BPSK载频估计，用它的平方谱和四次方谱进行估计，能够在0dB情况下完成有效估计-BPSK carrier frequency estimation, with its squared spectrum and quartic spectrum estimation can be completed in the 0dB case valid estimation

BPSK基于平方谱和四次方谱的载频估计，可以用于BPSK 16QAM MSK信号的载频估计。-BPSK carrier frequency estimation based on square spectrum and fourth power spectrum, can be used for 16 qam MSK BPSK signal carrier frequency estimation