脉冲

The response of a short single-wire line excited by EMP was theoretically investigated and experimentally validated by means of an EMP simulator.

研究了有界波电磁脉冲模拟器下短线缆效应的理论建模和实验方法。基于传输线模型计算了线缆在有界波电磁脉冲模拟器辐照下的电流响应。

The effects of single-wire unitary pulsed metal inert-gas, synergic pulsed MIG and double-wires tandem MIG welding processes on the microstructures and properties of high strength Al-Cu alloy welds were investigated.

研究了单丝单脉冲、单丝复合脉冲和双丝TandemMIG焊对高强Al Cu合金焊缝组织及性能的影响。

This article is the first report on the study of "pulse silver plating".

本文是&银的脉冲电沉积&研究的第一报，主要研究内容为脉冲氰化镀银层与直流氰化镀银层在外观、微观形貌和抗硫能力方面的差异。

It centers mainly on the difference between pulse cyanide silver coating and DC cyanide coating in appearence, micromorphology and anti-sulphur ability.

用霍尔槽实验法初选了氰化物溶液中方波脉冲镀银的工艺参数范围，进而用组合实验确定出了最佳的脉冲周期、占空比和平均电流密度。

Of electric current, voltage and resistor what can make up programmed control to make electric current, voltage and power is accurate read time use within transient state simulative generator of buy pulse form is successive as laden as pulse job has the synchronism outside complete protective function to spark input higher power can shunt-wound job can make, electronic load is all Agilent Dc that the solution of stand-alone of ideal equipment Agilent of power cell and batteries capacity test offers your place to need all sorts of dynamic and laden application undertook optimizing.

电流、电压及电阻的可编程节制电流、电压及功率的切确读回用于瞬态模拟的内置脉冲形发生器陆续与脉冲负载工作存在完整的保护性能外同步触发输入较高功率可并联工作可使到高达240V的负载可利用单输入或多输入主机箱 3年保修期 Agilent直流电子负载是测试与评估直流电源，功率元件和电池容量测试的理想行动措施 Agilent单机解决方案供给您所需的一切 Agilent dc电子负载为各类动静负载应用进行了优化。

On the basis of the analysis,the self-focusing properties of the chirped Gaussian pulse in the chirped pulse amplification system were analyzed and discussed,and the numerical calculations were performed.

在此基础上，针对啁啾脉冲放大系统中的啁啾高斯脉冲，对其全光束自聚焦特性进行了计算模拟和分析讨论。

Nuclear electromagnetic pulse ; interference ; protection ; coaxial cable ; pulse screening effect.

核电磁脉冲；干扰；防护；同轴电缆；脉冲屏蔽系数

A new approach for removing salt-and-pepper noise of the 2-D image is presented based on 1-D signal processing. Four 1-D models for transforming 2-D image signals into 1-D image signals by linear processing instead of block processing is introduced.

提出了一种基于一维信号处理去除图像椒盐脉冲噪声的方法，该算法给出了4种二维信号转换为一维信号的模型，用线性处理代替块处理去除图像椒盐脉冲噪声。

Removing different kinds of impulsive noise in image is systematically researched, and proposes three image removing noise filter based on fuzzy information processing technique, i e., fuzzy entropy-based filter for removing noise in multilevel image, histogram-based filter for removing salt and pepper noise in image, and histogram- based adaptive filter for removing image impulsive noise.

该章对图像中不同类型加性脉冲噪声的去噪问题进行了系统地研究和分析，提出了三种基于模糊信息处理的图像平滑去噪滤波器，分别为基于模糊熵的多值图像去噪滤波器、基于直方图的图像椒盐噪声滤波器、基于直方图和区域信息的自适应图像脉冲噪声滤波器。

In addition, the analyses of weld surface ripple and microstructure with three current waveforms have indicated that the high frequency wave group modulated by low frequency GTA welding has the advantage of both the low frequency in which the heat input of the weld pool is easily controlled and high frequency GTA welding in which the arc is energy—concentrated and stiff.

另外，通过对高频脉冲焊、低频脉冲焊、低频调制高频方波群焊不锈钢焊缝表面形貌分析表明，低频调制高频方波群焊综合了低、高频GTA焊的特点。

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。