Tessero\Signal\ShortTimeFFT

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__construct

__construct(array $win, int $hop, float $fs = 1.0, ?int $mfft = null, string $fftMode = 'onesided', ?int $phaseShift = 0)

onesidedFft

onesidedFft(): bool

fPts

fPts(): int

deltaT

deltaT(): float

deltaF

deltaF(): float

f

f(): array

rfftfreq / fftfreq spacing, as a flat list.

pMin

pMin(): int

kMin

kMin(): int

pMax

pMax(int $n): int

kMax

kMax(int $n): int

pNum

pNum(int $n): int

pRange

pRange(int $n, ?int $p0 = null, ?int $p1 = null): array

stft

stft(array $x): array

Short-time Fourier transform of a real 1-D signal.

istft

istft(array $S, int $k0 = 0, ?int $k1 = null): array

Inverse STFT reconstructing the real signal (scipy ShortTimeFFT.istft).

spectrogram

spectrogram(array $x): array

Spectrogram = |stft|^2 (scipy ShortTimeFFT.spectrogram, default).

dualWin

dualWin(): array

Canonical dual window (scipy _calc_dual_canonical_window).