Beispiel #1
0
def load_data(data_path,pars_path,n_samples):
    """
    Loads txt files into a numpy array called data.
    """
    # load xml file containing all waveform parameters
    for _,xml_filename in enumerate(glob.iglob('%s/*.xml' % pars_path)):
        print("Loading xml file: {}".format(xml_filename))
        data_pars = np.array([])
        mdcset = mdctools.MDCSet(['H1'])
        mdcset.load_xml(xml_filename) 

        # load each waveform txt time series file
        for counter,filename in enumerate(glob.iglob('%s/*.txt' % data_path)):
            print("Loading waveform #{}".format(counter))
            offset = int(np.random.uniform(-100,100)) # vary position of waveform
            if counter == 0:
                data = np.loadtxt(filename)
                data = resample(data, 512)
                data /= np.max(data)
                data = np.roll(data,offset)

                # store parameters in array
                data_pars = np.array([(512/2)+offset,mdcset.waveforms[counter].frequency])

                # plot first waveform in training set
                plt.close()
                #plt.plot(data)
                #plt.savefig('/home/hunter.gabbard/public_html/Burst/sine-gaussian_runs/resampled_waveform.png')
                #plt.close()
            elif counter == n_samples:
                break
            else:
                data_new = np.loadtxt(filename)
                data_new = resample(data_new, 512)
                data_new /= np.max(data_new)
                data_new = np.roll(data_new,offset)
                # plot next waveform in training set
                #plt.plot(data_new)
                #plt.savefig('/home/hunter.gabbard/public_html/Burst/sine-gaussian_runs/resampled_waveform.png')
                data = np.vstack((data,data_new))

                # store waveforms parameters in array
                data_pars = np.vstack((data_pars, [(512/2)+offset,mdcset.waveforms[counter].frequency]))

                

    return data, data_pars
Beispiel #2
0
from minke import mdctools, distribution, sources

mdcset = mdctools.MDCSet(['L1', 'H1'])

times = distribution.uniform_time(1126620016, 1136995216, number=1000)

hrss_values = distribution.log_uniform(5e-23, 1e-20, len(times))

wnb = sources.WhiteNoiseBurst(duration=0.1,
                              bandwidth=10,
                              frequency=1000,
                              hrss=1e-23,
                              time=1126630000,
                              seed=3)

mdcset + wnb

for hrss, time in zip(hrss_values, times):
    wnb = sources.WhiteNoiseBurst(duration=0.1,
                                  bandwidth=10,
                                  frequency=1000,
                                  hrss=hrss,
                                  time=time,
                                  seed=3)
    mdcset + wnb
mdcset.save_xml('wnb1000b10tau0d1.xml.gz')
Beispiel #3
0
from minke import mdctools, distribution, sources
from random import randint

mdcset = mdctools.MDCSet(['H1'])

times = distribution.uniform_time(1126620016, 1136995216, number=1000)

hrss_values = distribution.log_uniform(1e-23, 1e-23, len(times))

sineGauss = sources.SineGaussian(q=15,
                                 frequency=100,
                                 polarisation='linear',
                                 hrss=1e-23,
                                 time=1126630000,
                                 seed=3)

mdcset + sineGauss

for hrss, time in zip(hrss_values, times):
    sineGauss = sources.SineGaussian(q=15,
                                     frequency=randint(100, 200),
                                     polarisation='linear',
                                     hrss=hrss,
                                     time=time,
                                     seed=3)
    mdcset + sineGauss
mdcset.save_xml('sineGauss100b10tau0d1.xml.gz')