The frequency domain electric transmitter and receiver synchronization electrocircuit has been designed. It is concluded that the GPS time synchronization is feasible in this instrument.

设计了在频率域电法勘探中发送机与接收机GPS时间同步电路，实现了多频激电仪接收机与发送机的精确时间同步进行高精度相位测量。

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There are many key technologies about the single-user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.

单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。

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Time synchronization and carrier synchronization are cruxes of receiver. The reliability and stability of traditional analog demodulation are bad, and adjustment is complex.

时钟同步和载波同步是接收机的关键问题，传统模拟解调可靠性、稳定性差，调试复杂。

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