def main(): datestr = get_datestr() logfn = 'autosweepslowchirp_%s.txt'%datestr logfile = open(logfn,'w') for power in powers: for txgain in txgains: datestr = get_datestr() temp = adr.get_temp() logentry = 'acquire %s %f %f %f %f %f'%(datestr,temp,txgain,power,delta_power,chop_freq) acquireboth(datestr,power,txgain) print logentry print>>logfile,logentry logfile.flush()
def main():
datestr = get_datestr()
logfn = 'autosweepslowchirp_%s.txt' % datestr
logfile = open(logfn, 'w')
for vdc in vdcs:
for txgain in txgains:
datestr = get_datestr()
acquireboth(datestr, vdc, txgain)
temp = adr.get_temp()
logentry = 'acquire %s %f %f %f' % (datestr, temp, txgain, vdc)
print logentry
print >> logfile, logentry
logfile.flush()
datestr = now.strftime('%Y%m%d_%H%M%S')
return datestr
datestr = get_datestr()
logfn = datestr + '_log.txt'
logf = open(logfn, 'w')
# Record variance in timestream with time and temperature of cold stage
# Slowly change the cold stage temperature to measure the cold amp noise temp
usrp = uhd.usrp.MultiUSRP("type=x300,addr=192.168.40.2")
while True:
t = time.time()
temp = adr.get_temp()
z = usrp.recv_num_samps(nt, freq, rate, channels, gain)[0]
z = z[nt / 2:]
z *= 32767
fs, psd = signal.welch(z, fs=rate * 1e-6, nperseg=1024, detrend='linear')
fs = np.fft.fftshift(fs)
psd = np.fft.fftshift(psd)
ok = (fmin < np.abs(fs)) & (np.abs(fs) < fmax)
meanpsd = np.sum(psd * ok)
print t, temp, meanpsd
print >> logf, t, temp, meanpsd
logf.flush()
sys.stdout.flush()
time.sleep(10.)