troble in applying for loop

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Kutru biladi 2015-7-28

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评论： Kutru biladi 2015-7-28

I want to apply for loop. Below is my code. I have applied the for loop which is wrong. Here Length(t) is sample numbers. Here I want to create 'for' loop for a sample number 5 in particular. so how to change the for loop. Moreover, 'phi_sync' shoud be sample number of 5 and 'phi_acc' shoud be summation from 0 to 5 sample numbers.

    fs = 200;
    ts = 1/fs;
    t = 0:ts:1-ts;
    fc = 50;
    S = cos(2*pi*fc*t);                    % equation 7.1 noisless
    sigma = 1.8;
    phi_sync =  sigma * randn(1,length(t));   % random variable with gaussian distributed
    phi_acc = sigma * randn(1,length(t));   % random variable with gaussian distributed
    % h = 0;
    for i=1:length(S)
        h = phi_sync + phi_acc(i);
    end

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采纳的回答

Azzi Abdelmalek 2015-7-28

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https://ww2.mathworks.cn/matlabcentral/answers/231443-troble-in-applying-for-loop#answer_187437

编辑：Azzi Abdelmalek 2015-7-28

在 MATLAB Online 中打开

   k=0  
   h=zeros(size(1:5:numel(S)))
   for ii=1:5:numel(S)
        k=k+1
        h(k)= phi_sync(ii) + phi_acc(ii);
    end

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Kutru biladi 2015-7-28

Hey Azzi, one more questoion. now i want to add this h = phi_sync(5) + phi_acc(sum(1:5). how to get this h using for loop from o to n.

Kutru biladi 2015-7-28

I mean now h(5) = phi_sync(5) + phi_acc(sum(1:5). i want h(1) to h(n) and after that i need to add this h in a signal. S1 = cos(2*pi*fc*t + h) so i will get phase noise

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