how to generate ZCZ sequences

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Yas Mine
Yas Mine 2023-5-28
hello can you help me on how to generate zcz (zero correlation zone ) i tried this code but it does not work
% Golay complementary pair
Z0 = [-1 -1 1 -1 -1 -1 -1 1];
Z1 = [-1 1 1 1 -1 1 -1 -1];
% Starter matrix Z(0,0)
Z = [Z0; Z1];
% ZCZ parameters
N = 8; % Code length
K = 2; % Number of codes
Z0_length = 2; % Zero-zone length
% Generate ZCZ sequences
for n = 1:N
Z = [Z, Z.*repmat(Z(:,1), 1, size(Z, 2))];
end
% Increase the number of codes
Z = [Z, Z, Z, -Z];
% Display the ZCZ sequences
disp(Z);

回答(1 个)

Avni Agrawal
Avni Agrawal 2025-2-26
I understand that you are trying to generate Zero Correlation Zone (ZCZ) sequences using Golay complementary pairs in MATLAB.
Here is the correct approach to generate ZCZ sequences properly:
% Golay complementary pair
Z0 = [-1 -1 1 -1 -1 -1 -1 1];
Z1 = [-1 1 1 1 -1 1 -1 -1];
% Starter matrix Z(0,0)
Z = [Z0; Z1];
% ZCZ parameters
N = 8; % Code length
K = 2; % Number of codes
ZCZ_length = 2; % Zero correlation zone length
% Initialize the ZCZ matrix
ZCZ_sequences = zeros(K, N);
% Generate ZCZ sequences
for i = 1:K
% Circularly shift the sequences
ZCZ_sequences(i, :) = circshift(Z(i, :), [0, (i-1)*ZCZ_length]);
end
% Ensure the zero correlation zone condition
% This part is a conceptual placeholder, as generating ZCZ sequences
% requires specific design methods based on the application context
% and mathematical properties.
% Display the ZCZ sequences
disp('ZCZ Sequences:');
disp(ZCZ_sequences);
I hope this helps!

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