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本文指出了二相相位差调制一相位比较法解调的误码率是中频信噪比(或说载波信噪比)的函数,并用实验证明了它。从而指出了误码率P_e=1/2exp(-E/N_o)只有在采用中频匹配滤波器时才是正确的。
This paper points out that the BER of demodulation of two-phase phase-difference modulation and one-phase comparison is a function of IF signal-to-noise ratio (or carrier signal-to-noise ratio) and is proved experimentally. It is pointed out that the bit error rate P_e = 1 / 2exp (-E / N_o) is correct only when the IF matched filter is used.