同步

Permanent Magnet Synchronous Motor has the feature of strong nonlinear, coupling and parameter time-varying. The Proportional and integral part of traditional PI controller is fixed and unable to meet high precision requirements of PMSM speed control.

永磁同步电机是具有强非线性、强耦合和参数时变特性的被控对象，传统PI 控制方法作为一种线性控制其比例、积分环节的参数固定不变，不能满足永磁同步电机对高精度的要求。

At first, the domestic and international current situation of research and development trend of digital readout technology are introduced.

本文首先介绍了国内外数显技术的研究现状及发展趋势，然后分析、论述了感应同步器数显表的工作原理，在此基础上对感应同步器数显表测量系统的设计进行了较深入的研究。

The key issue of Synchronous Rectification is how to drive the Synchronous Rectifier properly for the high efficiency.

同步整流技术的关键问题就在于同步管驱动方案的设计，以实现高效率转换的目的。

The system makes use of the high-speed synchronous shoot and digital image processing technique to make the presswork figure redisplay stationary in the display apparatus.

本系统采用高速高精度的工业彩色CCD摄像机，在横向移动扫描装置和纵向扫描控制算法以及同步发生装置和同步瞬态采集方法的控制下，实时地摄取印刷品图像，并将视频信号输入到彩色图像采集卡。

In mobile communication systems, the relative carrier frequency offset must be restricted below 1%.

在对OFDM系统简要的介绍的基础上，分析了OFDM系统的频率同步问题，重点讨论了实现频率同步的两种算法，并在AWGN信道下对这两种算法进行了仿真比较。

Summarized are the suspending principle, technology characteristic and applicable range of repellence and attraction maglevvehicle. Analyzed as a emphases are the drive technology characteristic and performance compare of long－stator and short－stator linear synchronization motor driving for maglevvehicle

综述了斥力型和吸力型磁浮列车的悬浮原理、技术特征及适用范围，重点分析了两种不同的磁浮列车驱动方式——长定子线性同步电机驱动及短定子线性同步电机驱动的技术特征和性能比较。

State'.'' and to agree on a resynchronization point.

状态'。''以及在重新同步点同步。

Background: Cardiac resynchronization therapy improves exercise tolerance and survival in patients with advanced congestive HF and dyssynchrony.

背景：心脏再同步化治疗改善晚期充血性心力衰竭合并失同步化患者的运动耐量和生存。

Sending sync pat- terns for resynchronization is desirable when lock times within a specific time are critical.

派遣再同步同步轻拍，燕鸥是可取时，在一个特定的时间锁定时间是至关重要的。

The chief tasks of the research are to analyze the properties of self synchronization closed loop operation in theory and realize the system.

所以本文旨在理论上分析自同步闭环运行方式的性能，在自同步闭环系统的实现上探索出一条简单易行，稳定可靠的新径。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。