www.gusucode.com > 人脸识别所用的图像库matlab源码程序 > 生成调制信号数据集 信号集包括2ASK,2PSK,2FSK,4ASK,4PSK,4FSK,8ASK,8PSK,8FSK,16QAM,64QAM/modulation-recognition-dataset-master/ask.m
% ���������ź� ���������ݣ��������ʣ��ز�Ƶ�ʣ������ʣ� function s = ask(d,fb,fc,fs,M) s = zeros([1,length(d)*fs/fb]); for i=1:fs/fb s(i:fs/fb:end)=d; end % N=length(d);M=fs/fb;Nc=fs/fc; % s=zeros(1,M*N); % for j = 1:N % for i = 1:M % s((j-1)*M+i)=sin(2*pi*(i-1)/Nc)*d(j); % end % end