MATLAB SIGNAL PROCESSING TOOLBOX 6 User Manual download pdf (Page 14)

2 Basic Signal Processing Concepts

2-6

Multichannel Signals

Use standard MATLAB array syntax to work with multichannel signals. For example, a

multichannel signal consisting of the last three signals generated above is

z = [ramp_sig quad_sig sq_wave];

You can generate a multichannel unit sample function using the outer product operator.

For example, a six-element column vector whose first element is one, and whose

remaining five elements are zeros, is

a = [1 zeros(1,5)]';

To duplicate column vector a into a matrix without performing any multiplication, use

the MATLAB colon operator and the ones function:

c = a(:,ones(1,3));

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MATLAB SIGNAL PROCESSING TOOLBOX 6 User Manual Page 14