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Rwave (version 1.2)

Time-Frequency analysis of 1-D signals

Description

Rwave is a library 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, Academic Press (1998).

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Version

Install

install.packages('Rwave')

Monthly Downloads

1,217

Version

1.2

License

Free of charge for non-commercial use.

Maintainer

Brandon Whitcher

Last Published

October 22nd, 2022

Functions in Rwave (1.2)

HOWAREYOU

How Are You?
Undocumented

Undocumented Functions in Rwave
gcrcrec

Crazy Climbers Reconstruction by Penalization
noisywave

Noisy Gravitational Wave
check.maxresoln

Verify Maximum Resolution
snakeview

Restriction to a Snake
ch

Chen's Chirp
gwave

Gabor Functions on a Ridge
pure.dat

Pixel from Amber Camara
W_tilda.8

Pixel from Amber Camara
B4

Transient Signal
back1.180

Acoustic Returns
mbtrim

Trim Dyadic Wavelet Transform Extrema
back1.000

Acoustic Returns
C4

Transient Signal
cwtimage

Continuous Wavelet Transform Display
RidgeSampling

Sampling Gabor Ridge
morwave

Ridge Morvelets
Ekg

Heart Rate Data
snakoid

Modified Snake Method
zerokernel

Reconstruction from Wavelet Ridges
wRidgeSampling

Sampling wavelet Ridge
npl

Prepare Graphics Environment
DOG

Continuous Wavelet Transform with derivative of Gaussian
fastkernel

Kernel for Reconstruction from Wavelet Ridges
cgt

Continuous Gabor Transform
scrcrec

Simple Reconstruction from Crazy Climbers Ridges
adjust.length

Zero Padding
kernel

Kernel for Reconstruction from Wavelet Ridges
cleanph

Threshold Phase based on Modulus
wspec.pl

Log of Wavelet Spectrum Plot
C0

Transient Signal
cwtsquiz

Squeezed Continuous Wavelet Transform
crcrec

Crazy Climbers Reconstruction by Penalization
fastgkernel

Kernel for Reconstruction from Gabor Ridges
back1.220

Acoustic Returns
WV

Wigner-Ville function
gsampleOne

Sampled Identity
dwinverse

Inverse Dyadic Wavelet Transform
D0

Transient Signal
tfvar

Variance frequency by frequency
morwave2

Real Ridge Morvelets
vecmorlet

Morlet Wavelets on a Ridge
smoothts

Smoothing Time Series
hurst.est

Estimate Hurst Exponent
YNdiff

Daily differences of Japanese Yen
mw

Dyadic Wavelet Transform
zeroskeleton2

Reconstruction from Dual Wavelets
cwt

Continuous Wavelet Transform
B0

Transient Signal
YN

Logarithms of the Prices of Japanese Yen
A4

Transient Signal
corona

Ridge Estimation by Corona Method
A0

Transient Signal
cwtp

Continuous Wavelet Transform with Phase Derivative
signal_W_tilda.9

Pixel from Amber Camara
gwave2

Real Gabor Functions on a Ridge
snake

Ridge Estimation by Snake Method
ext

Extrema of Dyadic Wavelet Transform
zeroskeleton

Reconstruction from Dual Wavelets
rkernel

Kernel for Reconstruction from Wavelet Ridges
sridrec

Simple Reconstruction from Ridge
icm

Ridge Estimation by ICM Method
morlet

Morlet Wavelets
amber7

Pixel from Amber Camara
coronoid

Ridge Estimation by Modified Corona Method
mntrim

Trim Dyadic Wavelet Transform Extrema
crc

Ridge Extraction by Crazy Climbers
crfview

Display chained ridges
cwtTh

Cauchy's wavelet transform
vecgabor

Gabor Functions on a Ridge
vwt

Voice Wavelet Transform
epl

Plot Dyadic Wavelet Transform Extrema
click

Dolphin Click Data
amber8

Pixel from Amber Camara
SVD

Singular Value Decomposition
regrec

Reconstruction from a Ridge
wpl

Plot Dyadic Wavelet Transform.
skeleton2

Reconstruction from Dual Wavelet
vgt

Gabor Transform on one Voice
plotResult

Plot Dyadic Wavelet Transform Extrema
sig_W_tilda.2

Pixel from Amber Camara
gregrec

Reconstruction from a Ridge
signal_W_tilda.2

Pixel from Amber Camara
cfamily

Ridge Chaining Procedure
amber9

Pixel from Amber Camara
mrecons

Reconstruct from Dyadic Wavelet Transform Extrema
ridrec

Reconstruction from a Ridge
smoothwt

Smoothing and Time Frequency Representation
gabor

Generate Gabor function
W_tilda.1

Pixel from Amber Camara
tfpct

Percentile frequency by frequency
pixel_8.9

Pixel from Amber Camara
backscatter.1.000

Pixel from Amber Camara
sig_W_tilda.1

Pixel from Amber Camara
W_tilda.5

Pixel from Amber Camara
backscatter.1.220

Pixel from Amber Camara
noisy.dat

Pixel from Amber Camara
sig_W_tilda.4

Pixel from Amber Camara
W_tilda.2

Pixel from Amber Camara
backscatter.1.180

Pixel from Amber Camara
yendiff

Pixel from Amber Camara
HeartRate

Pixel from Amber Camara
W_tilda.6

Pixel from Amber Camara
plotwt

Plot Dyadic Wavelet Transform
signal_W_tilda.3

Pixel from Amber Camara
W_tilda.3

Pixel from Amber Camara
pixel_8.8

Pixel from Amber Camara
signal_W_tilda.6

Pixel from Amber Camara
W_tilda.4

Pixel from Amber Camara
sig_W_tilda.3

Pixel from Amber Camara
signal_W_tilda.5

Pixel from Amber Camara
W_tilda.9

Pixel from Amber Camara
click.asc

Pixel from Amber Camara
signal_W_tilda.1

Pixel from Amber Camara
skeleton

Reconstruction from Dual Wavelets
tfmean

Average frequency by frequency
vDOG

DOG Wavelet Transform on one Voice
signal_W_tilda.8

Pixel from Amber Camara
sig_W_tilda.5

Pixel from Amber Camara
signal_W_tilda.7

Pixel from Amber Camara
yen

Pixel from Amber Camara
W_tilda.7

Pixel from Amber Camara
pixel_8.7

Pixel from Amber Camara
cwtpolar

Conversion to Polar Coordinates
gridrec

Reconstruction from a Ridge
tfgmax

Time-Frequency Transform Global Maxima
signal_W_tilda.4

Pixel from Amber Camara
chirpm5db.dat

Pixel from Amber Camara
D4

Transient Signal
tflmax

Time-Frequency Transform Local Maxima
gkernel

Kernel for Reconstruction from Gabor Ridges
purwave

Pure Gravitational Wave
regrec2

Reconstruction from a Ridge