frequency vector的例句大全

In the new scheme the speed sensor of general slip frequency vector controlled system is replaced with speed calculation algorithm, so it has the merit of wide applicability.

这一新的控制方案用速度推算算法取代常规转差频率矢量控制系统中的速度传感器，具有适用性广的优点。

Research on Slip Frequency Vector Control Scheme of Asynchronous Motor

异步电动机转差频率矢量控制方案研究

The present Web mining technology, especially the core algorithmic of Web document classification and clustering are based on statistical word frequency Vector Space Model ( VSM).

目前Web挖掘技术中，特别是Web文本的分类、聚类，采用的核心算法是基于词频统计的矢量空间模型算法。

Slip Frequency Vector Control System Controlled by Single-chip Computer

单片机控制的滑差矢量调速系统

A new slip frequency vector control scheme with speed calculation algorithm is proposed in this paper.

本文提出一种带有速度推算算法的转差频率矢量控制。

Slip Frequency Vector Control with Speed Calculation

速度推算转差频率矢量控制

With the development of solid state power devices and DSP, variable frequency vector control based on DSP has been the trend for electromotor control.

随着电力电子器件和数字信号处理器的发展，基于DSP的变频矢量控制逐渐成为电机控制的趋势。

A novel resistance estimation method is presented for induction motor, and is used in voltage controlled type slip frequency vector control system. Computer simulations demonstrate the effectiveness of the presented method.

给出了一种异步电动机定、转子电阻参数在线实时估计方法，并将其应用于电压控制型转差频率矢量控制系统，计算机仿真结果表明该方法具有较好的参数估计效果。

Sliding difference frequency vector controls motor. Using simply varied structure and forecast calculation makes the system run smoothly.

电机采用滑差频率矢量控制，运用简单变结构和预测运算，使系统运行平稳。

A New Slip Frequency Vector Control Scheme with Resistance Estimation

带电阻参数估计的异步电动机转差频率矢量控制

Sample time staggered space vector modulation ( STS-SVM) technique is a novel switching modulated strategy, which can acquire much high equivalent switching frequency at fairly lower device switching frequency and have excellent harmonic characteristics.

错时采样空间矢量调制是一种新型的开关调制策略，能够在较低的器件开关频率下实现较高等效开关频率的效果，具有良好的谐波特性。

Modeling and Simulation on Slip Frequency SVPWM Vector Control System of Induction Motor

异步电动机转差型SVPWM矢量控制系统建模与仿真

At the same time, space vector groups are optimized, the optimized SVPWM can guarantee output performance of converter does not fall when switching frequency properly decrease.

采用优化后的开关矢量，可以在减小器件开关次数的情况下，仍能保证变频器输出性能。

At the same time, we put forward to compute Doppler centric frequency and Doppler frequency rate by vector method. From footprint trajectory of transmitter and receiver, we derived the formulae of integrated time and azimuth resolution.

提出了用矢量法来计算多普勒中心频率和多普勒调频率的方法；通过分析收发平台波束的运动轨迹，推导出了合成孔径时间和方位向分辨率的计算公式。

Slip Frequency Correction Method Base on Rotor Flux q Axis Component for Induction Machine Indirect Vector Control System

基于转子磁链q轴分量的异步电机间接矢量控制转差频率校正

Mathematics analysis in frequency domain for sample time staggered space vector modulation technique

错时采样空间矢量调制技术的频域数学分析

Slip Frequency Sensorless Vector-controlled System of AC Induction Motor

异步电动机转差型无速度传感器矢量控制系统

This method is to control the stator current as a vector quantity on the basis of slip frequency control.

在这一控制方法中，定子电流在转差频率控制的基础上作为一个矢量进行控制。

Based on the idea of optimal slip frequency control the strategy combines the idea of rotor flux oriented vector control and decoupled control for rapid torque response with optimal slip frequency control for minimum loss.

该策略依据最优滑差频率的控制思想，结合转子磁链定向的矢量控制和磁链解耦控制，以实现兼顾效率的高性能转矩控制。

Study on Slip Frequency Type Vector Control System Based on Adaptive Rotation Judgement Observer Model For Induction Motor

基于自适应转速判断观测器的异步电机转差频率型矢量控制系统的研究