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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Miscellaneous >
   Deinterleaver (DEILV)       

Deinterleaver (DEILV)

Notes

1. This model deinterleaves a real signal using given interleave functions, which may be provided by an external data file or created from computer by pseudo-random generator. During each invocation, this model deinterleaves BLOCK_SIZE input samples

2. The interleave function is just a sequence of BLOCK_SIZE integers:
f(i) = a_i (i= 1, … ,BLOCK_SIZE)
The output signal values related to input signal values for every BLOCK_SIZE samples are: Output( f(i) ) = input (i) (i= 1, … ,BLOCK_SIZE)

3. The parameters RANDOM_SEED and FILE are optional. If neither is provided, the program uses the default value of RANDOM_SEED, which is 0.

4. For any non-negative values of RANDOM_SEED, the program sets up a random seed from its internal random generator = RANDOM_SEED and generates the interleaving function ran­domly.

5. An external file will be used to generate interleaving function for either of the following cases: RANDOM_SEED = -1, or FILENAME has been provided.

Data format for the external file is text file. The contents of the file are just BLOCK_SIZE integers, which are used as interleave function.

6. This element will recover the interleaved signal if the RANDOM_SEED are the same (or use same external file) for INTLV and DEILV.

Netlist Form

DEILV:Name n1 n2 BLOCK_SIZE=val [RANDOM_SEED=val]
FILE=”filename” [Rin=val] [Rout=val]

Netlist Example

1. Random deinterleaver:

DEILV:1 1 2 BLOCK_SIZE=256 RANDOM_SEED=40435

2. Interleave function provided by external file:

DEILV:1 3 2 BLOCK_SIZE=960 RANDOM_SEED=-1 FILE=”filename”

END

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