电磁干扰

We researched the pre-processing algorithm of mapping signal: A comb filter was designed according to the property of the electromagnetic environment in operation room and the spectrum of EPM signal The Zero-Phase property has been achieved by using bi-direction IIR filter during off-line data processing.

研究了心外膜标测信号预处理算法：针对在手术室环境下电磁干扰强的特点和除极信号频谱分析的结果，设计了梳状数字滤波器，利用数据离线分析的特点进行双向IIR滤波，在减少计算量的同时实现了零相位特性。

Osmometer. Fiber grating sensor is a new generation of international fiber-optic sensor, with the nature of explosion-proof, anti-strong electromagnetic interference, anti-lightning, can easily use the WDM technology in a single fiber in the series Multiple fiber Bragg grating sensor, thus forming quasi-distributed measurement and so on.

光纤光栅传感器是目前国际上新一代光纤传感器，具有本质防爆、抗强电磁干扰、防雷击，能方便地使用波分复用技术在一根光纤中串接多个光纤光栅传感器，从而形成准分布式测量等优点。

By using the photolithograph and coating technology, the metal mesh film on IR substrate is made, the line width of metallic mesh less than 10μm, the period is about 350μm.

介绍了一种既高效透过红外光，同时又能有效屏蔽电磁干扰的金属网栅薄膜的基本原理和制备工艺。

Compared with hard-switching inverter, the soft-switching inverter's power swatches turn-on at zero voltage or zero current conditions, zero switching losses in theory, which can improve the efficiency of the system and device power density, reducing the system electromagnetic interference and ensure a brushless DC motor performance and reliability.

与硬开关逆变器相比软开关逆变器的功率开关在零电压或零电流条件下导通，理论上开关损耗为零，从而可以提高系统的效率和装置的功率密度，减小系统的电磁干扰，保证了无刷直流电机的性能和可靠性。

The difficulties during developing this technique is that dielectric loss tangent measured is very small, and many factors influence the high-precision measuring, such as the excursion of the primary wave on power line, the existence of the harmonious wave, and the electromagnetic interference in the field and so on.

该检测技术的难点在于待测介质损耗角很小，电网基波频率不稳、高次谐波的存在以及现场电磁干扰等因素都会影响测量准确度的提高。

Relay reed assembly; electromagnetic interference; conducted emitting; parasitic parameter

继电器触簧组；电磁干扰；传导发射；寄生参数

Adopting this principle,it is possible to measure wide range AC current precisely and simply. relay protection ; Rogowski coil ; zero drift ; digital signal processing

Rogowski线圈具有结构简单、安装方便、检测灵敏度高、频带宽等优点，但其易受电磁干扰的影响，为此本文提出以Rogowski线圈为传感器结合数字信

This principle can measure large range AC current precisely. relay protection ; Rogowski coil ; zero drift ; digital integrator

Rogowski线圈具有结构简单、安装方便、检测灵敏度高、频带宽等优点，但其易受电磁干扰的影响，为此本文提出以Rogowski线圈为传感器结合数

The location and orientation control valves installed in accordance with design drawings and design H44X rubber disc check valves documents provided, the installation location should have sufficient operating space for installation, operation and maintenance; its location should be avoided in a vibration, humidity, susceptible to mechanical damage , there is strong electromagnetic interference, high temperature, severe temperature changes and corrosive gases in place; installation should be firm, smooth; installation position should enable the control valve of the upper part of the implementing agencies in the regulation of body, Figure 6-8 shows a straight stroke control valve a variety of mounting positions.

1控制阀安装位置和方位按照设计图纸和设计文件的规定，安装位置应具有足够的操作空间，用于安装、操作和维护；其位置应避免安装在有振动、潮湿、易受机械损伤、有强电磁干扰、高温、温度变化剧烈和有腐蚀性气体的场所；安装应牢固、平整；安装方位应使控制阀的执行机构在调节机构上部，图6—8显示了直行程控制阀的各种安装方位。

To solve this problem, a new style sir core coil was proposed, which consisted of serial spiral coils in secondary winding, had big mutual inductance and strong ability of anti-electromagnetic interference.

为解决此问题，提出一种新型螺旋绕线串接结构的空心线圈传感头，其互感系数大并能有效抗外界电磁干扰。

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。