Ip_08_01.m
上传用户:loeagle
上传日期:2013-03-02
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- % MATLAB script for Illustrative Problem 8.1.
- echo on
- gamma_db=[-20:0.1:20];
- gamma=10.^(gamma_db./10);
- p_error=q(sqrt(2.*gamma));
- capacity=1.-entropy2(p_error);
- pause % Press a key to see a plot of error probability vs. SNR/bit.
- clf
- semilogx(gamma,p_error)
- xlabel('SNR/bit')
- title('Error probability versus SNR/bit')
- ylabel('Error Prob.')
- pause % Press a key to see a plot of channel capacity vs. SNR/bit.
- clf
- semilogx(gamma,capacity)
- xlabel('SNR/bit')
- title('Channel capacity versus SNR/bit')
- ylabel('Channel capacity')