电磁扰动,electromagnetic disturbance
1)electromagnetic disturbance电磁扰动
1.The record principle and anomaly features of ULFelectromagnetic disturbance;地震“ULF”电磁扰动接收原理及异常特征
2.Based on current theory of seismologicalelectromagnetic disturbance,a digitizing electric disturbance device(CNEM08-I) which measures alternative electromagnetic field underground has been developed.基于当代地震电磁扰动有关理论,地震临震前会引起地下电磁场发生变化,电磁扰动观测在地震监测预报工作中能够发挥较好的短临预报作用。
英文短句/例句
1.Electromagnetic perturbations before Wenchuan M8 earthquake and stereo electromagnetic observation system汶川8级地震前电磁扰动与电磁立体监测体系
2.Research on Mechanism of Electromagnetic Disturbance before Moderate-strong Earthquakes中强地震发生前电磁扰动机制的研究
3.The recorded electromagnetic disturbance is the electromagnetic field form the electrokinetic effect under action of the stress field.记录的电磁扰动是在应力场作用下,动电效应产生的电磁场。
4.Ionospheric Electro-magnetic Disturbances Prior to Yutian 7.2 Earthquake in Xinjiang新疆于田7.2级地震前的电离层电磁扰动
5.Analysis of the Quantity of Electromagnetic Disturbance Abnormal Information S before the Medium-Strong Earthquake中强地震前电磁扰动异常信息量S的分析
6.Analysis and Discussion on the Electromagnetic Interference in Shisanling Seismic Station十三陵地震中心台电磁扰动数据分析处理讨论
7.The coupling between the transverse velocity and electromagnetic perturbation is considered.考虑了横向扰动速度与电磁场扰动的耦合。
8.Study on Restraint Method on Electromagnetic Interference of Electric Turn-Table System;电动转台系统电磁干扰抑制方法研究
9.Perturbation Analyze of in - Phase Electromotor Transistor Excitation System;同步电动机晶闸管励磁系统扰动分析
10.Modeling and simulation of the conducted electromagnetic interference for permanent magnet direct current motors永磁直流电动机传导电磁干扰的建模与仿真
11.Electromagnetic Interference/Compatibility电磁干扰与电磁兼容
12.The turntable and the Antenna Positioning Tower for EMI Automatic Measurement电磁干扰自动测试转台及天线定位塔
13.Electromagnetic compatibility and disturbance restraining of electrical vehicle charging systems电动汽车充电系统电磁兼容与干扰抑制研究
14.The effect of EMI has been reduced through frequency jitter.通过频率抖动,降低了开关电源的电磁干扰影响。
15.Research of Testing Immunity of Main Controller in Electric Automobile to Electromagnetic Radiation;电动汽车主控制器的电磁辐射抗扰性试验研究
16.Research on the Restraint Method of Electromagnetic Disturbance of Commutator Electromotor;换向器式电动机电磁骚扰抑制方法研究
17.Permanent Magnet Synchronous Motor Control in Electric Vehicle Based on the Auto-Disturbance Rejection Controller自抗扰技术的电动汽车用永磁同步电机控制
18.EXPERIMENTAL INVESTIGATION TO REDUCE EMI EMISSION OF SWITCHING POWER SUPPLY BY DITHERING THE SWITCHING FREQUENCY;开关频率扰动方法降低开关电源电磁骚扰的试验研究
相关短句/例句
electromagnetic perturbations电磁场扰动
3)multitude electromagnetic perturbation多频电磁扰动
1.The paper researched the conventional methods used in perimeter intruder inspection and showed the application of fast Fourier transform (FFT); whose application can improve the detection of this technique on Single Frequency electromagnetic perturbation, and can conduct the detection onmultitude electromagnetic perturbation.FFT的应用不仅可以改善该技术对单频电磁扰动信号的检测,而且可以实现对多频电磁扰动信号的检测。
4)electromagnetic disturbance monitoring电磁扰动监测仪
5)electromagnetic disturbance observation电磁扰动观测
6)perturbed magnetic field扰动磁场
1.In order to obtain theperturbed magnetic fields caused by mechanical stress, the governing equations and boundary conditions for the problems were derived based on the linearized magnetoelastic theory.为计算机械应力引起的扰动磁场,从磁弹性问题的线性理论出发,导出了结构变形引起的扰动磁场的定解方程和边界条件。
2.Based on the linearized magnetoelastic theory,analytical solution of theperturbed magnetic field in an infinite plate by a circular hole under extension and an external magnetic field was obtained in this paper.利用磁弹性耦合问题的线性化理论,采用分离变量方法对带圆孔的无限大板在受拉应力和横向磁场共同作用下的变形扰动磁场进行了求解,得到了变形引致的扰动磁场的解析解,并对其强度量级和分布情况进行了讨论。
3.Based on linearized magnetoelastic theory, theperturbed magnetic fields induced by mechanical stress and deformation in steel or other ferromagnetic structures working in the environment of the Earth magnetic field,are investigated theoretic.基于磁弹性相互作用的线性化理论,针对地磁环境特点,忽略磁场对结构位移的影响而仅考虑位移对磁场的耦合作用,通过将位移梯度引入变形后界面外法线矢量方法,给出了变形引起的扰动磁场计算的定解场方程和界面衔接条件,并计算了符拉芒问题的变形扰动磁场。
延伸阅读
持续作用扰动下的稳定性持续作用扰动下的稳定性stability in the presence of persistently acting perturbations持续作用扰动下的稳定性仁咖幽勺协触脚。曰盆兄of哪滋众团ya曲嗯碑由州画d.侣;yc功后”.即c几np班noc”-，。110朋益e拍即IO四，x BO3M脚日e朋，xj初值问题交=f(x，r)，x(t。)二x。，x任R”(*)之解x。(t)(t)t。)的如下性质:对每一个。>O都有一个占>O使得对每一个适合不等式!y。一x。}<占的夕.，，以及满足以下条件的每一个映射g(x，:):a)在集合 E:={(x，t):t)t。，{x一x。(t)i<。}上g和g，都连续;b)s印(:，，)。::}夕(x，t)一f(x，t)I<吞，初值问题乡=g(y，t)，夕(t。)=夕。，夕任R”的解y。(t)对一切t)屯，有定义且满足不等式 suP}y。(t)一x。(t)}<￡. r)t。Bohi定理(B心h】t玩”~)(【11).设初值问题(，)有解x(t)，t)t。，满足以下条件:幻f和fx对某个。。在瓦。上连续;刀)s叩。，:。4}人(x(t)，t)}}<+的:下)映射f在点(x(t)，‘)，t)t。，处对x可微，这个可微性对t)t。是一致的，即s叩兴}厂(二(‘)+，，，)一f(、(。)，:)+，》万。}y}一人(x(t)，亡)yl~0当y一，O时.这时，为使初值问题的解在持续作用的扰动下为稳定，必要与充分条件是:方程组又=厂(x，t)沿解x(t)的变分方程(粗血tiona】叹业tio璐)组的上奇异指数(见奇异指数(s泊g止汀exponents))小于零.若f(x，t)不含t(即自治系统)，而解x(t)为周期的或常值的;或者f(x，t)对t有周期而解x(0也有相同的(或可公度的)周期或者常值，则:l)Bohi定理中所陈述的一致可微性条件是多余的(它可从定理的其他条件导出);2)方程组交=f(x，t)沿解x(t)的变分方程组的上奇异指数可以有效地算出来.【补注】持续作用扰动下的稳定性也称为持续扰动下的稳定性(stab正ty Under pelsis招ni perturhatio幻)或全稳定性(total stabiljty).
