可这样改：ts=0.0025;t=0:ts:10-ts;fs=1/ts;df=fs/length(t);msg=randi([-3,3],100,1,123);msg=randi([-3,3],1,1);msg1=msg*ones(1,fs/10);msg1=msg*ones(1,floor(length(t)));msg2=reshape(msg1.',1,length(t));Pm=fft(msg2)/fs;f=-fs/2:df:fs/2-df;subp...
扔100次 A = fix(unifrnd(1,7,10,10))扔1000次 A = fix(unifrnd(1,7,10,100))扔10000次 A = fix(unifrnd(1,7,100,100))S1 = sum(A == 1)/100;1的百分比 bar([S1,S2,S3...]) 条状图 扔一次画一张图
A = cell(513,1);for k = 1:513 rr = randint(1,1,[30 330]); A{k} = randint(rr,2,[0 99]);end;以上是生成测试数据，A 直接用自己的数据就OK[r,c] = size(A);for k = 1:r*c temp = A{k}; temp(:,1:end) = temp(:,end:-1:1); A{k} = te...
f = 'x -(5*a+6*b+7*c)=0';g='y -(2*a+b+4*c)=0';h='z -(3*a+3*b+5*c)=0';[x,y,z] = solve(f,g,h,'x','y','z');x =5*a + 6*b + 7*c y =2*a + b + 4*c z =3*a + 3*b + 5*c rand('seed',0);for i=1:1:100 a1=randi(100)...
题主的错误是 x 与 stem函数的没有按要求对应。应该这样来修改：M=16;k=log2(M);n=1000.00; %比特序列长度samp=1;%过采样率x=randi(1,n); %生成随机二进制比特流stem(x(1:50),'filled');%画出相应的二进制比特流信号title('二进制随机比特流');xlabel('比特序列');ylabel('信号幅度...