查询词典 harmonics

A line trap is designed to suppress its zero-line harmonics,which consists of a capacitor and an inductance in parallel,as well as a protective circuit of a small resistor and a bilateral thyristor is added.

阻波器由电容和电感并联，外加由小电阻和双向晶闸管构成的保护电路。

From the physics point of view is the singing tone related to a long sustain, the presence of a strong fundamental, rapidly decaying overtones, presence of complex harmonics...?

从物理学的角度来看是音色与长期维持，存在一个强大的根本，迅速腐烂的色彩，存在复杂的谐波。。。

A simulation research is conducted on the example of six-phase double star winding shifted by 30°synchronous motor.In order to investigate the control algorithm of multilevel inverter , high harmonics as well as its problems, a mathematical model of the control algorithm based on the voltage space vector is built. For the first time, the principle along boundary is introduced to confirm the chosen switch state when many switch states are corresponding to the same vector. Simulation analysis and hardware realization are conducted with the combination of diode clamped three-level inverter and five-level inverter.

建立了基于空间电压矢量控制算法的仿真模型；仿真研究中采用对偶小矢量搭配改善中点电位波动的问题；针对多个开关状态对应同一待选矢量的问题引入&循边原则&确定被选择的开关状态；对过调制问题进行了相应的处理：结合二极管嵌位式三电平逆变器和五电平逆变器进行了仿真分析和硬件实现。

It has the advantages of simple controller, low current ripple, low output voltage harmonics and so on.

它具有控制简单，输出电流脉动小，输出电压谐波含量小等优点。

The various harmonics are in resonance in this cavity to differ t degrees.

在口腔中，各种谐音的共鸣程度不同。

Common attention is only given to harmonics, with other components being labeled "subharmonics" and "interharmonics."

用来分析电力系统谐波的计算机软件能够计算出给出的谐波源的电压失真度以及电网配置。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。