coaxtract package

Submodules

coaxtract.calibration module

class coaxtract.calibration.Calibration(probe, epsilon_load=4 - 0.04j, thickness_load=0.0013, epsilon_open=1 + 0j, air_gap=0, bessel='jax')[source]

Bases: object

apply(Rmeas, freqspan=None)[source]

get_theoretical_reflection(freqs, **kwargs)[source]

reflection(freqs, case, **kwargs)[source]

run(freqs, Rmeasured, **kwargs)[source]

coaxtract.constants module

coaxtract.helpers module

class coaxtract.helpers.Timer[source]

Bases: object

start()[source]: Start a new timer

stop()[source]: Stop the timer, and report the elapsed time

coaxtract.helpers.complex2aphi(z)[source]

coaxtract.helpers.effective_impedance(Z, epsilon, thickness, freq)[source]

coaxtract.helpers.meas2complex(A, phi)[source]

coaxtract.helpers.smooth(data, cutoff=0.05, order=3)[source]

Data smoothing.

Parameters

data (array) – The data to smooth.
cutoff (float) – Filter cutoff frequency (the default is 0.05).
order (int) – Filter order (the default is 3).

Returns

smooth_data – Smoothed data.

Return type

array

coaxtract.helpers.truncate(freqs, min_freq, max_freq, dspl=0)[source]

coaxtract.integ module

From [Zhou2017].

coaxtract.integ.path_integral(integrand, eps, path='complex', alpha=0.5, int_method='trapz', n_int=100, divmax=5)[source]

coaxtract.integ.romberg(f, a, b, divmax=5, err=False)[source]

Romberg integration

INPUTS: f: the function to integrate a: lower bound of integration b: upper bound jnp: number of rows in the Romberg table

coaxtract.integ.romberg_numpy(f, a, b, eps=1.48e-08, divmax=5)[source]

Romberg integration

INPUTS: f: the function to integrate a: lower bound of integration b: upper bound jnp: number of rows in the Romberg table

coaxtract.integ.romberg_vect(N, f, *args, **kwargs)[source]

coaxtract.integ.trapezcomp(f, a, b, n)[source]

Composite trapezoidal function integration

INPUTS: f: the function to integrate a: lower bound of integration b: upper bound n: number of panels to create between a and b

coaxtract.io module

coaxtract.io.load(filename, Nfreq=801, skiprows=8)[source]

Load measurement data.

Parameters

filename (str) – Name of the file to load.

Returns

freqs (array) – Frequencies (in Hz)
amplitude (array) – S11 amplitude (in dB)
phase (array) – S11 phase (in degrees)

coaxtract.opt module

class coaxtract.opt.Extractor(setup, frequencies, Rmeas, scale=True, guess='random', options=None, eps_min=- 1000000000 - 1000000000j, eps_max=1000000000 + 1000000000j, single_layer=False, compile=False, verbose=False, n_int=700, alpha=0.5, model='constant', bounds=None, constraints=False, backend='scipy')[source]