46 lines
2.0 KiB
Mathematica
46 lines
2.0 KiB
Mathematica
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%%************************<EFBFBD><EFBFBD>FCME<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㷨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>****************************%%
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%%=============================<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>===================================%%
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% data <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>
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% Pf <EFBFBD>龯<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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% J <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><EFBFBD>ŵ㼯<EFBFBD><EFBFBD>
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%%========================================================================%%
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function J = FCME(data,Pf)
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T = sqrt(-1*(4/pi)*log(Pf)); %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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J = [];
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L = length(data);
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fi = [];
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[y_sort,index] = sort(abs(data),'ascend'); %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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%%<EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD>ֵ
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for k = 1:L
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fi(k)=abs(data(k));
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end
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%%%%<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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J = index(round(L/10)+1:end); %%ʣ<EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD>ż<EFBFBD><EFBFBD><EFBFBD>
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I = index(1:round(L/10)); %%<EFBFBD><EFBFBD><EFBFBD>ż<EFBFBD><EFBFBD><EFBFBD>\
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S = mean(fi(I));
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%%<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ㼯<EFBFBD><EFBFBD>
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for m = 1:50 %%FCME<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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length_J = length(J); %%J<EFBFBD><EFBFBD><EFBFBD>ϵij<EFBFBD><EFBFBD><EFBFBD>
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ii = 1;
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jj = 1;
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new_I = [];
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new_J = [];
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for j1 = 1:length_J
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J1 = J(j1); %%J<EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if fi(J1) < T*S %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>I<EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD>J<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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new_I(ii) = J1;
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ii = ii +1;
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else %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>J<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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new_J(jj) = J1;
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jj = jj + 1;
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end
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end
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if isempty(new_I) %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD>new_IΪ<EFBFBD>գ<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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break;
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end
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J = new_J;
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I = union(I,new_I);
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S = mean(fi(I)); %%<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>
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end
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end
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