针对工频通信的信号特征及电网谐波的特性，采用数字差分技术，对信号进行检测，可以有效抑制电网整次谐波干扰。

Based on character of signal in TWACS and harmonic in power system, the digital differential technique can detect the TWACS signal and eliminate the integer harmonics effectively.

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研究了一种可用于提高GPS定位精度的差分gps (DGPS)数字信标接收机的设计和研制技术。

A design technique of a Differential Global positioning System (DGPS) digital beacon receiver is presented which can be used to improve the positioning precision.

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结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。

Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.

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