脉冲波

It employs a folded linear stationary wave cavity and has realized amplification of ns, nJ laser pulse.

它采用折叠的线性驻波腔结构，实现了对纳秒级、纳焦耳能量激光脉冲的再生放大。

The subharmonic heterodyne combined with cut-off waveguide method is proposed to measure the frequency of 0.14THz high-power nanosecond pulse in this paper.

本文提出了采用截止波导法与谐波混频法相结合的方法，进行0.14THz高功率短脉冲的频率测量。

In order to realize the defect depth measurement in the infrared thermal wave nondestructive evaluation,the pulse phase thermography was introduced.

提出了基于脉冲位相分析的数据处理方法以实现红外热波无损检测法对缺陷深度的测量。

The principle of thermocouple thermometry was used for temperature measurement and the pulse-echo technique for ultrasonic velocity.

温度测量应用热电偶测温原理，声速测量采用脉冲回波技术。

In space interception,the missile produces saturation ladder-type wave propulsion and trigonal pulse propulsion.

摘 要 在空间拦截中，导弹产生饱和梯形波推力和三角形脉冲推力。

Based on the optoelectronics theory, the experiment device is designed, which is composed of pulse generator, LD light source, 1×3DQ, adjustable CTB, testing optic fiber, intervening light filters, fast micro-light watt-meter and data analysis system. The technology of optic fiber Raman scattering is analyzed for its application to temperature testing of railway engineering.

根据光电子理论，设计由脉冲发生器、LD光源、1×3路双工器、可控恒温槽、光纤、干涉型波分复用器、快速微光功率计和数据采集分析系统组成的实验装置，进行光纤喇曼散射技术用于铁道工程构筑物温度的监测研究。

At the end of this dissertation, we theoretically investigate the propagation of light pulse in 1-D waveguide array.

最后，我们对一维波导阵列中光脉冲的传输也进行了理论上的研究。

A time domain differential equation model is established by using the axisymmetrical form of the Maxwell's equations,and the finite element time domain method is applied to solve the model.

使用麦克斯韦方程组的轴对称形式建立时域微分方程数学模型，应用时域有限元法求解，给出了数值算例，模拟了在不同缺陷参数下涂有电介质的导体对入射脉冲太赫兹波的响应，并归纳了响应在空间上和时间上的变化规律。

Keywords: pulse shorting; Relativistic Backword Wave Oscillator; Particle-in-cell; plasma

中文关键词：脉冲缩短；相对论返波管；粒子模拟；等离子体

Performance test shows that this telemetry system has reached the design requirement, and can be applied to study myocardial inotropism and chronotropism in mobile sites.

该系统由遥测发射机、遥测接收机、笔记本计算机等三部分组成，工作在433MHz免申请的开放频段，能同时测试10名受试者的心音信号；遥测发射机由受试者随身携带，每次发射一个心动周期的心音信号，并以心电信号的R波同步脉冲作为数据包的帧头标记，这样作为系统主机的笔记本计算机只需采用简单算法就能快速而准确地从接收到的遥测心音信号中提取研究心肌变力性和变时性所需的心力数据和心率数据，而无需遥测心电信号；遥测接收机通过专用的USB接口转换模块，实现了与笔记本计算机的USB口之间的高速数据传输，同时又无需额外的工作电源。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。