevs2[1], totdevs[1] ) )
print "nbs14 totdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.hdev_phase( nbs14_phase, 1.0, taus)
hdevs = nbs14_devs[4]
assert( check_devs( adevs2[0], hdevs[0] ) )
assert( check_devs( adevs2[1], hdevs[1] ) )
print "nbs14 hdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.tdev_phase( nbs14_phase, 1.0, taus)
tdevs = nbs14_devs[5]
assert( check_devs( adevs2[0], tdevs[0] ) )
assert( check_devs( adevs2[1], tdevs[1] ) )
print "nbs14 tdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.ohdev_phase( nbs14_phase, 1.0, taus)
ohdevs = nbs14_devs[6]
assert( check_devs( adevs2[0], ohdevs[0] ) )
assert( check_devs( adevs2[1], ohdevs[1] ) )
print "nbs14 ohdev OK"
# then the same tests for frequency data
print "nbs14 tests for frequency data:"
f_fract = [ float(f) for f in nbs14_f]
(taus2,adevs2,aerrs2,ns2) = allan.adev( f_fract, 1.0, taus)
adevs = nbs14_devs[0]
assert( check_devs( adevs2[0], adevs[0] ) )
assert( check_devs( adevs2[1], adevs[1] ) )
print "nbs14 freqdata adev OK"
(taus2,adevs2,aerrs2,ns2) = allan.oadev( f_fract, 1.0, taus)
oadevs = nbs14_devs[1]
assert( check_devs( adevs2[0], oadevs[0] ) )
assert( check_devs( adevs2[1], oadevs[1] ) )
print "nbs14 freqdata oadev OK"
(taus2,adevs2,aerrs2,ns2) = allan.mdev( f_fract, 1.0, taus)
mdevs = nbs14_devs[2]
assert( check_devs( adevs2[0], mdevs[0] ) )
assert( check_devs( adevs2[1], mdevs[1] ) )
print "nbs14 freqdata mdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.totdev( f_fract, 1.0, taus)
totdevs = nbs14_devs[3]
assert( check_devs( adevs2[0], totdevs[0] ) )
assert( check_devs( adevs2[1], totdevs[1] ) )
print "nbs14 freqdata totdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.hdev( f_fract, 1.0, taus)
hdevs = nbs14_devs[4]
assert( check_devs( adevs2[0], hdevs[0] ) )
assert( check_devs( adevs2[1], hdevs[1] ) )
print "nbs14 freqdata hdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.tdev( f_fract, 1.0, taus)
tdevs = nbs14_devs[5]
assert( check_devs( adevs2[0], tdevs[0] ) )
assert( check_devs( adevs2[1], tdevs[1] ) )
print "nbs14 freqdata tdev OK"
(taus2,adevs2,aerrs2,ns2) = allan.ohdev( f_fract, 1.0, taus)
ohdevs = nbs14_devs[6]
assert( check_devs( adevs2[0], ohdevs[0] ) )
assert( check_devs( adevs2[1], ohdevs[1] ) )
print "nbs14 freqdata ohdev OK"
print "nbs14 all test OK"
""" ########################## # test stable32plot.py # ########################## """ import allantools from pylab import figure, show, plot from stable32plot import sigmaplot, dataplot #import 2 functions: sigmaplot,dataplot """#------------generate random data and cal adev-----------------""" x1 = allantools.noise.white(1000) (taus, adevs, errors, ns) = allantools.adev(x1) (taust, adevst, errorst, nst) = allantools.tdev(x1) (tauso, adevso, errorso, nso) = allantools.oadev(x1) x2 = allantools.noise.white(1000, 0.6) (taus2, adevs2, errors2, ns2) = allantools.oadev(x2) x3 = allantools.noise.white(1000, 0.5) (taus3, adevs3, errors3, ns3) = allantools.oadev(x3) x4 = allantools.noise.white(1000, 0.4) (taus4, adevs4, errors4, ns4) = allantools.oadev(x4) x5 = allantools.noise.white(1000, 0.3) (taus5, adevs5, errors5, ns5) = allantools.oadev(x5) x6 = allantools.noise.white(1000, 0.2) (taus6, adevs6, errors6, ns6) = allantools.oadev(x6)
(mdev_taus, mdev_devs, mdev_errs, ns) = allan.mdev(phase=phase,
rate=rate,
taus=my_taus)
(totdev_taus, totdev_devs, totdev_errs, ns) = allan.totdev(phase=phase,
rate=rate,
taus=my_taus)
(tie_taus, tie_devs, tie_errs, ns) = allan.tierms(phase=phase,
rate=rate,
taus=my_taus)
#(mtie_taus,mtie_devs,mtie_errs,ns) = allan.mtie(phase=phase, rate=rate, taus=my_taus)
(tdev_taus, tdev_devs, tdev_errs, ns) = allan.tdev(phase=phase,
rate=rate,
taus=my_taus)
(tdev2_taus, tdev2_devs, tdev2_errs,
ns2) = allan.tdev(frequency=allan.phase2frequency(phase, 1.0),
rate=rate,
taus=my_taus)
plt.subplot(111, xscale="log", yscale="log")
plt.errorbar(adev_taus, adev_devs, yerr=adev_errs, label='ADEV')
plt.errorbar(oadev_taus, oadev_devs, yerr=oadev_errs, label='OADEV')
plt.errorbar(mdev_taus, mdev_devs, yerr=mdev_errs, label='MDEV')
plt.errorbar(hdev_taus, hdev_devs, yerr=hdev_errs, label='HDEV')
plt.errorbar(ohdev_taus, ohdev_devs, yerr=ohdev_errs, label='OHDEV')
plt.errorbar(tdev_taus, tdev_devs, yerr=tdev_errs, label='TDEV(phase)')
plt.errorbar(tdev2_taus, tdev2_devs, yerr=tdev2_errs, label='TDEV(frequency)')
(mdev_taus, mdev_devs, mdev_errs, ns) = allan.mdev(phase,
rate=rate,
taus=my_taus)
(totdev_taus, totdev_devs, totdev_errs, ns) = allan.totdev(phase,
rate=rate,
taus=my_taus)
(tie_taus, tie_devs, tie_errs, ns) = allan.tierms(phase,
rate=rate,
taus=my_taus)
#(mtie_taus,mtie_devs,mtie_errs,ns) = allan.mtie(phase=phase, rate=rate, taus=my_taus)
(tdev_taus, tdev_devs, tdev_errs, ns) = allan.tdev(phase,
rate=rate,
taus=my_taus)
(tdev2_taus, tdev2_devs, tdev2_errs,
ns2) = allan.tdev(allan.phase2frequency(phase, 1.0),
data_type='freq',
rate=rate,
taus=my_taus)
plt.subplot(111, xscale="log", yscale="log")
plt.errorbar(adev_taus, adev_devs, yerr=adev_errs, label='ADEV')
plt.errorbar(oadev_taus, oadev_devs, yerr=oadev_errs, label='OADEV')
plt.errorbar(mdev_taus, mdev_devs, yerr=mdev_errs, label='MDEV')
plt.errorbar(hdev_taus, hdev_devs, yerr=hdev_errs, label='HDEV')
plt.errorbar(ohdev_taus, ohdev_devs, yerr=ohdev_errs, label='OHDEV')
plt.errorbar(tdev_taus, tdev_devs, yerr=tdev_errs, label='TDEV(phase)')
(adev_taus,adev_devs,adev_errs,ns) = allan.adev(phase=phase, rate=rate, taus=my_taus) (oadev_taus,oadev_devs,oadev_errs,ns) = allan.oadev(phase=phase, rate=rate, taus=my_taus) (hdev_taus,hdev_devs,hdev_errs,ns) = allan.hdev(phase=phase, rate=rate, taus=my_taus) (ohdev_taus,ohdev_devs,ohdev_errs,ns) = allan.ohdev(phase=phase, rate=rate, taus=my_taus) (mdev_taus,mdev_devs,mdev_errs,ns) = allan.mdev(phase=phase, rate=rate, taus=my_taus) (totdev_taus,totdev_devs,totdev_errs,ns) = allan.totdev(phase=phase, rate=rate, taus=my_taus) (tie_taus,tie_devs,tie_errs,ns) = allan.tierms(phase=phase, rate=rate, taus=my_taus) #(mtie_taus,mtie_devs,mtie_errs,ns) = allan.mtie(phase=phase, rate=rate, taus=my_taus) (tdev_taus,tdev_devs,tdev_errs,ns) = allan.tdev(phase=phase, rate=rate, taus=my_taus) (tdev2_taus,tdev2_devs,tdev2_errs,ns2) = allan.tdev(frequency=allan.phase2frequency(phase,1.0), rate=rate, taus=my_taus) plt.subplot(111, xscale="log", yscale="log") plt.errorbar(adev_taus, adev_devs, yerr=adev_errs, label='ADEV') plt.errorbar(oadev_taus, oadev_devs, yerr=oadev_errs, label='OADEV') plt.errorbar(mdev_taus, mdev_devs, yerr=mdev_errs, label='MDEV') plt.errorbar(hdev_taus, hdev_devs, yerr=hdev_errs, label='HDEV') plt.errorbar(ohdev_taus, ohdev_devs, yerr=ohdev_errs, label='OHDEV') plt.errorbar(tdev_taus, tdev_devs, yerr=tdev_errs, label='TDEV(phase)') plt.errorbar(tdev2_taus, tdev2_devs, yerr=tdev2_errs, label='TDEV(frequency)') plt.errorbar(totdev_taus, totdev_devs, yerr=totdev_errs, label='TOTDEV') plt.errorbar(tie_taus, tie_devs, yerr=tie_errs, label='TIERMS')
""" ########################## # test stable32plot.py # ########################## """ import allantools from pylab import figure,show,plot from stable32plot import sigmaplot,dataplot#import 2 functions: sigmaplot,dataplot """#------------generate random data and cal adev-----------------""" x1 = allantools.noise.white(1000) (taus, adevs, errors, ns) = allantools.adev(x1) (taust, adevst, errorst, nst) = allantools.tdev(x1) (tauso, adevso, errorso, nso) = allantools.oadev(x1) x2=allantools.noise.white(1000,0.6) (taus2,adevs2,errors2,ns2)=allantools.oadev(x2) x3=allantools.noise.white(1000,0.5) (taus3,adevs3,errors3,ns3)=allantools.oadev(x3) x4=allantools.noise.white(1000,0.4) (taus4,adevs4,errors4,ns4)=allantools.oadev(x4) x5=allantools.noise.white(1000,0.3) (taus5,adevs5,errors5,ns5)=allantools.oadev(x5) x6=allantools.noise.white(1000,0.2)
