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The prototype was completed, and the simulation and experiment results show that the permanent magnet synchronous motor system of matrix converter based on the hybrid modulation has good control performance and high input power factor.

原理样机试验结果表明，采用空间矢量SPWM电流控制的矩阵变换器-永磁同步电机系统不仅达到了良好的矢量控制，而且也提高了输入侧的性能。

To meet the requirement for the low-voltage and high-power output,direct-drive wind power generation system employed the topology which combines the dual-three phase permanent magnet synchronous generator and parallel converter technique.

为满足低压大功率输出的要求，直驱式风力发电系统采用双三相永磁同步发电机和变流器并联技术相结合的拓扑结构。

The system consists of a permanent magnet synchronous generator and a converter/regulator with a wide range of the input voltage. This paper presents a model of the converter/regulator by using Matlab tool.

为了保证飞行安全，飞行控制系统专用电源系统均采用多余度供电系统，造成飞机电源系统和配电系统非常复杂，供电子系统较多。

Identify thenorth pole on each magnet, and mark it with a feltpen.

确定北极每个磁铁，并标志着它的感觉笔。

The finite element method is applied to analyze a prototype square wave permanent magnet motors using in electric vehicles.

基于有限元法，分别采用麦克斯韦应力法和虚位移法对电动车用轮毂式矩形波永磁同步电动机的电磁转矩进行了数值计算。

The simulation results show that the new algorithm can effectively eliminate the integrator drift with higher precision of flux estimation under permanent magnet synchronous motor wave input of EMF.

仿真结果证明，新算法在PWM 波反电动势输入情况下仍具有很高的磁链观测精度，可以有效地消除积分漂移误差。

A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.

文摘：提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。

A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.

提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。

If the fluidity of the injection was bad, the appearance of the product would berough, brittle, and very difficult to satisfy the actual application. In order to improve thefluidity of the melting-body in full filling condition, different types of lubricant function were used in the paper. Though the metallic soap might enhance the fluidity of themelting-body, the dosage was huge, which might cause drops on the mechanics intensityof the product, and cause magnet to be crisp and easy to crack.

为改善在高填充时熔体的流动性，研究了不同润滑剂的作用，金属皂类可以提高熔体的流动性，但用量较大，会导致产品的力学强度的下降，磁体脆而容易开裂，乙撑双硬脂酰胺可以提高熔体的流动性，复合材料的力学强度也较高。

The Rocky Mountain home of cowboys and lumberjacks has become a magnet for lone-eagle telecommuters and Range Rover-driving yuppies.

落基山上的地域，传统上是牛仔与伐木工人的家，现在变成极具吸引力的地方，吸引了独行侠的电讯通勤族以及开着路宝吉普车的雅皮。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。