Features

Acoustic Emission

peak_amplitude(data)

Compute maximum absolute amplitude.

peak_amplitude_index(data)

Compute index of peak amplitude.

is_above_threshold(data, threshold)

Checks if absolute amplitudes are above threshold.

first_threshold_crossing(data, threshold)

Compute index of first threshold crossing.

rise_time(data, threshold, samplerate[, ...])

Compute the rise time.

energy(data, samplerate)

Compute the energy of a hit.

signal_strength(data, samplerate)

Compute the signal strength of a hit.

counts(data, threshold)

Compute the number of positive threshold crossings of a hit (counts).

rms(data)

Compute the root mean square (RMS) of an array.

Conversion

amplitude_to_db(amplitude[, reference])

Convert amplitude from volts to decibel (dB).

db_to_amplitude(amplitude_db[, reference])

Convert amplitude from decibel (dB) to volts.