In the paper,the power in the bucket(PIB), β and η parameters are chosen as criteria to characterize the laser beam quality in the far field,then the beam quality of super Gaussian beams passing through a spherically aberrated lens with an annular rectangular aperture is studied.
以桶中功率 (PIB)、β参数和 η参数为激光光束质量评价参数 ,对超高斯光束经有方环光阑球差透镜后的光束质量作了详细的研究。
A large amount of energy will be saved if adjustable\|speed drives are adopted by high and medium power pumps and fans.
大中功率风机和泵采用变频调速可节约大量电能 ,大部分功率在 0 2~ 2MW范围中。
intermediate power amplifier
中等功率放大器中间功率放大器
Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.
功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit.
功率因数功率因数是电路中有功功率(W)视在功率(VA)间夹角的余弦值。
Power Budgets for Two-way Satellite Time Transfer Link
卫星双向时间频率传递链路中的功率预算分析
peak load effective duration factor
峰值功率持续时间率
power-time diagram
功率时间关系曲线,功率时图
Primary Study on Spatial Powers Combining of High Power Microwave;
高功率微波空间功率合成的初步研究
Intelligent power module and its application in Uninterrupted Power Supply
智能型功率模块及其在不间断电源中应用
Research on Adaptive Laser Power Control of Space Optical Communication
空间光通信系统中激光功率自适应控制的研究
Analysis of ICI power of OFDM systems in time selective fast fading channel
时间选择性快衰落信道中OFDM系统的ICI功率分析
Research on High Power and High Speed Laser Direct Modulation in the Space Optical Communication
空间光通信中大功率、高速率直接调制技术的研究
In any case work does not include time, but power does
总之,功不包括时间,而功率包括时间。
emission beam angle between half power points
半功率点间的发射束角
Power Factor and Wattless Power Compensation;
浅析功率因数及无功功率补偿之间的关系
In large industrial systems, it is necessary to deliver a high power level in a short period of time to make the compensation.
在大型工业系统中,短时间内提供大功率的补偿是必要的。
Investigation on Propagation Characteristics of Ultra-Highpower and Ultra-Wideband Electromagnetic Pulses in Finite Space;
有界空间中超大功率超宽带电磁脉冲的传播特性研究
fast zero power reactor
快中子零功率反应堆
low-power repeater station
小功率转播台[中继站]
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