SDKZSPF LSI, SDKZSPF Datasheet - Page 334

• Manufacturer Part Number: SDKZSPF
• Manufacturer: LSI

Specifications of SDKZSPF

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E.1
E.1.1
E-2
API Specification Auto-correlation Library Function on
G2
Auto-correlation
Synopsis
void lib_autocorr(*Struct_AUTOCOR)
*Struct_AUTOCOR
Input
The input variables that are to be passed through the AUTOCOR
structure:
short DataSize
short InputData
short NumberOfLags Number of auto-correlation lags needed
short Scale
Return Value
None
Output
The output is returned as a field in the AUTOCOR structure
short AutoCorrData
Description
This function implements the auto-correlation of the input data
(InputData) and stores the computed correlation lags in an array
(AutoCorrData). The number of correlation lags are specified by
NumberOfLags. As the number of lags are small, a direct sum-of-product
algorithm is used for computing the correlation values.
Signal Processing Library
Copyright © 1999-2003 by LSI Logic Corporation. All rights reserved.
Pointer to the Auto-correlation Structure
Array to hold the Auto-correlation values
Length of the input data
Input data array of size Datasize*2
Factor to use in scaling the partial products