taper

src/taper.js

Applies a time domain taper of the given type.

taper(seis: Seismogram, width: number, taperType: string): Seismogram

Parameters

seis (Seismogram) Seismogram to taper

width (number = 0.05) width as a fraction of seismogram length, default is 0.05

taperType (string = HANNING) taper type, default is HANNING, others are HAMMING and COSINE

Returns

Seismogram: copy of seismogram with taper applied.

getCoefficients

src/taper.js

Calculates the coefficients for tapering, [omega, f0, f1]

getCoefficients(type: string, length: number): Array<number>

Parameters

type (string) HANNING, HAMMING or COSINE

length (number) number of data points

Returns

Array<number>: tapering coefficients as an array of length 3

HANNING

src/taper.js

HANNING

Type: string

HAMMING

src/taper.js

HAMMING

Type: string

COSINE

src/taper.js

COSINE

Type: string