Haver
Digital signal generator (sumulator) with power spectrum display and sliders for "real time" control, useful for teaching and demonstrating the power spectra of different types of signals and the effect of signal duration and sampling rate. Version 1.1 adds sound output. The signal slider selects...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (45): Interactive Power Spectrum Demo Download |
Mathematically simple, quickly- computable resolution enhancement for time-series signals consisting of partially overlapping peaks. It is based on subtracting the scaled, smoothed 2nd derivative and adding the scaled, smoothed 4th derivative to the original signal. The algorithm can be...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): Interactive Resolution Enhancement Download |
nteractive smoothing for time-series signals, with sliders that allow you to adjust the smoothing parameters continuously while observing the effect on your signal dynamically. RunSmoothSliderTest to see how it works. Can be used with any smoothing function, but two fast smooth functions are...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (46): Interactive Smoothing Download |
function ire(x, signal)Interactive resolution enhancement function for data in the arguments "x,signal". Displays sliders for real-time control of 2nd and 4th derivative weighting factors (factor and factor2) and smooth width. (Larger values of factor1 and factor2 will reduce the peak width but...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (40): Interactive resolution enhancement function Download |
function [coef, RSquared]=plotdata(xi,yi,polyorder) A simple data plotting function, useful for inspecting x,y data. The function accepts data in the form of a single vector, a pair of vectors "x" and "y", or a single NxM or MxN matrix with the independent variable (x) in first row or column...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (49): plotdata, version 2 Download |
function P=ipeak(DataMatrix,PeakD,AmpT,SlopeT,SmoothW,FitW)Keyboard-operated Interactive Peak Finder for data in data matrix "DataMatrix", with x values in row 1 and y values in row 2. Returns the peak table in P (Peak #, Position, Height, Width.) See...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): iPeak: Interactive Peak Detector Download |
Interactive differentiation for time- series signals, with sliders that allow you to adjust the derivative order, smooth width, and scale expansion continuously while observing the effect on your signal dynamically. Run InteractiveDerivativeTest to see how it works. For more information see...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (47): Interactive Derivative Download |
Keyboard-controlled interactive power spectrum demonstrator, useful for teaching and learning about the power spectra of different types of signals and the effect of signal duration and sampling rate. Single keystrokes allow you to select the type of signal (12 different signals included), the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): iPower: Interactive Power Spectrum Demonstrator Download |
Finds peaks in the signal "DataMatrix" (with x-values in column 1 and y-values in column 2), according to the peak detection parameters AmpT, SlopeT, sw, fw (see the "findpeaks" function below), then compares the found peak positions (maximum x-values) to a database of known peaks,in the form of...
Platforms: Matlab
License: Freeware | Size: 583.68 KB | Download (40): IDpeak: Peak Identifier Function Download |
ifilter(x,y) or ifilter(y) or ifilter([x y]) or ry=ifilter(x,y,center,width,shape,plotmode,filtermode)Keyboard-operated interactive Fourier filter function for time-series signal (x,y), with keyboard controls that allow you to adjust the filter parameters continuously while observing the effect...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): ifilter: Interactive Fourier filter function Download |
ifilter(x,y) or ifilter(y) or ifilter([x y]) or ry=ifilter(x,y,center,width,shape,plotmode,filtermode)Keyboard-operated interactive Fourier filter function for time-series signal (x,y), with keyboard controls that allow you to adjust the filter parameters continuously while observing the effect...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): ifilter: Interactive Fourier filter function, version 3 Download |