The modulator is 2DPSK, the PN code use m sequence , and the synchronous system use matched-filter.
调制方式采用2DPSK，扩频所需的伪随机编码采用m序列，接收端同步系统采用匹配滤波器。
参考来源 - 电力线数字扩频通信系统——接收部分·2,447,543篇论文数据，部分数据来源于NoteExpress
深空通信中，利用伪随机编码信号可实现低信噪比接收和多址通信。
In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
系统研究了伪随机编码理论，并硬件实现了瞬态激光伪随机编码调制及同步图像捕捉控制电路。
Systemically studied pseudo random coding theory, and designed the control circuits of pseudo random laser emission and image catching synchronously.
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