脉冲

Aimed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.

针对采用脉冲压缩体制的低截获概率雷达的应用场合，提出了一种识别二相编码脉冲压缩雷达信号的新算法。

Imed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.

bstract 针对采用脉冲压缩体制的低截获概率雷达的应用场合，提出了一种识别二相编码脉冲压缩雷达信号的新算法。

The performances of noise jamming, pulse jamming, shift-frequency jamming, range pull off jamming on pulse compression radar signals are analyzed in this paper, which include the linear frequency modulation signal, the binary phase-coded signal and the compound signal of LFM and BC.

针对线性调频信号，二相编码信号以及由线性调频信号和二相编码信号构成的混合信号这几种脉冲压缩雷达信号，分析了噪声干扰、脉冲干扰、移频干扰和距离拖引干扰对它们的干扰性能，并给出了仿真模型和仿真结果

Meanwhile,the relation among Fresnel biprism's base angle,refractive index,and the radius of incident femtosecond pulse beam was obtained.

基于单发频率分辨光学开关法的飞秒脉冲测量系统，理论推导光束经菲涅尔双棱镜分光与聚合产生的时间延迟，得到菲涅尔双棱镜底角、折射率和脉冲光斑半径的关系。

Boron carbide films were prepared by pulsed laser deposition in vacuum using sintered B4C as raw material.

本论文的第二部分内容是采用脉冲激光沉积方法制备CN、BC和BCN系列薄膜，开展脉冲激光烧蚀在薄膜材料制备上的应用。

In chapter two, we study the boundedness of impulsive ordinary differential equati...

第二章，研究了脉冲常微分方程及脉冲泛函微分方程的有界性，得到了方程解的一致有界及最终一致有界的几个充分条件。

This article summarized the principle of the high-pressured electric field sterilization and the insect disinfestation, the high-pressured pulse electric field breadboard circuit and equipment's design, analysiss the factors of sterilization and insect disinfestation. Finally points out that the question existed and proposees the trend of the development.

本文综述了高压脉冲电场杀菌、杀虫的原理，高压脉冲电场试验电路及装置的设计，初步对影响杀菌、杀虫效果的因素进行了分析，最后指出存在的问题并提出今后发展趋势。

The principle is using thefast breakover of avalanche transistor drive the electron tube. The full time of 4200Vvoltage is about 20ns. The circuit can normally work under 100kHz frequencies.Design an extra fast Q-switch circuit by series arrangement of avalanche transistor.

本论文主要做了以下几方面工作：1、推导了重复率激光基本参数(脉冲能量、脉冲宽度和峰值功率)与周期的关系，并且分析了重复率激光系统运转的稳定性。2、设计了雪崩管-电子管退压电路，由雪崩管驱动电子管开关，4200V高压退压沿20ns左右，能够在100kHz频率下工作。

The results show that, in the case that workpiece is at rest, the parameters and discharging current of the discharge circuit can be calculated easily and accurately by the preset-frequency method, so the problem of calculating the parameters of discharge circuit can be solved fundamentally.

本文对用园柱加工线圈胀形管坯的电磁成形过程进行了较深入的理论分析和大量的实验研究，重点研究了放电回路的放电过程、加工线圈和毛坯系统中脉冲磁场的磁感应强度及分布和管坯在脉冲电磁力作用下的变形过程。

Capillary discharge ; Rise time ; Peak of current pulse ; Pulse width ; Soft X-ray laser

毛细管放电；上升时间；电流脉冲峰值；脉冲宽度；软X射线激光

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。