查询词典 variable-density system

DSP-based variable frequency AC motor speed control system, he is more use of the procedure.

基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。

By analyzing both the technological advantages to show the development of AC variable frequency speed control system .

通过分析二者的技术优势展望了交流变频调速系统的发展方向。

The main parts, operation principles, and application of the variable speed limit system were discussed.

文中介绍了可变限速系统的主要组成部分，工作原理以及应用情况。

We propose a hardware design for an all-digital AC variable speed control system.

讨论了基於DSP-TMS320F240的全数字交流调速系统的硬件设计。

The application of adjustable speed with variable frequency technology in spindle drive system was studied.

研究了变频调速技术在主轴驱动系统中的应用。

Variable velocity feedback method is proposed to achieve complete synchronization of spatiotemporal chaos in one-dimensional complex Ginzburg-Landau equation system.

在一维的复Ginzburg-Landau方程系统中，提出了时空混沌同步的一种广义反馈方法，称为变量速率反馈方法。

A page table in a virtual storage system that uses both fixed-length pages and variable-length segments.

虚拟存储系统中的一种页表，它用定长页和变长段对虚存进行控制。

From the basic principles of the AC machine,using the equivalent analysis method, a series of the equations、vector diagram、equivalent circuits of BDFM were obtained, which is the foundation of the analysis and control of the BDFM wind power generation system. The variable structure control was first used to the active and reactive power decoupling control of the BDFM.

无刷双馈电机的功率绕组、控制绕组、转子绕组的极对数不同，电流的实际频率也各不相同，论文从交流电机的基本理论出发，采用等效的方法，得到了无刷双馈电机的基本方程式、向量图和等效电路。

In this paper, according to the equation of voltage vector of single-phase motor operating at symmetrical condition, author presents a new voltage-vector PWM method of variable frequency control for single-phase motor. In system, the voltage vector is used as a control parameter.

本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式PWM变频调速控制方法，并进行了计算机仿真及制作了单相变频器。

The thesis also gives the estimated upper bounds of error decision probability. When the compressor is confined to be a lattice vector quantizer, a explicit mathematic equation for the rate of the performance convergence to the optimum is derived. On the other hand, Distortion Ratio Aproachs to the design of testing system on the basis of vector quantization are put forward, and methods for building the variable length decision tree as well as the fixed length one presented.

在算法方面，提出了失真比矢量量化检验器的设计方法以及可变长和固定码长分类判决树的生成算法；为了解决以矢量量化器为核心的处理系统运算量大，不易实时实现的问题，论文中引入了熵减的概念，在此基础上提出一种快速最近邻搜索编码方法，理论分析及实验结果均证实了这种算法的有效性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。