MATLAB: Are there any functions in the Signal Processing Toolbox that perform circular convolution

circularconvolutionfftifftprocessingsignalSignal Processing Toolboxtoolbox

I would like to know if there are any functions in the Signal Processing Toolbox that perform circular convolution.

Best Answer

The CCONV function will perform circular convolution of two signals. For more information, please type "help cconv" at the MATLAB prompt or read our documentation at the following location:

 <http://www.mathworks.com/access/helpdesk/help/toolbox/signal/cconv.html>

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MATLAB: Imdilate algorithm similar to convolution

No, it's totally different. They both scan the image with a window but the convolution multiplies the values in the window by the image values under the window and sums them up to get a new center pixel. The dilate just takes the maximum value in the window as the new center pixel.

MATLAB: Can I have the functionality provided by WELCH and MSCOHERE functions in Signal Processing Toolbox 6.1 (R13SP1)

The PSD and COHERE functions in Signal Processing Toolbox 6.1 (R13SP1) were replaced by the WELCH and MSCOHERE functions respectively in Signal Processing Toolbox 6.2 (R14). You can use PSD and COHERE for your application using Signal Processing Toolbox 6.1 (R13SP1). For more information about these functions type:

doc psd
doc cohere

in the MATLAB 6.5.1 (R13SP1) Command Window.

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MATLAB: Imdilate algorithm similar to convolution

MATLAB: Can I have the functionality provided by WELCH and MSCOHERE functions in Signal Processing Toolbox 6.1 (R13SP1)

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