NEWS.md
In gjmvanboxtel/gsignal: Signal Processing
gsignal 0.3.6
- date: 20230830
- Fixed Github Issue #9: differences between freqz and signal.scipy.freqz
- updated freqz() to match current Octave version
- implemented proper freqz.Sos() instead of converting to Arma
- freqz.Zpg() converts to Sos instead of Arma
- Implemented changes in 'Octave' 'signal' 1.4.2 with respect to 1.4.1
- added tests for cplxreal() (gsignal did not have Octave bug #60606)
- added test for cheb2ap (gsignal did not have Octave bug #58218)
- all other changes concerned code style or documentation
- correct typos in stft.R (H. Dieter Wilhelm - Pull request #10)
- Negate the signal reversed in time at both ends in filtfilt.R
(Rafael Laboissière - Pull request #12)
- add check on NULL value in zapIm()
- Fixed Github Issue #15 (loeriver): incorrect results and error in residuez()
- removed Cong() on calculation of k
- made calculation of r and p conditional
- Changed coefficients of the hamming() window function as in Matlab/Octave
gsignal 0.3-5
- date: 20220514
- Fixed Github Discussion #6: remove padding to nearest power of 2 in pwelch()
- Fixed Github Issue #5: returning matrix when input is matrix in pwelch()
- Adapted e-mail addresses in mexihat, morlet, nutallwin, pburg, pyulear
- use inherits() instead of direct comparison of class name in ar_psd, findpeaks,
pwelch, sgolayfilt, upfirdn
- defined plot methods for ar_psd, pwelch, specgram classes
- Fixed Github Issue #7: decimate with a matrix;, added "fir" argument to ftype
gsignal 0.3-4
- date: 20220404
- Fixed test failure in tests/testthat/test_miscellaneous_Functions.R
gsignal 0.3-3
- date: 20220330
- Fixed Github Issue #3: Problems with fftfilt when FFT length is provided by user
- copy attributes of input object x to output in functions filter, filtfilt, sosfilt, fftfilt
- copy dimnames of input object x to output in functions upfirdn, resample, upsample, upsamplefill,
downsample, decimate, detrend, fht, sgolayfilt,
- added ultrwin() function
- adapted filter() to allow data and filter coefficients to be of type complex
- adapted sosfilt() to allow data and filter coefficients to be of type complex
- bugfix in pwelch() for multivariate input
- Fixed Github Issue #4: Problem with hilbert for small amplitude signals
- added isConjSymm() function to gsignal-internal
- adapted ifft() to use isConjSymm instead of ZapIm
- reduced default tolerance for isWhole() and zapIm()
- bugfix in detrend(): function now returns a vector if input was a vector
- bugfix in filtfilt(): corrected bug in computing filter ends (default and Sos methods)
gsignal 0.3-2
- date: 20210518
- corrected CRAN WARNINGs on ATLAS, MKL, valgrind, fedora, solaris
- corrected import NOTE for grDevices
- adapted code in vignette "gsignal"
- use explicit tolerance in testthat tests
- added badges and logo (just for the fun of it)
- sort zeros and poles on output in sos2zp(), tf2zp()
- use matrix() instead of as.matrix() in functions
dct(), idct(), czt(), dst(), idst(), fht(), ifht()
- minor bugfix in arburg()
- bugfix in filter.cpp: resize a and b vectors, length of zi
- adapted some examples
gsignal 0.3-1
- date: 20210502
- added 'signals' data frame
- cleaned code
- minor bugfixes
- updated tests
- added vignette
gsignal 0.3-0
- date: 20210411
- Bugfixes in pwelch(), butter(), as.Arma.Sos(), as.Sos.Zpg(), sos2tf()
- Added 'output' parameter to butter(), cheby1(), cheby2(), ellip()
- Redesigned filter() to correct problems with initial conditions (now direct-form II)
- Return objects of respective class tf2zp(), tf2sos(), zp2sos(), zp2tf(), sos2tf(), sos2zp()
- Added 'order' argument to zp2sos(); changed default ordering
- Added filter_zi() function
- Redesigned sosfilt(); added support for initial conditions
- Adapted filtfilt(): use padding and Gustafsson method for initial conditions
- Function sgolayfilt(): if input x is a matrix, filter its columns
- Replace 'dim' argument by 'MARGIN' in functions cplxpair(), cplxpair(), medfilt1()
- Solved numerical precision error in chebwin() and cheb() functions
- Bugfix in cplxpair(); added additional tests
- Return vector if input is a vector in function czt()
- Added range parameter ('half' or 'whole') in function pwelch()
- Bugfix in calculating time points, function stft()
- Changed plotting to S3 functions in function specgram()
gsignal 0.2-0
- date: 20201218
- completed documentation
- adapted examples and links
- license changed to GPL-3 in accordance with Octave signal package license
gsignal 0.1-0
- date: 20201213
-
initial setup. Functions:
-
Signals:
buffer, chirp, cmorwavf, diric, gauspuls, gmonopuls, mexihat, meyeraux, morlet, pulstran, rectpuls,
sawtooth, shanwavf, shiftdata, sigmoid_train, sinetone, sinewave, specgram, square, tripuls,
udecode, uencode, unshiftdata
- Signal Measurement:
findpeaks, peak2peak, peak2rms, rms, rssq
- Correlation and Convolution:
cconv, convmtx, wconv, xcorr, xcorr2, xcov
- Filtering:
fftfilt, filter, filter2, filtfilt, filtic, medfilt1, movingrms, sgolayfilt, sosfilt
- Filter Analysis:
freqs, freqs_plot, freqz, freqz_plot, fwhm, grpdelay, impz, zplane
- Filter Conversion:
polystab, residued, residuez, sos2tf, sos2zp, tf2sos, tf2zp, zp2sos, zp2tf
- IIR Filter Design:
besselap, besself, bilinear, buttap, butter, buttord, cheb, cheb1ap, cheb1ord, cheb2ap, cheb2ord, cheby1, cheby2
ellip, ellipap, ellipord, iirlp2mb, impinvar, invimpinvar, ncauer, pei_tseng_notch, sftrans
- FIR Filter Design:
cl2bp, fir1, fir2, firls, kaiserord, qp_kaiser, remez, sgolay
- Transforms:
bitrevorder, cceps, cplxreal, czt, dct, dct2, dctmtx, dftmtx, digitrevorder, dst, dwt, fftshift, fht, fwht,
hilbert, idct, idct2, idst, ifft, ifftshift, ifht, ifwht, imvfft, rceps, stft
- Power Spectrum Analysis:
ar_psd, cohere, cpsd, csd, db2pow, mscohere, pburg, pow2db, pwelch, pyulear, tfe, tfestimate
- Window Functions:
barthannwin, bartlett, blackman, blackmanharris, blackmannuttall, bohmanwin, boxcar, chebwin, flattopwin,
gaussian, gausswin, hamming, hanning, hann, kaiser, nuttallwin, parzenwin, rectwin, triang, tukeywin, ultrwin, welchwin
- System Identification:
arburg, aryule, invfreq, invfreqs, invfreqz, levinson
- Sample Rate Change:
decimate, downsample, interp, resample, upfirdn, upsample
- Utility:
clustersegment, fracshift, marcumq, primitive, sampled2continuous, schtrig, upsamplefill, wkeep, zerocrossing
- Standard Functions:
detrend, pad, postpad, prepad
- Miscellaneous:
Arma, Ma, Zpg, Sos, FilterSpecs,
fftconv, unwrap, cplxpair, poly, conv, conv2, residue, polyreduce, mpoles
gjmvanboxtel/gsignal documentation built on Nov. 22, 2023, 8:19 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
gsignal 0.3.6
- date: 20230830
- Fixed Github Issue #9: differences between freqz and signal.scipy.freqz
- updated freqz() to match current Octave version
- implemented proper freqz.Sos() instead of converting to Arma
- freqz.Zpg() converts to Sos instead of Arma
- Implemented changes in 'Octave' 'signal' 1.4.2 with respect to 1.4.1
- added tests for cplxreal() (gsignal did not have Octave bug #60606)
- added test for cheb2ap (gsignal did not have Octave bug #58218)
- all other changes concerned code style or documentation
- correct typos in stft.R (H. Dieter Wilhelm - Pull request #10)
- Negate the signal reversed in time at both ends in filtfilt.R (Rafael Laboissière - Pull request #12)
- add check on NULL value in zapIm()
- Fixed Github Issue #15 (loeriver): incorrect results and error in residuez()
- removed Cong() on calculation of k
- made calculation of r and p conditional
- Changed coefficients of the hamming() window function as in Matlab/Octave
gsignal 0.3-5
- date: 20220514
- Fixed Github Discussion #6: remove padding to nearest power of 2 in pwelch()
- Fixed Github Issue #5: returning matrix when input is matrix in pwelch()
- Adapted e-mail addresses in mexihat, morlet, nutallwin, pburg, pyulear
- use inherits() instead of direct comparison of class name in ar_psd, findpeaks, pwelch, sgolayfilt, upfirdn
- defined plot methods for ar_psd, pwelch, specgram classes
- Fixed Github Issue #7: decimate with a matrix;, added "fir" argument to ftype
gsignal 0.3-4
- date: 20220404
- Fixed test failure in tests/testthat/test_miscellaneous_Functions.R
gsignal 0.3-3
- date: 20220330
- Fixed Github Issue #3: Problems with fftfilt when FFT length is provided by user
- copy attributes of input object x to output in functions filter, filtfilt, sosfilt, fftfilt
- copy dimnames of input object x to output in functions upfirdn, resample, upsample, upsamplefill, downsample, decimate, detrend, fht, sgolayfilt,
- added ultrwin() function
- adapted filter() to allow data and filter coefficients to be of type complex
- adapted sosfilt() to allow data and filter coefficients to be of type complex
- bugfix in pwelch() for multivariate input
- Fixed Github Issue #4: Problem with hilbert for small amplitude signals
- added isConjSymm() function to gsignal-internal
- adapted ifft() to use isConjSymm instead of ZapIm
- reduced default tolerance for isWhole() and zapIm()
- bugfix in detrend(): function now returns a vector if input was a vector
- bugfix in filtfilt(): corrected bug in computing filter ends (default and Sos methods)
gsignal 0.3-2
- date: 20210518
- corrected CRAN WARNINGs on ATLAS, MKL, valgrind, fedora, solaris
- corrected import NOTE for grDevices
- adapted code in vignette "gsignal"
- use explicit tolerance in testthat tests
- added badges and logo (just for the fun of it)
- sort zeros and poles on output in sos2zp(), tf2zp()
- use matrix() instead of as.matrix() in functions dct(), idct(), czt(), dst(), idst(), fht(), ifht()
- minor bugfix in arburg()
- bugfix in filter.cpp: resize a and b vectors, length of zi
- adapted some examples
gsignal 0.3-1
- date: 20210502
- added 'signals' data frame
- cleaned code
- minor bugfixes
- updated tests
- added vignette
gsignal 0.3-0
- date: 20210411
- Bugfixes in pwelch(), butter(), as.Arma.Sos(), as.Sos.Zpg(), sos2tf()
- Added 'output' parameter to butter(), cheby1(), cheby2(), ellip()
- Redesigned filter() to correct problems with initial conditions (now direct-form II)
- Return objects of respective class tf2zp(), tf2sos(), zp2sos(), zp2tf(), sos2tf(), sos2zp()
- Added 'order' argument to zp2sos(); changed default ordering
- Added filter_zi() function
- Redesigned sosfilt(); added support for initial conditions
- Adapted filtfilt(): use padding and Gustafsson method for initial conditions
- Function sgolayfilt(): if input x is a matrix, filter its columns
- Replace 'dim' argument by 'MARGIN' in functions cplxpair(), cplxpair(), medfilt1()
- Solved numerical precision error in chebwin() and cheb() functions
- Bugfix in cplxpair(); added additional tests
- Return vector if input is a vector in function czt()
- Added range parameter ('half' or 'whole') in function pwelch()
- Bugfix in calculating time points, function stft()
- Changed plotting to S3 functions in function specgram()
gsignal 0.2-0
- date: 20201218
- completed documentation
- adapted examples and links
- license changed to GPL-3 in accordance with Octave signal package license
gsignal 0.1-0
- date: 20201213
-
initial setup. Functions:
-
Signals: buffer, chirp, cmorwavf, diric, gauspuls, gmonopuls, mexihat, meyeraux, morlet, pulstran, rectpuls, sawtooth, shanwavf, shiftdata, sigmoid_train, sinetone, sinewave, specgram, square, tripuls, udecode, uencode, unshiftdata
- Signal Measurement: findpeaks, peak2peak, peak2rms, rms, rssq
- Correlation and Convolution: cconv, convmtx, wconv, xcorr, xcorr2, xcov
- Filtering: fftfilt, filter, filter2, filtfilt, filtic, medfilt1, movingrms, sgolayfilt, sosfilt
- Filter Analysis: freqs, freqs_plot, freqz, freqz_plot, fwhm, grpdelay, impz, zplane
- Filter Conversion: polystab, residued, residuez, sos2tf, sos2zp, tf2sos, tf2zp, zp2sos, zp2tf
- IIR Filter Design: besselap, besself, bilinear, buttap, butter, buttord, cheb, cheb1ap, cheb1ord, cheb2ap, cheb2ord, cheby1, cheby2 ellip, ellipap, ellipord, iirlp2mb, impinvar, invimpinvar, ncauer, pei_tseng_notch, sftrans
- FIR Filter Design: cl2bp, fir1, fir2, firls, kaiserord, qp_kaiser, remez, sgolay
- Transforms: bitrevorder, cceps, cplxreal, czt, dct, dct2, dctmtx, dftmtx, digitrevorder, dst, dwt, fftshift, fht, fwht, hilbert, idct, idct2, idst, ifft, ifftshift, ifht, ifwht, imvfft, rceps, stft
- Power Spectrum Analysis: ar_psd, cohere, cpsd, csd, db2pow, mscohere, pburg, pow2db, pwelch, pyulear, tfe, tfestimate
- Window Functions: barthannwin, bartlett, blackman, blackmanharris, blackmannuttall, bohmanwin, boxcar, chebwin, flattopwin, gaussian, gausswin, hamming, hanning, hann, kaiser, nuttallwin, parzenwin, rectwin, triang, tukeywin, ultrwin, welchwin
- System Identification: arburg, aryule, invfreq, invfreqs, invfreqz, levinson
- Sample Rate Change: decimate, downsample, interp, resample, upfirdn, upsample
- Utility: clustersegment, fracshift, marcumq, primitive, sampled2continuous, schtrig, upsamplefill, wkeep, zerocrossing
- Standard Functions: detrend, pad, postpad, prepad
- Miscellaneous: Arma, Ma, Zpg, Sos, FilterSpecs, fftconv, unwrap, cplxpair, poly, conv, conv2, residue, polyreduce, mpoles
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