电磁噪声

减小等离子显示器电磁噪声的方法研究

The Research on Reducing the EMI Noise of Plasma Display Panel

电磁噪声阻断微波辐射所致的晶状体上皮细胞内ROS增加及DNA损伤

Superposed Electromagnetic Noise Blocks ROS Increase and DNA Damage of Cultured Lens Epithelial Cells Induced by Microwave Radiation

高次谐波产生的电磁噪声是当前高性能PWM逆变器存在的主要问题之一。

Electromagnetic noise caused by high harmonics still is the main problem of high performance pulse width modulation ( PWM ) inverter .

目的研究电磁噪声对50Hz工频磁场诱导细胞内应激活化蛋白激酶（stressactivatedproteinkinase，SAPK）磷酸化的影响，探索电磁噪声对极低频磁场生物效应可能存在的干预作用。

Objective To investigate the possible interference effect of electromagnetic noise exposure on phosphorylation of stress activated protein kinase ( SAPK ) induced by 50 Hz magnetic field ( MF ) .

在变频产品开发中，通过变频模块产生的PWM信号，在控制直流无刷电机中，会产生严重的电磁噪声，将影响电磁兼容测试中的指标。

In inverter product system , electromagnetic noise produced by PWM amplifier signal from the inverter module in control system of DC motor with non-brush can effect the levels of voltage conducting and power radiation .

由于高压绝缘和强电磁噪声问题，有电信号参与的测量方法将无法应用到SF6密度测量系统中。

This article takes up with investigating the method to measure the density of SF_6.Because of the high voltage insulation and strong electromagnetic noise , the technique involved electrical signal cannot be applied to the SF_6 density measure system .

AFIR盘式永磁电机定子系统固有频率及电磁噪声计算

The calculation of natural frequencies of stator system and electromagnetic acoustic noise of AFIR disc PM machine

针对这一点，提出了用随机改变开关频率的空间矢量调制方法（即RSVPWM法）消除电磁噪声的方案。

An SVPWM method with the switching frequency changed randomly ( RSVPWM ) is proposed .

目的探讨电磁噪声对50Hz磁场诱导的细胞缝隙连接通讯功能（GJIC）抑制的干预作用。

Objective To explore whether the superposition of an electromagnetic noise can block gap junctional intercellular communication ( GJIC ) suppression induced by 50 Hz 0.4 mT extremely low frequency magnetic field ( ELF MF ) .

最后通过计算分析，本文给出了多极少槽AFIR盘式永磁同步电机电磁噪声的抑制措施。

Finally , through the calculation and analysis , this dissertation provides the suppression measurements of electromagnetic noise of disc type PMSM with multi-pole and few-slot .

降低小型异步电动机电磁噪声的探讨与实践

Discussion and Practice on Reducing Electromagnetic Noise of Small-Sized Induction Motor

降低笼形三相异步电动机电磁噪声的探讨

Discussion on Reducing the Electromagnetic Noise From Cage Three-Phase Induction Motors

强电磁噪声环境下提取局部放电信号方法的研究

Study on Extracting Partial Discharge Signals in Excessive Noisy Electromagnetic Environment

设计了专用样机，将电磁噪声分离出来。

The sample machine is designed which can seperate magnetic noise .

气隙不均匀对异步电动机电磁噪声的影响

Influence of Non-uniform Air-gap on Electromagnetic Noise of Asynchronous Motor

北京谱仪附近空间电磁噪声测量和抑制工作

The measurements of repressing the electromagnetic noise around the BES

天线在随机脉动压力作用下的运动感应电磁噪声

Motion-induced electromagnetic noise of antenna under random and fluctuant pressure

航空交流电机的电磁噪声分析

Analysis of Electromagnetic Noise of Aero AC Electric Machines

试验测量结果验证了电磁噪声仿真计算的有效性。

The testing results verify the effectiveness of the simulation of electromagnetic noise .

笼型感应电动机电磁噪声及其控制

Magnetic noise of cage rotor induction motors and control

变频器产生的电磁噪声及其抑制技术

The electromagnetic noise and its restraint technique of inverter

电机电磁噪声的辐射声功率

On the Acoustic Power Radiated by an Electrical Machine

但是电气信号中的电磁噪声严重影响了小波包的检测特性。

However , the noise in the electrical signal greatly degrades its detection performance .

潜艇周围影响超低频通信的电磁噪声来源及特征分析

The source and characteristics of extremely low frequency noise affecting communications around the submarine

三相异步电动机电磁噪声的细化频谱特性

The Zoom Frequency Spectra of the Magnetic Noise of the Three Phase Induction Motors

速调管走廊泄漏电磁噪声的模拟计算与对比测试

The analog computation and contrast test of leaked electromagnetic noise in the klystron corridor

矿集区强干扰大地电磁噪声特点及去噪方法研究

The Strong Noise Characteristics of MT in Ore Concentration Area and Research of Denoise Method

因此本文探讨了故障特征信号中的机械噪声来源和电磁噪声来源。

The source of mechanical and electromagnetic noise in machinery condition monitoring signals is discussed .

此计算方法对电机的电磁噪声分析和控制有一定的参考价值。

This program will be helpful to the analysis and control of the electromagnetic vibration .

研究结果为水下电磁噪声的深入研究提供了理论基础。

All results will provide a powerful theoretical groundwork for further researches of underwater electromagnetic noises .