... 复数坡印廷矢量 complex Poynting vector 傅里叶原理 Fourier principle 富兰克林 电荷单位的名称nFranklin ...
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fourier optical principle 傅立叶光学原理
principle the fourier 傅立叶变换
Fourier transform infrared principle 傅立叶红外变换原理
Basedg on Fourier optical principle, the imaging property of grating illuminated by expansion source is analysed in this paper. Hence an innovative grating imaging displacement sensor is designed.
该文应用傅里叶光学原理对扩展光源照明下光栅的成象特性作了分析，并由此设计出一种新型的光栅成象型位移传感器。
By a simple Fourier analysis, this paper introduces how to design a direct torque controller according to fuzzy logic control principle.
用傅立叶分析，把变频调速原理引入直接转矩控制中，并在此思想指导下设计了模糊速度控制器，大大简化了系统设计和计算。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
根据SPWM的基本原理与付立叶级数理论，建立了SPWM电压型逆变器输出波形的数学模型。
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