Learn R Programming

Rwave (version 2.6-5)

Time-Frequency Analysis of 1-D Signals

Description

A set of R functions which provide an environment for the Time-Frequency analysis of 1-D signals (and especially for the wavelet and Gabor transforms of noisy signals). It was originally written for Splus by Rene Carmona, Bruno Torresani, and Wen L. Hwang, first at the University of California at Irvine and then at Princeton University. Credit should also be given to Andrea Wang whose functions on the dyadic wavelet transform are included. Rwave is based on the book: "Practical Time-Frequency Analysis: Gabor and Wavelet Transforms with an Implementation in S", by Rene Carmona, Wen L. Hwang and Bruno Torresani (1998, eBook ISBN:978008053942), Academic Press.

Copy Link

Version

Install

install.packages('Rwave')

Monthly Downloads

1,217

Version

2.6-5

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

October 21st, 2022

Functions in Rwave (2.6-5)

A0

Transient Signal
HeartRate

Pixel from Amber Camara
SVD

Singular Value Decomposition
W_tilda.4

Pixel from Amber Camara
W_tilda.1

Pixel from Amber Camara
W_tilda.2

Pixel from Amber Camara
YN

Logarithms of the Prices of Japanese Yen
W_tilda.3

Pixel from Amber Camara
YNdiff

Daily differences of Japanese Yen
W_tilda.5

Pixel from Amber Camara
A4

Transient Signal
W_tilda.8

Pixel from Amber Camara
W_tilda.9

Pixel from Amber Camara
Ekg

Heart Rate Data
W_tilda.6

Pixel from Amber Camara
back1.220

Acoustic Returns
B4

Transient Signal
B0

Transient Signal
W_tilda.7

Pixel from Amber Camara
back1.000

Acoustic Returns
backscatter.1.000

Pixel from Amber Camara
adjust.length

Zero Padding
amber7

Pixel from Amber Camara
amber8

Pixel from Amber Camara
backscatter.1.180

Pixel from Amber Camara
backscatter.1.220

Pixel from Amber Camara
back1.180

Acoustic Returns
C0

Transient Signal
cwtp

Continuous Wavelet Transform with Phase Derivative
cwtimage

Continuous Wavelet Transform Display
amber9

Pixel from Amber Camara
ch

Chen's Chirp
cfamily

Ridge Chaining Procedure
crc

Ridge Extraction by Crazy Climbers
check.maxresoln

Verify Maximum Resolution
cgt

Continuous Gabor Transform
crfview

Display chained ridges
C4

Transient Signal
D4

Transient Signal
cwt

Continuous Wavelet Transform
corona

Ridge Estimation by Corona Method
click

Dolphin Click Data
coronoid

Ridge Estimation by Modified Corona Method
cwtsquiz

Squeezed Continuous Wavelet Transform
cwtpolar

Conversion to Polar Coordinates
cwtTh

Cauchy's wavelet transform
chirpm5db.dat

Pixel from Amber Camara
cleanph

Threshold Phase based on Modulus
fastgkernel

Kernel for Reconstruction from Gabor Ridges
click.asc

Pixel from Amber Camara
crcrec

Crazy Climbers Reconstruction by Penalization
dwinverse

Inverse Dyadic Wavelet Transform
hurst.est

Estimate Hurst Exponent
fastkernel

Kernel for Reconstruction from Wavelet Ridges
gkernel

Kernel for Reconstruction from Gabor Ridges
gregrec

Reconstruction from a Ridge
epl

Plot Dyadic Wavelet Transform Extrema
ext

Extrema of Dyadic Wavelet Transform
icm

Ridge Estimation by ICM Method
gridrec

Reconstruction from a Ridge
gabor

Generate Gabor function
pixel_8.8

Pixel from Amber Camara
morlet

Morlet Wavelets
gcrcrec

Crazy Climbers Reconstruction by Penalization
pixel_8.7

Pixel from Amber Camara
mbtrim

Trim Dyadic Wavelet Transform Extrema
gsampleOne

Sampled Identity
gwave

Gabor Functions on a Ridge
morwave2

Real Ridge Morvelets
mrecons

Reconstruct from Dyadic Wavelet Transform Extrema
mntrim

Trim Dyadic Wavelet Transform Extrema
D0

Transient Signal
morwave

Ridge Morvelets
sig_W_tilda.4

Pixel from Amber Camara
plotwt

Plot Dyadic Wavelet Transform
noisywave

Noisy Gravitational Wave
mw

Dyadic Wavelet Transform
sig_W_tilda.5

Pixel from Amber Camara
gwave2

Real Gabor Functions on a Ridge
pure.dat

Pixel from Amber Camara
purwave

Pure Gravitational Wave
signal_W_tilda.9

Pixel from Amber Camara
noisy.dat

Pixel from Amber Camara
signal_W_tilda.3

Pixel from Amber Camara
pixel_8.9

Pixel from Amber Camara
npl

Prepare Graphics Environment
regrec2

Reconstruction from a Ridge
skeleton

Reconstruction from Dual Wavelets
regrec

Reconstruction from a Ridge
ridrec

Reconstruction from a Ridge
rkernel

Kernel for Reconstruction from Wavelet Ridges
rwkernel

Kernel for Reconstruction from Wavelet Ridges
plotResult

Plot Dyadic Wavelet Transform Extrema
sig_W_tilda.2

Pixel from Amber Camara
scrcrec

Simple Reconstruction from Crazy Climbers Ridges
sig_W_tilda.3

Pixel from Amber Camara
vwt

Voice Wavelet Transform
wRidgeSampling

Sampling wavelet Ridge
signal_W_tilda.6

Pixel from Amber Camara
signal_W_tilda.5

Pixel from Amber Camara
signal_W_tilda.1

Pixel from Amber Camara
tfpct

Percentile frequency by frequency
zerokernel

Reconstruction from Wavelet Ridges
yendiff

Pixel from Amber Camara
signal_W_tilda.4

Pixel from Amber Camara
tfvar

Variance frequency by frequency
signal_W_tilda.7

Pixel from Amber Camara
signal_W_tilda.2

Pixel from Amber Camara
sig_W_tilda.1

Pixel from Amber Camara
skeleton2

Reconstruction from Dual Wavelet
smoothwt

Smoothing and Time Frequency Representation
signal_W_tilda.8

Pixel from Amber Camara
snake

Ridge Estimation by Snake Method
wpl

Plot Dyadic Wavelet Transform.
wspec.pl

Log of Wavelet Spectrum Plot
snakeview

Restriction to a Snake
snakoid

Modified Snake Method
smoothts

Smoothing Time Series
tflmax

Time-Frequency Transform Local Maxima
sridrec

Simple Reconstruction from Ridge
vgt

Gabor Transform on one Voice
vecmorlet

Morlet Wavelets on a Ridge
tfgmax

Time-Frequency Transform Global Maxima
tfmean

Average frequency by frequency
WV

Wigner-Ville function
vDOG

DOG Wavelet Transform on one Voice
vecgabor

Gabor Functions on a Ridge
zeroskeleton

Reconstruction from Dual Wavelets
zeroskeleton2

Reconstruction from Dual Wavelets
yen

Pixel from Amber Camara
DOG

Continuous Wavelet Transform with derivative of Gaussian
HOWAREYOU

How Are You?
RidgeSampling

Sampling Gabor Ridge
Undocumented

Undocumented Functions in Rwave