查询词典 modulation capability

To eliminate common-mode voltage of cascaded multi-level inverter, three kinds of phase-difference SVM based on left and right bridge vectors are proposed firstly. From these three modulations, equivalent SPWM components are deduced, and the unipolarity and bipolarity of output waveforms are analyzed. 2π/3 PD-SVM (phase-difference space vector modulation) is testified be unipolar.

为消除级联型多电平逆变器的输出共模电压，首先提出了基于左、右桥臂矢量的三类相差空间矢量调制(space vector modulation，SVM)技术，数学推导出三类调制技术的等效正弦脉宽调制(sine pulse width modulation，SPWM)的调制波，并分析了其各自相电压输出波形的单、双极性，证明2π/3相差SVM必为单极性调制。

RFP will be taken as that delivered to the aerial and generally for the unmodulated condition; but in the case of systems in which the application of modulation

中，如使用调制引致有效载波功率增加(如载波及旁频带重新分配致使功率有任何改变除外)，则增加量无须计算在内。

The 8780A vector signal generator' wideband modulation is complemented with an unmodulated coherent carrier output for demodulation of test signals.

该8780a 矢量信号发生器'宽带调制，补充了一个 unmodulated 相干载波输出解调测试信号。

In our experiment, we use a low temperature heater to fuse the coupling section, the first polarization modulation waist point in the power transfer curve monitored with unpolarized 1312-nm laser light is taken as the stopping point in the coupler drawing process.

实验中，我们用一个低温热源加热耦合段，并采用圆偏振1 312 nm激光源作为监测源，在功率转换曲线上第一个偏振调制点处停止熔拉操作。

This paper studies measure techniques based on modulation , which do not need to unwrap .

本论文研究的基于调制度的光学三维测量方法则不需要去包裹。

A DC-to-DC converter includes a pulse width modulation circuit cooperating with at least one power switch for supplying power from a source to a load over a range between a lower limit and an upper limit to thereby control an output voltage for the load.

一种直流-直流转换器，包括一个与至少一个的电源开关协作，以在一个上限和下限的范围内由电源向负载供电，从而为负载控制输出电压的脉宽调制电路。

Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.

真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成，其中真空调节阀是设备的关键部件之一。

The control mode has developed from early U\f control mode to vec to r control technology and pulse width modulation.

控制方式也从早期的电压；频率控制方式发展到向量控制技术和冲宽度调制技术。

Space vector modulation is an effective measure to eliminate the electrical harmonics in the power electronic system and, consequently, is possible to be utilized to reduce the torque ripple in an inverter-fed motor.

空间矢量调制是一种常用的消除电力谐波的调制技术，更可用于电机控制中转矩脉动的削减。

Three-phase Asynchronous Motor;Digital Signal Processor;Intelligent Power Module;Vector Control;Space Vector Pulse Width Modulation

三相异步电动机；数字信号处理器；智能功率模块；矢量控制；电压空间矢量脉宽调制

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。