matlab仿真曼彻斯特码变换并显示波形,matlab编程
时间: 2023-08-24 11:10:52 浏览: 397
以下是一个简单的Matlab代码示例,用于生成曼彻斯特编码并显示波形:
```matlab
% 输入原始数据
data = input('Enter binary data: ', 's');
% 将二进制数据转换为曼彻斯特编码
manchester_code = '';
for i = 1:length(data)
if data(i) == '0'
manchester_code = [manchester_code '01'];
else
manchester_code = [manchester_code '10'];
end
end
% 将曼彻斯特编码转换为数字向量
digital_signal = [];
for i = 1:length(manchester_code)
if manchester_code(i) == '0'
digital_signal(i) = -1;
else
digital_signal(i) = 1;
end
end
% 绘制数字信号波形
subplot(2,1,1);
stairs(digital_signal);
axis([0 length(digital_signal) -1.5 1.5]);
xlabel('Time');
ylabel('Amplitude');
title('Digital Signal');
% 绘制曼彻斯特编码波形
manchester_signal = [];
for i = 1:length(digital_signal)
manchester_signal = [manchester_signal digital_signal(i) -digital_signal(i)];
end
subplot(2,1,2);
plot(manchester_signal);
axis([0 length(manchester_signal) -1.5 1.5]);
xlabel('Time');
ylabel('Amplitude');
title('Manchester Signal');
```
该代码首先要求用户输入一个二进制数据字符串,然后将其转换为曼彻斯特编码。随后,它将曼彻斯特编码转换为数字向量,绘制数字信号波形和曼彻斯特编码波形。请注意,曼彻斯特编码波形是由数字信号波形通过交替向上和向下转换而得到的。
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