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s (1)과 같은 구조 필드에 액세스 할 때 'fieldname'이 다시 비어 있습니다. 마지막 값만 볼 수 있습니다 (예 : s (97). 'fieldname'). 내 코드 :구조 필드가 비어있는 이유는 무엇입니까?
clc;
clear all;
data1= load('mydata.txt');
a=1;n=1;count=1;m=0;
while (count<98) % main loop starts
for i=a:a+1023
mydata1(i-m*1024)=data1(i); % taking 1k points in mydata1
end
m=m+1;
newdata=10*log10(abs(fft(mydata1))); % taking fft in newdata from mydata
for j=1:512
newdata1(2*j-1)=newdata(j); % interpolation of newdata to newdata1
newdata1(2*j)=newdata(j); % newdata1 size is 1024
end
a=j*n+513;
n=2*count+1;
% plot(newdata1);
% pause(1); % setting threshold
th=18;
newdata2(newdata1<th)=0; % newdata2 has 1024 0s and many 1s
newdata2(newdata1>=th)=1;
num=0;
for k=1:1023 % loop for reducing many 1s
if((newdata2(k)==1)&&(newdata2(k+1)==1))
num=num+1;
end
if(num>0 && (newdata2(k+1)==0 || k==1023))
for p = k-num:k
newdata2(p)=0;
end
p= (k-num)+floor(num/2);
newdata2(p)=1;
num=0;
end % loop ends
end
newdata2(1024)=0; % newdata2 with only 1s and 0s
binnum = find(newdata2);
x=length(binnum);
frequency=((100000/1024)*binnum);
for y=1:x
strength(y)=(newdata1(binnum(y)));
end
s= struct; % writing into a structure
s(count).frame=count;
s(count).freq=frequency;
s(count).str=strength;
count=count+1;
end
나는 어디로 가고 있습니까?
정말 고마워요. 이것은 효과가 있었다. – saya