示例#1
0
        subdelays2 = psr_utils.delay_from_DM(fold_pfd.bestdm, sumsubfreqs) - \
                psr_utils.delay_from_DM(fold_pfd.bestdm, sumsubfreqs_hi)

    else:
        fold_pfd.subfreqs = Num.asarray([0.0])
        sumsubfreqs = Num.asarray([0.0])
        sumsubdelays = Num.asarray([0.0])
        subdelays2 = Num.asarray([0.0])
        sumsubdelays_phs = Num.asarray([0.0])

    # Read the template profile
    if templatefilenm is not None:
        template = psr_utils.read_profile(templatefilenm, normalize=1)
    else:
        if (gaussfitfile):
            template = psr_utils.read_gaussfitfile(gaussfitfile, fold_pfd.proflen)
        else:
            template = psr_utils.gaussian_profile(fold_pfd.proflen, 0.0, gaussianwidth)
        template = template / max(template)
    #from Pgplot import *
    #plotxy(template)
    #closeplot()
    # Determine the Telescope used
    if (not fold.topo):
        obs = '@'  # Solarsystem Barycenter
    else:
        try: 
            if t2format:
                obs = scopes2[fold_pfd.telescope.split()[0]]
            else:
                obs = scopes[fold_pfd.telescope.split()[0]]
示例#2
0
        if o in ("-s", "--sefd"):
            SEFD = float(a)

    print("Creating a summed profile of length %d bins using DM = %f" %
          (numbins, DM))

    # Read the template profile or create an appropriate Gaussian
    if templatefilenm is not None:
        template = psr_utils.read_profile(templatefilenm)
        # Resample the template profile to have the correct number of bins (if required)
        if not len(template) == numbins:
            oldlen = len(template)
            template = sinc_interp.periodic_interp(template, numbins)[::oldlen]
    else:
        if gaussfitfile is not None:
            template = psr_utils.read_gaussfitfile(gaussfitfile, numbins)
        else:
            template = psr_utils.gaussian_profile(numbins, 0.0, gaussianwidth)
    # Normalize it
    template -= min(template)
    template /= max(template)
    # Rotate it so that it becomes a "true" template according to FFTFIT
    shift, eshift, snr, esnr, b, errb, ngood = measure_phase(
        template, template)
    template = psr_utils.fft_rotate(template, shift)

    # Determine the off-pulse bins
    if bkgd_vals is not None:
        Pgplot.plotxy(template, labx="Phase bins")
        Pgplot.plotxy(template[bkgd_vals],
                      Num.arange(numbins)[bkgd_vals],