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PLOTNSDGT - Plot non-stationary Gabor coefficients

Usage

plotnsdgt(c,a,fs,dynrange);

Input parameters

coef Cell array of coefficients.
a Vector of time positions of windows.
fs signal sample rate in Hz (optional)
dynrange Color scale dynamic range in dB (optional).

Description

plotnsdgt(coef,a) plots coefficients computed using nsdgt or unsdgt. For more details on the format of the variables coef and a, please read the function help for these functions.

plotnsdgt(coef,a,fs) does the same assuming a sampling rate of fs Hz of the original signal.

plotnsdgt(coef,a,fs,dynrange) additionally limits the dynamic range.

C=plotnsdgt(...) returns the processed image data used in the plotting. Inputting this data directly to imagesc or similar functions will create the plot. This is useful for custom post-processing of the image data.

plotnsdgt supports all the optional parameters of tfplot. Please see the help of tfplot for an exhaustive list. In addition, the following parameters may be specified:

'xres',xres Approximate number of pixels along x-axis / time. The default value is 800
'yres',yres Approximate number of pixels along y-axis / frequency The default value is 600