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Sample-Based Matrices

Matrices provide a flexible alternative to vectors for transmitting multichannel sample-based signals, such as the time-varying array of pixel brightness values shown in the figure below. In sample-based signals, each matrix element represents one sample from a distinct signal channel.

For example, if ut=0 is the first matrix in the series, ut=1 is the second, ut=2 is the third, and so on, then the signal in channel 1 is composed of the following sequence:

Similarly, in the 36-channel signal of the figure below, channel 9 (counting down the columns) contains the following sequence:

In other words, a time-sequence of matrices are sample-based when the corresponding time-sequence of each element in the matrix represents the time-sequence of values in an independent signal.


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