2、

Three-phase sine wave wave signal can be symmetrical three-phase alternating current after power amplifying.

三相正弦波信号经功率放大器放大后成为对称三相交流电。

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3、

Pain threshold and heat stress reaction of mice irradiated by high power millimeter wave

高功率毫米波辐照鼠疼痛阈值及应激反应

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4、

The traditional rectifier circuits are generally diode uncontrollable rectifier or thyristor phase rectifier circuit, these rectifier circuits are always with high harmonic wave, low power factor, and can polluting the power grid easier.

传统的整流电路一般都是二极管不控整流或者是晶闸管相控整流电路,这种整流电路谐波含量大,功率因数低,易给电网造成污染。

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5、

Power companies have listed 10 sites on the seabed to turn wave and tidal energy into electricity.

电力公司列出了海床上10个转化潮汐能为电能的地点。

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6、

In recent years, great progress has been made in utilizing this energy. In this paper, the principles, development status quo and tendency of ocean thermal energy conversion ( OTEC), wave and tidal current power generation in the world are described briefly.

最近几年,世界各国积极开发这种新能源并取得很大的进展,在此,简要介绍了当今世界海洋温差发电、波浪发电和潮汐潮流发电的原理,开发现状和发展趋势。

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7、

The salty water invade from the mouth up to 300m; The tide range is the motive power for tidal wave tracing back in the course.

海水上溯距离300米;河口潮差是潮波上溯的原动力。

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8、

And several commonly used parameters which represent the electromagnetic wave propagation process are introduced, such as power delay profile, time dispersion parameters, coherence bandwidth and fading Doppler spectrum.

并就一些常用的表征电磁波传播过程的参数进行了介绍,如功率延迟分布图、时间色散参数、相干带宽和衰落多普勒频谱。

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9、

It proposes a new way for the accuracy time transmission method by means of power line except for long wave, short wave, satellite, laser, TV, VLBI, tele-phone wire etc. This time transmission method will be used in wide field.

除了用长波、短波、卫星、激光、TV、VLBI、电话线传递精密时间以外,又开拓了用电力线进行精密时间传递的新途径,这种方法具有广阔的应用前景。

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10、

Located in the middle of the canyon area in DaDu River DaGang Mountain power station also meet similar engineering problems, left the foundation surface ( EL1135-1040m) acoustic detection already excavation single-drillhole acoustic wave abnormity is low.

位于大渡河流域中游峡谷地段的大岗山水电站也遇到了类似的工程问题,左岸(EL1135-1040m)已开挖建基面上声波检测异常,单孔声波波速偏低。

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11、

But as input-power is increased, diffraction rings caused by thermo-optic effect submerge diffraction rings caused by Kerr effect. Spatial self-phase-modulation of continuous wave laser beams

当入射激光功率继续增大时,由于热效应对激光横截面上的空间自相位调制产生的衍射环逐步淹没光克尔效应引起的衍射环,接收屏上的衍射图案将发生显著的变化

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12、

This paper introduces technical features of power equipment, reactive load, harmonics harmful to power network and its preventive measures and techniques in metallurgical enterprises. The paper also compares functions and actual benefits of different reactive compensation and wave filtering devices.

介绍了冶金企业用电设备的工艺特点,用电负荷无功、谐波对电网危害的防治措施和技术,以及主要无功补偿滤波装置的性能比较和实际效益。

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13、

Analysis of Harmonic of Three phase Reactive Power Compensator PWM Wave

三相无功补偿器PWM波的谐波分析

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14、

The Meter Reading System in Power Line Carrier Wave Based on the Network Technology

基于网络技术的电力载波抄表系统

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15、

Design of Multiple Boom Bucket Wheel Sticker Power Carrier Wave Communication System

多台斗轮堆取料机电力载波通信系统设计

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16、

A cold wave sweeping across large swathes of China has forced power rationing in some provinces.

侵袭我国多个地区的寒潮已导致部分省份拉闸限电。

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17、

Research on the Reliability Evaluation of Power Traveling-Wave Tubes by Digital Emulation Mode

小功率行波管可靠性数字仿真的研究

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18、

In this paper, the power, wave function, average value, and uncertainty relation of localized electronic spin in uniform magnetic field were discussed.

本文讨论了近似模型下,即不考虑轨道运动时,均匀磁场中定域电子能量、波函数、平均值及测不准关系。

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