脉冲波

Given other certain parmeters,the effect of quintic nonlinearity on the chirp of the Gaussian pulse and soliton was considered and compared.

在波分复用系统中，由于一根光纤可以传输多路光脉冲，因此，WDM是当前光纤通讯领域研究的主流技术。

Radarscope shows return pip.

图一：脉冲离开天线，目标反射，回波返回，雷达示波器显示光斑。

It is difficult to distinguish the signal from the noise in the time domain and frequency domain by the regular digital signal processing algorithm.

近年来迅速发展起来的小波变换分析法，具有很强的时频局部化特性和信号特征提取能力，特别适用于局部放电这类脉冲信号的处理。

To avoid nadir round-trip time and pulse sending time, blind zones present.

在星载条件下为避开星下点回波和发射脉冲窗口，会造成存在测绘带盲区。

The coupling mechanism, frequency domain characteristics and propagation rule of three propagation paths of partial discharge signal

该方法所采用的测量频段较高，抛弃了以往定位方法中常用的"慢波"，不会受到窄带干扰和低频磁场耦合信号的影响；不存在定位盲区；具有足够的脉冲分辨率；所采用的频带较窄，相应的传感器较易制作。

The photic stimulus has the advantages including scatheless, strength-controlled, unchanged intracellular or extracellular environment of astrocytes and etc. It is a new method to induce the calcium signal of astrocytes.

以上结果表明，飞秒脉冲激光的光穿孔效应能够诱导出星形胶质细胞的钙升高和钙波，具有无损、强度可控、不改变细胞内外环境等优点，是一种新的诱导钙信号的方法。

To this end the original 'Blue Fox' radar is replaced by Ferranti 'Blue Vixen' coherent pulse-Doppler track-while-scan radar to improve acquisition and look-down capabilities, and other improvements are a MIL 1553B digital databus (making it possible to carry Sea Eagle anti-ship and ALARM anti-radar missiles) and the installation of the Marconi Sky Guardian 200 RWR, the JTIDS for secure voice and data links, two additional underwing hardpoints, wing tip stations for two AIM-9 Sidewinder short-range AAMs, wing improvements, a revised cockpit with HOTAS controls, larger drop tanks, provision for 25 mm Aden 25 cannon in place of the elderly 30 mm weapons, and possibly a Plessey missile-approach warning system.

为实现这一目的，原有的"蓝狐"雷达被新型的"蓝雌狐"连续波脉冲多普勒雷达替换，该雷达具有搜索的同时锁定目标的能力，可下视下射。其他改进包括加装军用1553B数据链，这使得MK2可以使用"海鹰"反舰导弹和ALARM反雷达导弹。另外加装了马可尼"天空哨兵200"通信系统，JTIDS保密语音及数据链路。增加了两个翼下外挂点，翼尖挂架可携带两枚AIM-9"响尾蛇"近距空空导弹。细节的改进还包括：机翼设计有所改进；改进的座舱设计；更大的副油箱；采用阿登25mm机关炮代替了以往的30mm机炮；可能加装了导弹告警系统。

Experiments have been performed using ultra-short (30fs) ultra-intense laser pulse(up to 1018W/cm2) focused into under-dense plasmas(ne＜1020/cm3). A 2ω0 probe pulse was used for the shadowgraphy and the investigation on the propagation of laser under various condition was presented.

开展超短超强激光与次稠密等离子体相互作用实验，采用探针光对激光等离子体相互作用区域进行阴影成像，研究了不同激光功率与临界功率比值及不同激光脉冲长度与等离子体波波长比值下的激光在次稠密等离子体中的自聚焦传输。

The experiments of EMP coupling to shielded cable have been done in the horizontally polarized dipole radiator.

介绍了利用水平极化辐射波电磁脉冲模拟器开展的电缆耦合效应实验研究，具体介绍了实验系统、测量方法。

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果：（1）在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子，测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓，实验测量温度范围1400～2700K，拓宽了火焰方法测量结果的局限。

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。