ezmsg.sigproc

Modules

activation	Activation functions (ReLU, sigmoid, logit, etc.) applied element-wise.
adaptive_lattice_notch	Adaptive lattice notch filter for narrow-band interference removal.
affinetransform	Affine transformations via matrix multiplication: y = Ax or y = Ax + B.
aggregate	Aggregation operations over arrays.
asarray	Convert AxisArray data to a target array backend.
bandpower	Spectral band power estimation via windowed FFT and aggregation.
base	Backwards-compatible re-exports from ezmsg.baseproc.
butterworthfilter	Butterworth IIR filter design and application.
butterworthzerophase	Streaming zero-phase Butterworth filter implemented as a two-stage composite processor.
cheby	Chebyshev Type I IIR filter design and application.
combfilter	Comb filter for suppressing a fundamental frequency and its harmonics.
coordinatespaces	Coordinate space transformations for streaming data.
decimate	Decimation (downsample with anti-alias filtering).
denormalize	Denormalize signals by applying random gains and offsets.
detrend	Remove linear or constant trends from data along an axis.
diff	Compute differences along an axis.
downsample	Integer downsampling by selecting every Nth sample along an axis.
ewma	Exponentially weighted moving average (EWMA) utilities and parameter conversion.
ewmfilter	Exponentially weighted moving average filter for streaming normalization.
extract_axis	Extract a named axis from an AxisArray as a standalone array.
fbcca	Filter-bank canonical correlation analysis (FBCCA) for frequency detection.
filter	Core IIR/FIR filtering infrastructure with BA and SOS coefficient support.
filterbank	Parallel filterbank processing with convolution, FFT, or automatic mode selection.
filterbankdesign	Kaiser-window filterbank design with configurable bands and processing mode.
fir_hilbert	FIR Hilbert transform filter for analytic signal and envelope extraction.
fir_pmc	Parks-McClellan (Remez) optimal equiripple FIR filter design and application.
firfilter	FIR filter design and application using scipy.signal.firwin.
gaussiansmoothing	Gaussian kernel smoothing filter.
kaiser	Kaiser window FIR filter design and application.
linear	Apply a linear transformation: output = scale * input + offset.
materialize	Materialize (evaluate) lazy array data.
math
merge	Time-aligned merge of two AxisArray streams along a non-time axis.
messages	Deprecated message types; use ezmsg.util.messages.axisarray.AxisArray instead.
quantize	Quantize signal data to a fixed number of bits.
resample	Resample signals to a target rate using interpolation.
rollingscaler	Rolling z-score normalization using a sliding window of recent samples.
sampler	Triggered windowed sampling from a buffered signal stream.
scaler	Adaptive standard scaling using exponentially weighted moving statistics.
signalinjector	Inject synthetic sinusoidal signals into a data stream.
singlebandpow	Time-domain single-band power estimation.
slicer	Select a subset of data along a named axis using slice notation.
spectral	Backwards-compatible re-exports from spectrum.
spectrogram	Time-frequency spectrogram via windowed short-time Fourier transform.
spectrum	FFT-based power spectrum estimation with configurable window functions.
transpose	Transpose or permute array dimensions.
util
wavelets	Continuous wavelet transform (CWT) for streaming time-frequency analysis.
window	Sliding and tumbling window segmentation of streaming data.