查询词典 electromagnetic

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。

It is analyzing framework and factor by touch ElectroMagnetic Compatibility capability, premeditate essential project on pass high level testing of Electrical Fast Transient , synthesis material framework of power unit running restructure, it heighten capability criterion of EMC.

分析影响电磁兼容性能的结构与要点，预研出通过高等级的电快速瞬变脉冲群测试的基本型式，结合具体的功率单元结构进行更改，提高功率单元的EMC性能指标。

Transformer is to use the principle of electromagnetic induction to change the AC voltage of the device, the main component is the primary coil, secondary coil and core.

变压器是利用电磁感应的原理来改变交流电压的装置，主要构件是初级线圈、次级线圈和铁心。

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。

This paper designed a PMLSM with long primary winding and short secondary winding used in the electromagnetic launch system, whose primary winding was divided into two sections.

设计了用于电磁弹射的长初级短次级PMLSM，初级绕组采用分段结构，减小了绕组漏电感，降低了系统无功功率。

The design at the printed circuit board is carried on the electromagnetic compatibility design possesses the very important meaning.

因此，在印刷电路板的设计阶段进行电磁兼容性设计具有十分重要的意义。

Is a professional engaged in anti-electromagnetic radiation series of product development, production and sales of high-tech enterprises.

成都大野科技有限公司是一家专业从事防电磁辐射系列产品的研发、生产及销售于一体的高新技术企业。

It is the only electromagnetic prospecting method that can directly indicate oil and gas reservoir.

是电磁勘探方法中唯一的能直接指示油气藏的方法。

ABSTRACT With wider use of electronic equipment, the problem of electromagnetic compatibility in power stations and substations become more and more serious and protuberant.

随着电子技术和计算机技术的发展，电站和变电站内的电磁兼容问题的影响日益突出。

Objective:To evaluate the efficacy and safety of pulsed electromagnetic fields for osteoporosis.

目的：评价低频脉冲电磁场治疗骨质疏松症的疗效和安全性。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。