Hybrid modulated circuit 混合调制电路
pulse duration modulated circuit 脉宽调制电路
frequency modulated track circuit 调频轨道电路
A modulated high-frequency signal is distorted by the thermal behaviour through complex intermodulation phenomena, although the temperature response of the circuit is slow.
虽然电路对温度响应性很低，调制的高频率信号也会由于热行为产生的复杂的互相调制现象而发生失真。
This paper discusses the theory analysis and circuit design of high-frequency high power source which is modulated by narrow pulse.
本文对窄脉冲调制的高频大功率源进行理论分析和电路设计。
The laser source was modulated by the modulation circuit, so that the fluorescence signal was modulated.
信号调制电路通过对传感器系统的激光光源进行调制来调制荧光信号。
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