The performance of MTI system is directly related to the phase and amplitude stability of the radar transmitter.
雷达MTI系统的性能与雷达发射机的相位及幅度稳定度直接有关。
A log that USES the variations in amplitude of an acoustic signal traveling down the casing wall between a transmitter and receiver to determine the quality of cement bond on the exterior casing wall.
使声波信号沿着发射器和接收器之间的套管井壁传播时的幅度衰减确定套管外水泥胶结质量的声波测井方法。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机，电路较简单，频率稳定度高，发射的是间断的28MHZ等幅载波。
Incorporating of multiple design means such as modularization, amplitude equalization and temperature control, the transmitter has high reliability and strong environment adaptability.
该发射机通过采用模块化、幅度均衡、温度控制等设计手段，使之具有较高的可靠性及环境适应能力。
The phase and amplitude weighting of the phased array acoustic logging transmitter can be controlled by the two kinds of exciting signal sources.
利用这两种信号源可以对相控线阵声波辐射器进行相位和幅度加权控制。
A kind of distributed feedback (DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television (AMCATV) transmitter.
开发了一种用于光纤公用天线电视(CATV)的分布反馈激光二极管组件。
A kind of distributed feedback (DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television (AMCATV) transmitter.
开发了一种用于光纤公用天线电视(CATV)的分布反馈激光二极管组件。
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