This paper presents the design and realization of a high resolution millimeter wave pulse radar signal simulator.
本文讨论了一种毫米波高分辨率脉冲雷达信号模拟器的设计和实现。
The characteristic frequency of body-wave spectra carries the information of the duration of source body-wave pulse.
体波波谱特征频率携带着震源体波脉冲持续时间的信息。
The theoretical and experimental development in the interaction of electromagnetic wave pulse with relativistic ionization front is introduced.
介绍了电磁波与相对论电离波前相互作用的理论和实验进展情况。
Objective: to investigate the effect of long wave pulse electromagnetic field on operational workers, so as to provide basis for making preventive measures for them.
目的：研究长波脉冲电磁场对作业人员健康的影响，为制订防护措施提供依据。
Describing the three methods of the pulse generator signal transmission, the paper focuses on the basic principles and application status of the continuous-wave pulse generator.
介绍了脉冲发生器脉冲信号传输的三种工作方式，重点介绍了连续波脉冲发生器的基本原理及应用情况。
The Sine wave Pulse Width Modulation (SPWM) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated PWM.
相对于等宽脉宽调制PWM，正弦波脉宽调制SPWM可以有效地降低电动机的损耗和噪声。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
设计要求：(1)能够输出锯齿波，三角波，正弦波，脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
设计要求：(1)能够输出锯齿波，三角波，正弦波，脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
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