DECIMATE.SEISN: Decimate a set of traces

In RSEIS: Seismic Time Series Analysis Tools

Decimate a set of traces

Description

Decimate, or reduce the sample rate of a set of traces stored in RSEIS format

Usage

DECIMATE.SEISN(TH, sel=1:length(TH$JSTR), dec=5 ,
 type="LP", proto="BU" , fl=2,  fh=10, RM=FALSE, zp=TRUE )

Arguments

TH	RSEIS list
sel	numeric, which traces to select
dec	numeric, number of samples to skip
type	type of filter (see butfilt)
proto	filter proto type
fl	low pass frequency cut off
fh	high pass frequency cut off
RM	Remove mean value from trace, default=FALSE
zp	zero phase filter, default=TRUE

Details

Reduces the number of samples by skipping every "dec" sample. A filter is applied prior to decimation.

Value

an RSEIS list.

Note

The dt, n and t2 are modified in info.

Author(s)

Jonathan M. Lees<[e-mail]>

See Also

butfilt

RSEIS documentation built on Aug. 19, 2023, 5:07 p.m.