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二次谱法
- 对DSSS/BPSK信号进行二次功率谱估计，可以估计出载频信息(The two power spectrum estimation of DSSS/BPSK signal can estimate carrier frequency information.)
平方倍频法
- 对DSSS/BPSK信号进行平方倍频法，可以对其载频进行估计(The frequency doubling method of DSSS/BPSK signal can be used to estimate its carrier frequency.)
时域自相关法
- 对DSSS/BPSK信号进行自相关处理，可以对其伪码周期进行估计(Autocorrelation of DSSS/BPSK signals can be used to estimate the PN code period.)
延时相乘法
- 对DSSS/BPSK信号进行延迟相乘，可以估计其伪码速率并检测(The DSSS/BPSK signal can be multiplied by delay, and its pseudo code rate can be estimated and detected.)