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于 2014-01-01 发布文件大小:1KB

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对原始信号进行四相相移键控调制，然后加入高斯白噪声，对加噪信号进行解调，对比解调信号与原始信号，计算误码率(The original signal quadrature phase shift keying modulation, and then adding Gaussian white noise, plus noise signal is demodulated, comparing the demodulated signal with the original signal, bit error rate calculation)

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2010-11-23 19:41:19下载

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matlab_fn
Matlab M-Files:There are four ways of doing code in Matlab. One can directly enter code in a terminal window. This amounts to using Matlabas a kind of calculator, and it is good for simple, low-level work. The second method is to create a script M-ﬁ le. Here, one makes a ﬁ le with the same code one would enter in a terminal window. When the ﬁ le is “run”, the script is carried out. The third method is the function M-ﬁ le. This method actually creates a function, with inputs and outputs. The fourth method will not be discussed here. It is a way to incorporate C code or FORTRAN code into Matlab this method uses .mex ﬁ les. We will not disucss it here.

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