整个系统

In order to analyze the vibration characteristics of the high speed dick system,which was an important component of the submuniton angular motion hardware-in-the-loop simulation,the mechanics model was firstly derived.

为了分析子弹角运动半实物仿真装置中快圆运动系统的固有频率及其对整个装置的影响，利用La-grange方程建立了快圆运动系统的动力学方程，得出该系统的质量矩阵和刚度矩阵，对其进行模态分析；同时利用有限元软件仿真，验证了理论分析结果。

Firstly it describes the development ,basic principle and application and propagation characteristic of mobile channel , then investigates the system structure of DAB transmitter and receiver separately and the key technology of realization of the digital audio broadcast system.And then discusses the system component of FFT －the demodulation module of OFDM .The 409- points FFT module employs a radix-4 decimation-in-frequency algorithm, includes arithmetic element , read and write address element ,twiddle factor element and control element , is realized by FPGA. In the end , the result is verified in the matlab .

首先概述了OFDM的发展、基本原理和应用以及移动信道的传播特性，接着分别研究了数字音频广播接收机和发射机的系统结构，以及数字音频广播系统实现的关键技术，然后详细论述了OFDM解调模块FFT的系统结构，主要研究了4096点FFT采用基－4按频率抽取实现的算法，整个FFT模块包括了运算单元、读写地址单元、旋转因子单元以及控制单元，并且在FPGA中进行了硬件实现，并在matlab环境下对结果进行了验证。

The mean removal efficiency of NH(superscript + subscript 4)-N, TN, TP in the planted system were 55.02%, 45.44%, 98.52%, respectively, and 38.08%, 33.63%, 91.37% in the unplanted system, respectively; the removal efficiency of nitrogen and phosphorus in the planted system were higher than that in the unplanted system.

在整个运行过程中，植物系统对NH(上标+下标 4)-N、TN、TP的平均去除效率分别为55.02%、45.44%、98.52%，无植物系统为38.08%、33.63%、91.37%，植物系统对氮和磷的去除效率均高于无植物系统。

Contactless IC card, as the pass certification in No Stop Electronic Toll Collection System, contain many merits such as convenience, tune-saved, durableness, non-pollution, and that the users important data information is stored inside, which play a important part in No Stop Electronic Toll Collection System, so the research of reliable practical contactless IC card system has become a important part in the research of No Stop Electronic Toll Collection System.

非接触IC卡作为不停车收费系统的通行券，具有方便快捷、寿命长、无污染等优点，内部存储着用户的重要数据信息，在高速公路不停车收费系统中扮演着重要的角色，所以研究安全、可靠、实用的非接触IC卡系统，也就成为整个不停车收费系统中研发的一项重要内容。

From the idea of systematic designing, this dissertation brings forward the method of designing the whole logistics GIS system, concludes the features of the new system and illuminates the problems which should be paid attention to when designing. In the exploitation of example, this paper contrives the configuration and functions of the system and studies the programming to realize it.

论文从系统设计的观点出发，提出了整个物流GIS系统设计的方法，总结了新系统的特点，描述了设计时应该注意的问题，在实例开发中首先对系统的结构和功能进行了设计，然后简单研究了编程实现。

The configuration software through completes the stage suspension bar to the stage suspension bar system design realization the monitor and controls the stage suspension bar automation information system construction mainly to include the stage suspension bar long-distance monitoring, part and so on distribution line automated system, its goal uses the scene supervisory system, realizes data source automatic gathering, with the aid of the stage existing network resources auto loading to the real-time database, applies for all levels of control section provides the opening the data platform, causes the administrative personnel promptly to control and to grasp the suspension bar tendency, thus realizes the entire stage suspension bar movement process automation; And may to the real-time data which obtains carry on the statistics, the analysis, the optimization, thus for guaranteed the suspension bar equipment normal work, reduces the performance production cost to provide the important basis.

组态软件通过对舞台吊杆系统的设计实现完成舞台吊杆的监测和控制舞台吊杆自动化信息系统建设：主要包括舞台吊杆远程监控、配电线路自动化系统等部分，其目的是利用现场监控系统，实现数据源头自动采集，借助舞台现有网络资源自动加载到实时数据库，为舞台管理部门应用提供开放的数据平台，使管理人员及时控制和掌握吊杆动态，从而实现整个舞台吊杆运行过程的自动化；并可以对取得的实时数据进行统计、分析、优化，从而为保证吊杆设备正常运转、降低演出生产成本提供重要依据。

Section 1 discusses the advantages of medical film printer and USB, and put forward one elementary design scheme of the system. The principle of laser printer and the holistic design scheme of system are presented detailedly in Section 2, while Section 3 expounds the technology of USB. Section 4 discusses design scheme of transfer system of the laser printer - includes the development of USB device and CPLD. The test of holistic laser printer and effect picture of medical image are presented in Section5. In the end, a review of this system and some bugs are put forwards at present.

本文主要分为六个部分，第一部分讨论了医用胶片打印机和USB总线技术的特点和发展趋势，并提出了系统的初步设计方案和研究意义；第二部分描述了医用激光胶片打印机的背景、工作原理和系统的各个组成部分；第三部分描述了通用串行总线2.0版(USB2.0)的通信原理；第四部分详细介绍了打印机数据传输系统的设计——包括USB设备的开发和CPLD的硬件和软件设计，并对这个传输系统的性能进行了分析；第五部分介绍了整个打印机的测试结果和实际打印医学影像的效果图；最后对本文做出总结并提出了不足之处和参考价值。

Angular position testing system is the reader-out unit of testing turntables, so theprecision of the whole system is depended on it.

角位置测量系统是转台系统的角位置读出装置，所以整个转台系统的控制精度就主要取决于测角系统的精度。

This article deeply discusses the procedure of develop and the related techniques of the Ticket-selling system. By using dynamic pages, database and data structure to work out the solution of the Ticket-selling system. The whole system includes two main modules: the queries and the book of tickets and the management of system.

本文详细介绍了铁路订票系统开发过程及其相关技术，运用动态网页、数据库、数据结构等技术，提出了订票系统的解决方案，将整个订票系统按用户的不同分为前台查询、订票和系统管理共两个主要的功能模块。

This paper presents an intelligent bolt machine control system,which is designed on the basis of.

该文提出了基于可编程片上系统的新型智能钻尾机实时控制系统的整机设计方案，介绍了整个钻尾机控制系统的设计构成，以及可编程片上系统的编程配置。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。