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Rwave (version 2.6-0)

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.

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Version

Install

install.packages('Rwave')

Monthly Downloads

2,540

Version

2.6-0

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

September 29th, 2021

Functions in Rwave (2.6-0)

W_tilda.8

Pixel from Amber Camara
B0

Transient Signal
A4

Transient Signal
B4

Transient Signal
A0

Transient Signal
backscatter.1.180

Pixel from Amber Camara
backscatter.1.220

Pixel from Amber Camara
Ekg

Heart Rate Data
W_tilda.9

Pixel from Amber Camara
W_tilda.4

Pixel from Amber Camara
cwt

Continuous Wavelet Transform
click.asc

Pixel from Amber Camara
crfview

Display chained ridges
cwtTh

Cauchy's wavelet transform
click

Dolphin Click Data
D0

Transient Signal
gwave

Gabor Functions on a Ridge
adjust.length

Zero Padding
noisywave

Noisy Gravitational Wave
npl

Prepare Graphics Environment
gwave2

Real Gabor Functions on a Ridge
YN

Logarithms of the Prices of Japanese Yen
cwtpolar

Conversion to Polar Coordinates
YNdiff

Daily differences of Japanese Yen
plotwt

Plot Dyadic Wavelet Transform
pure.dat

Pixel from Amber Camara
W_tilda.5

Pixel from Amber Camara
sig_W_tilda.4

Pixel from Amber Camara
cfamily

Ridge Chaining Procedure
gkernel

Kernel for Reconstruction from Gabor Ridges
amber7

Pixel from Amber Camara
amber8

Pixel from Amber Camara
W_tilda.6

Pixel from Amber Camara
amber9

Pixel from Amber Camara
sig_W_tilda.5

Pixel from Amber Camara
fastgkernel

Kernel for Reconstruction from Gabor Ridges
signal_W_tilda.1

Pixel from Amber Camara
fastkernel

Kernel for Reconstruction from Wavelet Ridges
hurst.est

Estimate Hurst Exponent
back1.220

Acoustic Returns
icm

Ridge Estimation by ICM Method
chirpm5db.dat

Pixel from Amber Camara
pixel_8.8

Pixel from Amber Camara
W_tilda.7

Pixel from Amber Camara
backscatter.1.000

Pixel from Amber Camara
signal_W_tilda.5

Pixel from Amber Camara
signal_W_tilda.6

Pixel from Amber Camara
cgt

Continuous Gabor Transform
back1.180

Acoustic Returns
D4

Transient Signal
noisy.dat

Pixel from Amber Camara
back1.000

Acoustic Returns
snakeview

Restriction to a Snake
ch

Chen's Chirp
check.maxresoln

Verify Maximum Resolution
epl

Plot Dyadic Wavelet Transform Extrema
gridrec

Reconstruction from a Ridge
cleanph

Threshold Phase based on Modulus
vecmorlet

Morlet Wavelets on a Ridge
vgt

Gabor Transform on one Voice
gabor

Generate Gabor function
snakoid

Modified Snake Method
C0

Transient Signal
C4

Transient Signal
dwinverse

Inverse Dyadic Wavelet Transform
pixel_8.7

Pixel from Amber Camara
ext

Extrema of Dyadic Wavelet Transform
morlet

Morlet Wavelets
gcrcrec

Crazy Climbers Reconstruction by Penalization
corona

Ridge Estimation by Corona Method
morwave

Ridge Morvelets
scrcrec

Simple Reconstruction from Crazy Climbers Ridges
cwtp

Continuous Wavelet Transform with Phase Derivative
mw

Dyadic Wavelet Transform
yendiff

Pixel from Amber Camara
regrec2

Reconstruction from a Ridge
cwtimage

Continuous Wavelet Transform Display
tfmean

Average frequency by frequency
ridrec

Reconstruction from a Ridge
sig_W_tilda.1

Pixel from Amber Camara
coronoid

Ridge Estimation by Modified Corona Method
gsampleOne

Sampled Identity
morwave2

Real Ridge Morvelets
crc

Ridge Extraction by Crazy Climbers
mntrim

Trim Dyadic Wavelet Transform Extrema
signal_W_tilda.3

Pixel from Amber Camara
sig_W_tilda.3

Pixel from Amber Camara
skeleton2

Reconstruction from Dual Wavelet
cwtsquiz

Squeezed Continuous Wavelet Transform
sig_W_tilda.2

Pixel from Amber Camara
crcrec

Crazy Climbers Reconstruction by Penalization
signal_W_tilda.4

Pixel from Amber Camara
signal_W_tilda.2

Pixel from Amber Camara
signal_W_tilda.7

Pixel from Amber Camara
tfpct

Percentile frequency by frequency
mrecons

Reconstruct from Dyadic Wavelet Transform Extrema
vDOG

DOG Wavelet Transform on one Voice
plotResult

Plot Dyadic Wavelet Transform Extrema
pixel_8.9

Pixel from Amber Camara
gregrec

Reconstruction from a Ridge
smoothts

Smoothing Time Series
regrec

Reconstruction from a Ridge
snake

Ridge Estimation by Snake Method
mbtrim

Trim Dyadic Wavelet Transform Extrema
rkernel

Kernel for Reconstruction from Wavelet Ridges
sridrec

Simple Reconstruction from Ridge
skeleton

Reconstruction from Dual Wavelets
purwave

Pure Gravitational Wave
signal_W_tilda.8

Pixel from Amber Camara
signal_W_tilda.9

Pixel from Amber Camara
tfgmax

Time-Frequency Transform Global Maxima
wpl

Plot Dyadic Wavelet Transform.
rwkernel

Kernel for Reconstruction from Wavelet Ridges
vecgabor

Gabor Functions on a Ridge
smoothwt

Smoothing and Time Frequency Representation
WV

Wigner-Ville function
tfvar

Variance frequency by frequency
wRidgeSampling

Sampling wavelet Ridge
zeroskeleton2

Reconstruction from Dual Wavelets
tflmax

Time-Frequency Transform Local Maxima
yen

Pixel from Amber Camara
wspec.pl

Log of Wavelet Spectrum Plot
zeroskeleton

Reconstruction from Dual Wavelets
zerokernel

Reconstruction from Wavelet Ridges
vwt

Voice Wavelet Transform
Undocumented

Undocumented Functions in Rwave
DOG

Continuous Wavelet Transform with derivative of Gaussian
SVD

Singular Value Decomposition
RidgeSampling

Sampling Gabor Ridge
W_tilda.2

Pixel from Amber Camara
W_tilda.3

Pixel from Amber Camara
HOWAREYOU

How Are You?
W_tilda.1

Pixel from Amber Camara
HeartRate

Pixel from Amber Camara