1.软件版本
MATLABb
2.本算法理论知识
3.核心代码
NUMS = 20000;Bits = round(rand(1,NUMS)>=0.5);f1 = 1;f2 = 2;Scale= 50;t = 0:1/Scale:1-1/Scale;As = 1;%FSKBits0 = sin(2*pi*f1*t);Bits0 = Bits0/sqrt(sum(Bits0.^2));Bits1 = sin(2*pi*f2*t);Bits1 = Bits1/sqrt(sum(Bits1.^2));fsk = [];for i=1:NUMSif Bits(i)==1fsk=[fsk Bits1];elsefsk=[fsk Bits0];endendfiguresubplot(211)stairs(0:10,[Bits(1:10) Bits(10)],'linewidth',1.5)axis([0 10 -0.5 1.5])title('Message Bits');grid onsubplot(212)tb=0:1/Scale:10-1/Scale;plot(tb, fsk(1:10*Scale),'r','linewidth',1.5)title('FSK调制');grid on.....................
4.操作步骤与仿真结论
5.参考文献
[1]付柏成, 赵知劲, 赵治栋. 脉冲噪声下数字调制信号的自适应解调[J]. 现代电子技术, , 31(23):5.
A01-499
