脉冲

On the basis of the frequency domain Born approximation theory of the scattering of two dimentional elastic waves, the time domain Born approximate solution to the scattering of elastic wave s with arbitrary frequencies is derived.

在二维弹性波散射频域Bron近似解的基础上，通过Fourier变换，推导了任意频率平面P波组合的脉冲波入射二维散射系统时，散射场的时域Born近似解。

After installing the microphone on deaf person ear to receive sound, convey 1 the miniature information processing that can carry implement on, this processor transforms sound signal into electric pulse, convey to put again in bosomy rank on 15 small electrode, report.

装在聋人耳上的麦克风接收声音后，传送到1个可随身携带的微型信息处理器上，该处理器把声音信号转变成电脉冲，再传送到安放在鼓阶15个微电极上，电。。。

Chapter 2 introduces the basic theories and preliminaries of impulsive differential equation and boundary value problem.

第2章给出了脉冲微分方程及其边值问题的基本理论和相关知识。

In Chapter 4,the applications of boundary value problem to the system of two species with impulsive control in finite time are investigated.

第4章考虑了边值问题在两种群脉冲生物动力系统中的应用。

At the same time, the variational stability of bounded variation solutions at the effect of perturbation and non-perturbation for the impulsive differential system are discussed, the Ljapunov type theorems for variational stability and asymptotically variational stability for impulsive differential systems are established.

同时，讨论了在无扰动和有扰动的情况下，这类固定时刻脉冲微分方程有界变差解的变筹稳定性，建立了此类微分系统有界变差解变差稳定性和渐近变界稳定性的两个Ljapunov型定理。

In this paper, we study the stability and boundedness of impulsive differential equations.

本文研究脉冲微分方程的稳定性及有界性。

High-pressured pulse electric field; Sterilization、Insect disinfestation principle;Breadboard circuit design;Installment design.

中文关键词：高压脉冲电场；杀菌、杀虫原理；试验电路设计；装置设计

Since the detector dimension is energy dependent,there will be an optimal dimension for a detector to measure bremsstrahlung X-ray dose.

康普顿探测器可以获得脉冲X射线照射量随时间变化的波形，探测器特性主要由收集体、介质和金属外壳的材料、尺寸决定。

In addition, pulse decay method of measuring α using Brill...

测量超声衰减系数时，脉冲回波用两种检测方法进行了比较。

The numerical simulation shows that the lateral optical force applied by femtosecond laser pulse train can eliminate the Brownian movement of the particles and stably trap them.

数值计算结果表明，飞秒激光脉冲所产生的横向光学力能抵消由于布朗运动引起的微粒中心偏移的影响，实现对微粒的稳定束缚。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。