DECIMATE.SEISN {RSEIS}

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