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% Ap(vch,t): ACF of receiver impulse response for virtual channels 'vch' and time lags 't'

% GUISDAP v.1.60 96-05-27 Copyright Asko Huuskonen and Markku Lehtinen

%

% This if the preferred way of referencing matrix vc_Ap, which contains the function

% for only non-negative values of 't'. Also possible references beyond the matrix

% index limits are hanled. The function also takes care of the fact that

% the value of ACF at lag 0 is stored at Matlab matrix index 1.

% Parameters

% vch : virtual channel numbers

% t: lag values, any value permitted

% 

% See also: Aenv Apenv

%

% function res=Ap(vch,t);

function res=Ap(vch,t);



global vc_Ap



t=abs(t(:))+1;

[len,hups]=size(vc_Ap);

ii=find(t>len);

t(ii)=len*ones(length(ii),1);

res=vc_Ap(t,vch);