功率电平

测试为SAR使用标准工作位置进行用设备传送在它的最高的被证明的功率电平在所有被测试的频带。

Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands .

该算法结合改进的动态ALOHA算法，根据待识别标签的估计值动态改变阅读器的功率电平。

The algorithm combines the improved dynamic ALOHA algorithm . It changes the power level of the reader according to the estimate of dynamic .

还指出了SIT非线性失真与输入功率电平和偏置条件的关系。

The dependence of the sIT nonlinear distortion on input power levels and bias conditions are investigated .

描述两个功率电平比值的单位。

A unit that describes the ratio of two power levels .

GB/T4573-1984模拟通信网中相对功率电平的测试方法

Measuring method for the relative power level over the analogue communication network

GB/T7617-1987在电话线路上数据传输的功率电平

Power levels for data transmission over telephone lines

采用频谱分析仪测量信号源功率电平及校准不确定度

Analysis of Power Level of Source Signal and Calibration Uncertainty in use of Spectrum Analyzer

微波频段金属接触非线性引起的无源互调功率电平的分析和预测

The Analysis and Prediction of the Power Level of PIM Due to Metallic Contact Nonlinearity at Microwave Frequencies

设备也可作为电压调节器，确保在油罐车的功率电平电器系统稳定下来。

The device also acts as a voltage regulator to ensure that power levels throughout your car 's electrical system is stabilised .

该基站通过该天线单元测量具有话务连接的用户终端的信号的功率电平。

The base station measures through the antenna units the power level of the signals of subscriber terminals having a traffic connection .

一般来说，线型调制器的效率较高，相应的体积、重量也小些，可靠性和寿命也较高，但一般只用于较低的功率电平。

In general , the efficiency , reliability and life expectancy of the linear modulator are higher , with smaller of the volume and weight , which generally only used for lower power levels .

实验结果表明，随着标签数量的变化，阅读器功率电平动态调整，系统内标签的响应速率得到了有效的提高，且达到了减小能耗的目的。

The experimental results show that , with the tag number of change , reader power level dynamic adjustment , the response rate tags within the system has been effectively improved , and the energy consumption has reduced .

电缆束注入敏感度测试是电磁敏感度测试中极为重要的一项，该测试频率范围宽，采用阶梯型功率电平，需要控制的设备多，测试过程长，工作量大。

Bulk cable injection susceptibility test is one of the important item in the whole electromagnetic susceptibility test . This Test which has wide-frequency and require inequality power need to control many apparatus and do a lot of work .

给出的关断试验结果证明了抑制过电压措施的必要性及正确性，并证明了所设计的吸收电路完全满足大功率两电平GTO逆变器装置的使用要求。

Experimental results demonstrate that the proposed snubber circuit is very effective for large capacity two level GTO inverters .

大功率三电平变流器中的能量回馈型吸收电路

Study of Energy Feedback Snubber Circuit in High Power IPM Three-level Converter

单相大功率三电平数字可编程电源及谐波发生器

Single-phase Large Power Three-level Inverter Power Supply and Harmonic Generator

基于功率检波电平的自动功率定标

Automatic power calibration based on power-level detector

高功率多电平变换器的研究和应用

High Power Multilevel Converter and its Application

本文还对抑制自激振荡及高压、大功率三电平逆变器死区的补偿方法进行了研究。

The paper also pay much attention to research on self-excitation of induction motor shunted with LC filter and dead-time compensation based on high voltage three-level Inverter .

重点介绍了五电平NPC/H桥逆变电路的空间矢量调制方法。这是一种适用于大功率多电平逆变器的，基于3段开关顺序设计的空间矢量调制方案。

Space-vector modulation schemes for the 5 level NPC / H bridge inverters are elaborated : A novel flexible 3-segment switching sequence for the space vector modulation ( SVM ) of high-power multilevel converters .

大功率双三电平逆变器的优化SPWM调制策略

Optimization SPWM Strategy for a High-Power Double Three-Level Inverter

采用两个NPC三电平逆变器构成双三电平逆变器，阐述了大功率双三电平逆变器的优化SPWM调制策略。

Two NPC three-level inverters are adapted for a double three-level inverter . Optimization SPWM strategy for high-power double three-level inverter is expounded .

带有有源前端的大功率双三电平变频器及其控制

Control for a High-power Double Three-level Converter with Active Front Ends

近年来在高压大功率领域三电平变频器的开发研究得到了广泛关注。

The development and research of tri-level inverter in the field of high-voltage and large-power have received much attention these years .

设计了采取多功率单元串联多电平电压源变频器结构方案。

A design multi-power unit series voltage source inverter multilevel structure scheme .

高功率因数的三电平整流器控制方法

Study on the control strategy of high-factor three-level rectifier

非对称结构功率单元串联多电平变频调速系统

Asymmetry Structure Power Cell Cascade Multilevel Medium Voltage Inverters

讨论了监测待测物使用工况的必要性，给出了电流参量测试仪的传导骚扰和骚扰功率的背景骚扰电平。

The background noise level of this instrument under the condition of conducted disturbance and disturbance power test is provided .

与传统变换器相比，在很多中高压大功率场合，多电平变换器有诸多优势：如单管承受电压减小，开关损耗降低，电磁干扰减小等。

Compared with traditional converter , multilevel converter has obvious advantages in high power application field , for the voltage applying to each switch transistor and switching loss are decreased , electromagnetic interference is alleviated as well .

本文主要针对变频调速的基本原理，研究了高压变频器的拓扑结构、控制方法、调制方法等，并对功率单元串联多电平变频器的谐波抑制性能进行了分析。

Then the paper introduces the basic principles of variable frequency speed regulation , studies the topology high-voltage converter , control methods , modulation methods , etc , and analyses the harmonic fiction performance of power unit series multi-level inverter .