查询词典 Pulse

Analysis the effects of the frequency response difference between the sensor channels on the performance of the radar with linear frequency-modulated and pulse compression system.

分析了线性调频脉压体制下通道频率特性差异对雷达性能的影响。

The average current in every phase is obtained by means of Pulse Width Modulation, frorn which becomes the composed vector, and the driving on fractional step angle of stepmotor can be realized.

从而构成合成矢量，实现分数步进角的驱动。实验结果表明，其转角精度高于任何数字编码器的分辨率，极大地提高了步进电机的伺服精度。

In order to cover the shortage of the current antenna for high power microwave weapon, the idea of a magnetized plasma channel used as antenna for radiating electromagnetic pulse is proposed. The normal modes of Magnetized Plasma Channel Antenna in lossy gas are analyzed. The concrete realization method of MPCA is simply described. The geometric-model of MPCA is created based on the operating principle of the antenna.

摘要该文针对现有高功率微波武器辐射天线的不足，提出了将磁化等离子体通道用作电磁脉冲辐射天线的思想——磁化等离子体通道天线，分析了MPCA周围为有耗气体媒质时MPCA所传播的一般模式。

They are laser beam power, pulse duration ,cutting velocity ,gas pressure.

结果表明：在激光器、聚焦系统和材料确定后，激光功率、脉宽、切割速度、气体压力是影响加工质量的主要因素。

Slow pulse ; fast charge ; polarization ; gas evolution

慢脉冲；快速充电；极化；析气

The coupling projects of Gas wave-Pulse tube refrigeration have been discussed.

气波振荡管内气体流动过程的数值计算研究

Trough analyzing the mechanism and experimental results of high frequency pulse tube refrigeration, its work progress and refrigerating effect of work tube is similar to gas wave refrigeration.

通过对气波制冷和高频脉管制冷的制冷原理和实验研究成果的分析，发现两者工作过程及工作管产生冷、热效应的规律具有相似性。

This paper introduces the principle of the pulse tube refrigeration and gas wave refrigeration which both utilize pressure energy to gain cold capacity and analyses the factors which govern the refrigeration efficiency.

简介了同时利用压力能制冷的气波制冷与脉管制冷的原理，并对影响其效率的因素进行分析，并进行了管长、转速、充排比等对其效率影响的实验研究，得出了一些有益的结论。

Comparing the refrigerating mechanism and refrigerating apparatus of Gas wave refrigeration to Pulse tube refrigeration, some common ground have been found.

气波制冷与脉管制冷都是利用气体压力能来获得冷量，两者在制冷机理和制冷机结构方面都存在一定的共同点。

This is the first work in pulse tube refrigerators with gas mixture in the world. It will be meaningful both in theory and practice.

这是世界上首例采用混合工质的脉管制冷性能的试验研究，具有重要的科学意义和经济价值。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。