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。
To minimize the frequency and phase distortion in a DTV transmitter in order to achieve best VSB frequency performance, a pre equalizer can be inserted into the modulator.
为了补偿数字电视发射机的频谱畸变与相位失真，以得到最佳的VSB频谱特性，可以在调制器中加入预均衡网络对频谱进行预畸变。
In this paper, influence of SAW linear FM signal phase noise on radar transmitter is analyzed.
本文研究了SA W线性调频信号的相位噪声对雷达发射机性能的影响。
The phase array radar USES same signal, and controls the phase of each transmitter signal. So the direction of beam-form can change.
传统的相控阵体制雷达都是采用全相干信号，通过控制各发射单元信号之间的相位使得雷达波束指向发生改变。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
WB intelligent electrical transmitter is divided into single-phase and three-phase two classes.
WB智能电量变送器分为单相和三相两类。
This paper presents the principles and characteristics of the following modules: power amplifier, phase modulator and up converter, which are used in the transmitter of 1GHz microwave relay system.
本文介绍了用于微波中继系统发射机的功率放大器、调相器、上变频器等组件的原理和特性。
Instead, it measures the phase of the signal and USES the near-field properties to determine the position of the receiver and the distance from the transmitter.
相反，它测量该信号的相位，并使用近场的属性，以确定接收器的位置，并从发射机的距离。
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。
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。
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