RSEIS (version 4.2-4)

plt.MTM0: Plot MTM structure

Description

Plot MTM structure

Usage

plt.MTM0(frange, prange, plxy, M, freqs, amp, a, dof = dof, Fv = Fv, COL = 2)

Value

Graphical Side Effect

Arguments

frange

frequency range

prange

point range

plxy

log x,y axes

M

structure from MTM

freqs

frequencies

amp

amplitude

a

list(y=original data, dt=deltat)

dof

degrees of freedom

Fv

F-values

COL

color

Author

Jonathan M. Lees<jonathan.lees.edu>

References

Lees, J. M. and Park, J., 1995: Multiple-taper spectral analysis: A stand-alone C-subroutine, Computers and Geology, 21(2), 199-236.

See Also

MTM.drive

Examples

data(CE1)
plot(CE1$x, CE1$y, type='l')

len <- length(CE1$y)
 len2 <- 2*next2(len)
 Mspec <- mtapspec(CE1$y,  CE1$dt, klen=len2, MTP=list(kind=1,nwin=5,
               npi=3,inorm=0)  )


f<-Mspec$freq
M <- 1
 f1 <- 0.01
f2 <- 100
 plxy <- ''
 flag <- f>=f1 & f <= f2;
    freqs <- list(f[flag])
 mydof <- NULL
      myFv <- NULL
 amp <- Mspec$spec[1:length(f)]

      amp <- list(amp[flag])


a <- list(y=CE1$y, dt=CE1$dt)
frange <- range(freqs, na.rm = TRUE)
 prange <- range(amp  , na.rm = TRUE)

###  plot(freqs[[1]], amp[[1]])


 plt.MTM0(frange, prange, plxy, M, freqs, amp, a,
        dof=mydof, Fv=myFv, COL=4)