MATLAB SIGNAL PROCESSING BLOCKSET 7 Guide de l'utilisateur télécharger pdf (Page 399)

100

101

Integer Delay

5-242

the block generates the following sequence of matrices at the start of the

simulation,

where is the i,jth element of the kth matrix in the input sequence.

•Array of size M-by-N-by-d. In this case, you can set different fixed initial

conditions for each element of a sample-based input. This setting is

explained further in the Array bullet in “Time-Varying Initial Conditions”

below.

Initial conditions cannot be specified by full matrices.

Time-Varying Initial Conditions. A time-varying initial condition in sample-based

mode can be specified in one of the following ways:

•Vector of length d, where d is the maximum value specified for any channel

in the

Delay parameter. The vector can be a L-by-d, 1-by-d, or 1-by-1-by-d.

The d elements of the vector are output in sequence, one at each sample time

of the initial delay.

For a scalar input and the parameters shown below,

the block outputs the sequence

-1, -1, -1, 0, 1,... at the start of the

simulation.

•Array of dimension M-by-N-by-d, where d is the value specified for the

Delay

parameter (the maximum value if the

Delay is a vector) and M and N are the

number of rows and columns, respectively, in the input matrix. The d pages

1– 1–

1–

1– 1–

1–

…,,,,,

1 2 ... 394 395 396 397 398 399 400 401 402 403 404 ... 737 738

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MATLAB SIGNAL PROCESSING BLOCKSET 7 Guide de l'utilisateur Page 399

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