查询词典 modulation

Based on this model, interaction between the parallel grid-connected inverters is analyzed and the influence on circulating current when it is adopted zero vector with space vector pulse width modulation is also analysed.

在这模型的基础上，分析并网逆变器并联运行时的相互影响；分析了并网逆变器采用间矢量脉宽调制算法时零矢量对环流的影响。

A new SVM method suitable for four-switch inverter fed PMSM DTC system was proposed. By analyzing the property of the equivalent zero space vector and its imitation scheme in detail, the paper introduced a zero-vector partition idea, which is usually adopted in the SVPWM modulation, to the composition of desired space vector.

该文针对四开关逆变器供电PMSM DTC系统的特殊性，采用了一种新型SVM方法，分析了等效零矢量模拟技术，将传统SVPWM调制中的劈零思想引入到空间矢量的合成上。

The relation involves modulation signal and space vector, zero sequence voltage and redundancy vector and so on.

全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系，包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。

AIM: To study the immunity modulation mechanism of achyranthes bidentata polysaccharides.

目的：探讨牛膝多糖免疫调节作用的机制。

According to former experience ,we can get fuzzy control tab.because hanging control system of tracter is influenced by many factors ,we are hard to get acutate math model.so it is proper to apply fuzzy method to the control of hanging system modulation.

拖拉机控制系统由于受各种因素的影响，其控制对象的精确数学模型不容易确定，所以将模糊控制应用于拖拉机驾驶系统的控制是比较合适的。

It is known that LTP in area CA3 is susceptible to β-adrenergic modulation.

离体实验表明，CA3区的LTP受β-受体的调制。

The modulation mode of baseband signal and working parameters of radar can be changed agilely.

本文设计了基于DSP的AD9857实现数字上变频方案，该方案由DSP产生不同编码的数字基带信号，并实现对AD9857的控制。

Present study, therefore, is to directly demonstrate whether I1-imidazoline receptor participates in the modulation to morphine dependence by agmatine, and to discuss its molecular mechanism in signal transduction aspect.

本文 旨在首次提供直接证据以阐明I1-眯唑啉受体是否介导了胍丁胺对吗啡依赖的调节，并探讨I1-咪唑啉受体在受体后水平抑制吗啡依赖的可能分子机制。

Both apoptosis-inducing ligands and death receptors exist physiologically and/or pathologically in the body as membrane bound and soluble forms that behave agonistically or antagonistically to exert complicated immunological modulation.

无论是凋亡诱导配体，还是其相应的受体，在不同的条件下均可存在膜型和可溶型，两种形式相互协同或相互拮抗发挥复杂的免疫调节作用。

All these results revealed that GABA and the PF play a very important role in the modulation of the algesia.

该结果揭示，GABA和PF在痛觉调制中具有非常重要的作用。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。