SPWM就是将正弦调制波与三角载波作用，得到开关管的开关信号，从而等效出三相正弦电压，例如图3为某一相的方波电压的等效为正弦电压。 将该电压输入电机中，可以控制电机运转。 可以看出，SPWM的设计思路是：如果在电机定子的三相绕组中通入相位互差120°的正弦波，那么会在空间上产生一个旋转的磁动势，从而带动转子旋转。 SPWM就是通过设置开关管的通断，分别产生互差120°三相正弦电压，使其在电机中产生三相电流，从而形成所需的 旋转磁动势。 …

2022年10月29日 · Surface plasmon resonance imaging (SPRi) is a spatially resolved evanescent sensing technique that is highly sensitive to changes in refractive index (RI) and/or thickness...

2015年11月26日 · Due to this optical property of metal, the surface plasmon wave (SPW) can propagate along its interface with dielectric, and the long-range SPW can be excited within a thin metal slab. These two surface waves illustrate different features from the conventional waveguide.

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2021年8月19日 · What is the difference between Space Vector (SVPWM) and Sinusoidal Pulse Width Modulation (SPWM)? This article presents the advantages of the SVPWM technique …

2017年5月1日 · Space Vector Pulse Width Modulation (SV-PWM) is a modulation scheme used to apply a given voltage vector to a three-phased electric motor (permanent magnet or induction machine).

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This paper deals with the application of the support vector machine (SVM) and the leastsquares support vector machine (LS-SVM) regressions to the uncertainty quantification of complex systems...

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