脉冲

Physical model of computer box is established and through analyzing the changing curves of change of electromagnetic field with time and change of coupling coefficient with frequency, the coupling regulation of electromagnetic on computer box is obtained. It is as follows: electromagnetic pulse has a great effect on components of computer box through apertures and slots, the coupling energy in the box increases first and then decreases. The existence of components decreases the shielding effectiveness and resonant frequency.

建立计算机机箱的物理模型，通过分析机箱内的电磁场随时间的变化曲线和耦合系数随频率的变化曲线，得到电磁脉冲对计算机机箱的耦合规律：电磁脉冲可以通过孔缝进入机箱内部，对机箱内元件的瞬间影响较大；机箱内的耦合能量是先增加后减小；元件的存在使得机箱的屏蔽效能降低，谐振频率下降。

Also it can minimize leakage errors involved in fast fourier transform based measurement and can be pre-emphasized by keeping low crest factor.

与伪随机信号的周期反卷积不同，扫频信号通常都是由非周期反卷积求脉冲响应，这使脉冲响应的长度可以大于信号的长度。

When several ultrafast pulses are propagating simultaneously, nonlinear processes such as cross-phase modulation, cross non-degenerate TPA, SRS and four-wave mixing, and so on, will be considered. One of the nonlinear processes will play dominance for various conditions.

当多波长超快脉冲在波导中传输时，脉冲之间将发生交叉相位调制、交叉非简并双光子吸收、受激拉曼散射和四波混频等非线性过程，在不同的条件下，将具有不同的非线性过程起主导作用。

With the development of the ICF technology,the demand of the temporary fill rate of terminal pulse is higher and higher.

随着惯性约束聚变技术的不断发展，对终端脉冲的时间填充因子的要求越来越高，直接导致了对前端系统时间脉冲整形技术的要求也越来越高。

Low pulse before sift network operating principles : the use of double - sieve drum aircraft design; Work, pulp before sift upper tangent pressure the network into; Pulp the filter into the upper body of the dle two filter drum, double tilt-rotor rotary rotors, while the centrifugal force and centripetal forces role, through good mix inside and outside pool in sieve sieve drum body low extremity good mix of outflow; pulse in the tilt-rotor rotary drum filter

低脉冲网前筛工作原理：该机采用双筛鼓设计；工作时，浆料从网前筛上部切线压力送入；浆料从筛体上部流入到两个筛鼓中间，在双旋翼转子旋转时产生的离心力和向心力的同时作用下，良浆通过内、外筛鼓汇集于筛体下端的良浆管流出；脉冲旋翼在旋转时筛鼓不会赌赛，浆渣受转子旋转产生的轴向推动力，向下流送的同时被浓缩并逐步移到排渣口。

Low pulse before sift network operating principles : the use of double - sieve drum aircraft design; Work, pulp before sift upper tangent pressure from the network into; Pulp from the filter into the upper body of the middle two filter drum, double tilt-rotor rotary rotors, while the centrifugal force and centripetal forces role, through good mix inside and outside pool in sieve sieve drum body low extremity good mix of outflow; pulse in the tilt-rotor rotary drum filter

低脉冲网前筛工作原理：该机采用双筛鼓设计；工作时，浆料从网前筛上部切线压力送入；浆料从筛体上部流入到两个筛鼓中间，在双旋翼转子旋转时产生的离心力和向心力的同时作用下，良浆通过内、外筛鼓汇集于筛体下端的良浆管流出；脉冲旋翼在旋转时筛鼓不会赌赛，浆渣受转子旋转产生的轴向推动力，向下流送的同时被浓缩并逐步移到排渣口。

According to the force that the dust granule bears in the pulse electric field electrically charged process and the movement differential equation ,dust collecting efficiency of the dust granule in static electricity dust remover that is supplied by the high-pressured pulse is obtained.

根据粉尘粒子在脉冲电场荷电过程中所受力的作用及运动微分方程，推出了粉尘粒子在高压脉冲供电静电除尘器中的收尘效率，并依据公式说明了除尘过程中各个参数对除尘效率的影响。

According to the initial density of a single-species with Allee effect,Chapter 3 presents two kinds of time-limited management models:the model with impulsive release and the model with impulsive harvest.

按照物种的初始密度，本章提出了两类具有Allee效应的单种群有限时间管理模型：脉冲投放模型和脉冲收获模型。

In room temperature, the pulse needs thousands of voltages and more then ten thousand amperages, which needs prodigious and costly electric current pulse generator.

但在室温条件下使钢的基体组织发生变化，需要数千伏以上电压、上万安培的电流才能达到，这需要庞大的脉冲发生器机组和很高的成本造价，而在800～900℃的高温条件下对合金试样加以千安级以下脉冲电流同样可以达到目的。

A new type of self-resonating cavitating jet nozzle has been developed through the improve-ment of organ-pipe nozzle.

根据现场试验中所出现的问题，对风琴管脉冲喷嘴进行了改进，得到了一种新型自振空化脉冲喷嘴。

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。