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Rwave (version 2.4-8)

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

1,018

Version

2.4-8

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

January 20th, 2018

Functions in Rwave (2.4-8)

DOG

Continuous Wavelet Transform with derivative of Gaussian
Ekg

Heart Rate Data
W_tilda.2

Pixel from Amber Camara
W_tilda.3

Pixel from Amber Camara
RidgeSampling

Sampling Gabor Ridge
Undocumented

Undocumented Functions in Rwave
SVD

Singular Value Decomposition
HOWAREYOU

How Are You?
HeartRate

Pixel from Amber Camara
adjust.length

Zero Padding
amber7

Pixel from Amber Camara
W_tilda.4

Pixel from Amber Camara
W_tilda.5

Pixel from Amber Camara
amber8

Pixel from Amber Camara
amber9

Pixel from Amber Camara
chirpm5db.dat

Pixel from Amber Camara
W_tilda.1

Pixel from Amber Camara
W_tilda.8

Pixel from Amber Camara
W_tilda.9

Pixel from Amber Camara
back1.000

Acoustic Returns
A0

Transient Signal
A4

Transient Signal
back1.220

Acoustic Returns
backscatter.1.000

Pixel from Amber Camara
cfamily

Ridge Chaining Procedure
cgt

Continuous Gabor Transform
D4

Transient Signal
W_tilda.6

Pixel from Amber Camara
W_tilda.7

Pixel from Amber Camara
B0

Transient Signal
B4

Transient Signal
YN

Logarithms of the Prices of Japanese Yen
YNdiff

Daily differences of Japanese Yen
ch

Chen's Chirp
check.maxresoln

Verify Maximum Resolution
dwinverse

Inverse Dyadic Wavelet Transform
gridrec

Reconstruction from a Ridge
gsampleOne

Sampled Identity
cleanph

Threshold Phase based on Modulus
crfview

Display chained ridges
cwt

Continuous Wavelet Transform
corona

Ridge Estimation by Corona Method
coronoid

Ridge Estimation by Modified Corona Method
cwtTh

Cauchy's wavelet transform
D0

Transient Signal
regrec2

Reconstruction from a Ridge
ridrec

Reconstruction from a Ridge
sig_W_tilda.4

Pixel from Amber Camara
sig_W_tilda.5

Pixel from Amber Camara
backscatter.1.180

Pixel from Amber Camara
backscatter.1.220

Pixel from Amber Camara
crc

Ridge Extraction by Crazy Climbers
skeleton2

Reconstruction from Dual Wavelet
smoothts

Smoothing Time Series
sridrec

Simple Reconstruction from Ridge
tfgmax

Time-Frequency Transform Global Maxima
noisywave

Noisy Gravitational Wave
npl

Prepare Graphics Environment
plotwt

Plot Dyadic Wavelet Transform
pure.dat

Pixel from Amber Camara
gabor

Generate Gabor function
gcrcrec

Crazy Climbers Reconstruction by Penalization
mw

Dyadic Wavelet Transform
noisy.dat

Pixel from Amber Camara
click

Dolphin Click Data
click.asc

Pixel from Amber Camara
cwtpolar

Conversion to Polar Coordinates
crcrec

Crazy Climbers Reconstruction by Penalization
fastgkernel

Kernel for Reconstruction from Gabor Ridges
fastkernel

Kernel for Reconstruction from Wavelet Ridges
hurst.est

Estimate Hurst Exponent
pixel_8.7

Pixel from Amber Camara
pixel_8.8

Pixel from Amber Camara
sig_W_tilda.2

Pixel from Amber Camara
sig_W_tilda.3

Pixel from Amber Camara
signal_W_tilda.5

Pixel from Amber Camara
signal_W_tilda.6

Pixel from Amber Camara
tflmax

Time-Frequency Transform Local Maxima
tfmean

Average frequency by frequency
icm

Ridge Estimation by ICM Method
mbtrim

Trim Dyadic Wavelet Transform Extrema
mntrim

Trim Dyadic Wavelet Transform Extrema
cwtsquiz

Squeezed Continuous Wavelet Transform
gwave

Gabor Functions on a Ridge
gwave2

Real Gabor Functions on a Ridge
rkernel

Kernel for Reconstruction from Wavelet Ridges
rwkernel

Kernel for Reconstruction from Wavelet Ridges
WV

Wigner-Ville function
yen

Pixel from Amber Camara
zeroskeleton

Reconstruction from Dual Wavelets
back1.180

Acoustic Returns
C0

Transient Signal
C4

Transient Signal
cwtimage

Continuous Wavelet Transform Display
scrcrec

Simple Reconstruction from Crazy Climbers Ridges
sig_W_tilda.1

Pixel from Amber Camara
signal_W_tilda.3

Pixel from Amber Camara
signal_W_tilda.4

Pixel from Amber Camara
smoothwt

Smoothing and Time Frequency Representation
snake

Ridge Estimation by Snake Method
vwt

Voice Wavelet Transform
vDOG

DOG Wavelet Transform on one Voice
vecgabor

Gabor Functions on a Ridge
yendiff

Pixel from Amber Camara
zerokernel

Reconstruction from Wavelet Ridges
morlet

Morlet Wavelets
morwave

Ridge Morvelets
cwtp

Continuous Wavelet Transform with Phase Derivative
epl

Plot Dyadic Wavelet Transform Extrema
ext

Extrema of Dyadic Wavelet Transform
gkernel

Kernel for Reconstruction from Gabor Ridges
gregrec

Reconstruction from a Ridge
morwave2

Real Ridge Morvelets
mrecons

Reconstruct from Dyadic Wavelet Transform Extrema
purwave

Pure Gravitational Wave
wRidgeSampling

Sampling wavelet Ridge
pixel_8.9

Pixel from Amber Camara
plotResult

Plot Dyadic Wavelet Transform Extrema
signal_W_tilda.1

Pixel from Amber Camara
signal_W_tilda.2

Pixel from Amber Camara
signal_W_tilda.9

Pixel from Amber Camara
skeleton

Reconstruction from Dual Wavelets
snakeview

Restriction to a Snake
regrec

Reconstruction from a Ridge
signal_W_tilda.7

Pixel from Amber Camara
signal_W_tilda.8

Pixel from Amber Camara
tfpct

Percentile frequency by frequency
snakoid

Modified Snake Method
vecmorlet

Morlet Wavelets on a Ridge
vgt

Gabor Transform on one Voice
zeroskeleton2

Reconstruction from Dual Wavelets
tfvar

Variance frequency by frequency
wpl

Plot Dyadic Wavelet Transform.
wspec.pl

Log of Wavelet Spectrum Plot