def power_chisq_bins(htilde, num_bins, psd, low_frequency_cutoff=None,
high_frequency_cutoff=None):
"""Returns bins of equal power for use with the chisq functions
Parameters
----------
htilde: FrequencySeries
A frequency series containing the template waveform
num_bins: int
The number of chisq bins to calculate.
psd: FrequencySeries
A frequency series containing the psd. Its length must be commensurate
with the template waveform.
low_frequency_cutoff: {None, float}, optional
The low frequency cutoff to apply
high_frequency_cutoff: {None, float}, optional
The high frequency cutoff to apply
Returns
-------
bins: List of ints
A list of the edges of the chisq bins is returned.
"""
sigma_vec = sigmasq_series(htilde, psd, low_frequency_cutoff,
high_frequency_cutoff).numpy()
kmin, kmax = get_cutoff_indices(low_frequency_cutoff,
high_frequency_cutoff,
htilde.delta_f,
(len(htilde)-1)*2)
return power_chisq_bins_from_sigmasq_series(sigma_vec, num_bins, kmin, kmax)
def power_chisq_bins(htilde,
num_bins,
psd,
low_frequency_cutoff=None,
high_frequency_cutoff=None):
"""Returns bins of equal power for use with the chisq functions
Parameters
----------
htilde: FrequencySeries
A frequency series containing the template waveform
num_bins: int
The number of chisq bins to calculate.
psd: FrequencySeries
A frequency series containing the psd. Its length must be commensurate
with the template waveform.
low_frequency_cutoff: {None, float}, optional
The low frequency cutoff to apply
high_frequency_cutoff: {None, float}, optional
The high frequency cutoff to apply
Returns
-------
bins: List of ints
A list of the edges of the chisq bins is returned.
"""
sigma_vec = sigmasq_series(htilde, psd, low_frequency_cutoff,
high_frequency_cutoff).numpy()
kmin, kmax = get_cutoff_indices(low_frequency_cutoff,
high_frequency_cutoff, htilde.delta_f,
(len(htilde) - 1) * 2)
return power_chisq_bins_from_sigmasq_series(sigma_vec, num_bins, kmin,
kmax)