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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.)
DSSS_Matlab程序
- 所谓直接序列扩频，就是直接用具有高码率的扩频码序列在发送端去扩展信号的频谱。而在接收端，用相同的扩频码序列去进行解扩，把展宽的扩频信号还原成原始的信息。(Direct sequence spread spectrum (DSSS) is used to expand the spectrum of the signal directly at the transmitter side with high bit rate spread spectrum code sequence. At the
DSSSDQPSK无同步M文件
- 基于DQPSK的直接序列扩频系统，包括调制解调等模块。(Direct sequence spread spectrum system based on DQPSK, including modulation and demodulation module.)
DSSS扩频通信
- 直接序列扩频通信系统的matlab仿真。(Direct expansion system)