硬件实现的

It analyzes the good qualit ies of the V xWo rk s operating system; pointed to VxWorks's shortcoming in graphics processing and existing hardware condition of radar display system, this paper points out the technique and its detailed implementation of high resolution raster graphics display in VxWorks operating system.

提出了把抢占式实时多任务操作系统 VxWorks 引入到雷达系统，特别是多功能相控阵雷达中的必要性；分析了 VxWorks 操作系统的优点；针对其图形功能弱的缺点和现有雷达显示系统的硬件条件，作者提出了在 VxWorks 操作系统下实现高分辨率光栅图形显示的方法及具体的实现过程。

Compare with other traditional data acquisition modules, the salient point of this system is that it can access Ethernet, achieved remote data acquisition. At the same time embedded by the uC/OS-II operating system, achieved a multi-task operating environment. In addition the system construct a kind of flexible 32-bit embedded hardware system composed by SOPC technology. The system can add or reduce components freely according to the requirement of customers.

与传统的数据采集模块相比，本系统的主要特点是可接入以太网，实现远程数据采集；同时系统嵌入uC/OS-II操作系统，实现了多任务的操作环境；另外本系统结合了SOPC技术在FPGA上构建了一个灵活的32位嵌入式硬件系统，该系统可以根据用户的需求进行自由裁剪。

This system uses the deuterium lamp as its blazed lamp-house, and makes mechanical turnplate in use of modulating light signal with two frequencies, which is drived by in-phase electromotor with constant velocity. A potomultiplier tube is used to conversion optical signal to electric signal. Using Lock-In Amplifiers to realize magnifying the metrical signal using difference method with two different frequencies. We also analyze its principle of each part of the apparatus and design the realization circuits of each part. The data analysis and the in-phase electromotor control circuits are fulfilled by SCM; the single chip control systems hardware interface and software design are given.

该系统的光路部分使用氘灯作为激发光源，用同步电机恒速驱动的机械盘调制出双频光信号，利用一个光电倍增管进行光电信号转换；信号处理部分采用锁相放大器实现信号双频差分处理，分析了其各组成部分的原理，设计了各部分的具体实现电路；使用单片机进行数据差分处理和电机控制，给出了单片机控制处理系统的硬件接口电路和软件设计。

In the thesis, firstly, the design idea and plan of miniaturization of the shallow multi-beam bathymeter were researched. In order to realize the system miniaturization, the redundant reliability might facilitate the multi- equipment interconnection, exchange, operates mutually introduces and designs realizes hardware platform in a body of based on embedded μCLinux system, processing and the interface communication, and completes in view of this platform μCLinux operating system transplant, as well as Bootloader compilation and modulation.

本文主要研究内容是：首先研究了浅水多波束测深仪的设计思想和方案，论文中为实现系统的小型化，高可靠性可以方便多设备互联、互通、互操作引入并设计实现了基于嵌入式μCLinux操作系统的集信息采集，处理和接口通信于一体的硬件平台，并完成针对此平台的μCLinux操作系统的移植，以及相应的Bootloader编写调制。

This text expatiated the control of the system requests, analyzing the work principle of the system with work process, gave each parts of hardwares design process and its related electric circuits, software design process, control the calculate way realizes flow chart, emphasized to explain the calculate way of PID in the single a work for on boardly realizing method, at the same time expatiating system characteristics, experiment proof this is a kind of economic practical forerunner control technique.

本文阐述了系统的控制要求，分析了系统的工作原理和工作过程，给出了各部分硬件设计过程及其相关电路，软件设计过程，控制算法实现流程图，着重说明了PID算法在单片机上的实现方法，同时阐述了系统的工作特点，实验证明这是一种经济实用的先进控制技术。

This terminal adopts DM642 as the processor, combines with the H.264 video compression algorithm which has highly efficient compression ratio, and sends constringent video data by wireless network. The key technique in the process of designing and realization is introduced, including the structure of software and hardware for the monitoring terminal. The design and realization of embedded network interface based on PPP protocol are analyzed, and a design method based on the HDLC API is given according to the NDK of TI Company.

该终端采用DM642作为处理器，结合高压缩比的H.264视频压缩算法，并通过无线网络发送视频数据；介绍了该终端设计和实现中的关键技术，包括监控终端的软、硬件结构；分析基于PPP的嵌入式网络接口的实现方法，并根据TI的网络开发包提出了一种基于HDLC API的设计方法。

On one hand, in ASIC design of H.264/AVC deblocking filter, this dissertation proposes an optimized filtering order for vertical and horizontal edges grouping processing by studying the filtering edge features. In order to save inter-stage parameter buffer, it proposes the method of calculating filtering control parameters in entropy coding stage. A five-stage pipelined edge filter is presented to implement the parallel filtering and increase processing speed. And the hardware cost is efficiently decreased by optimizing shift logic of the transposer, reusing pipeline register set and optimizing the implementation of rounding operation.

一方面，本文在H.264/AVC去块滤波的ASIC设计中，通过研究滤波边界的特点，提出了优化的行列分组处理的滤波顺序；为了减少级间参数缓存，提出了在熵编/解码级就计算出滤波控制参数的方法；为了实现并行滤波和提高处理速度，设计了五级流水线边界滤波器；此外，通过优化转置单元的移位逻辑，复用流水寄存器组以及优化四舍五入运算的实现，有效地减小了硬件开销。

Usually, the filter algorithm was completed byDSP in the automatic fingerprint verification hardware system, but it is proved to betime consumed, so in order to cut down the time of system, the filter algorithmimplementation based on FPGA which compensate the deficiency brought bysoftware compute is attempted in the paper.

因为在预处理和特征提取算法中滤波算法占用了大部分的处理时间，在自动指纹识别硬件系统中，即使用DSP 实现也要较长的时间，为缩短系统的处理时间，本文尝试了用FPGA 来实现滤波算法的新思路，以弥补软件计算的不足。

In the paper chapter one introduces the background and significance about designing the GPIB controller based on Ethernet. Chapter two describes the whole design idea of the controller, at the same time, introduces ENET protocol, TCP/IP protocol and other associating protocols. Chapter three discusses the hardware and firmware design of ENET-GPIB controller. Chapter four describes how to realize the dynamic link library functions and VISA functions of the controller. Chapter five collogues the trend of ATS. Chapter six summaries the design and give some experience and advice about scientific research.

本文第一章讨论了设计基于ENET 总线的GPIB 控制器背景意义，第二章大致描述控制器的整体设计框架，并简要介绍ENET，TCP/IP 等相关协议；第三章阐述了ENET-GPIB 控制器的硬件电路及底层固件的设计与实现；第四章阐述ENET-GPIB 控制器动态链接库函数和VISA 控制函数的实现；第五章畅谈自动测试系统的发展趋势；第六章对整个ENET-GPIB 控制器设计进行总结，并给出了个人的科研心得体会。

On the hardware electric circuit, uses MAX232 torealize PC machine and between the monolithic integrated circuit leveltransformation, uses the simple 3 systems connection methodrealization correspondence, soon PC machine and the monolithicintegrated circuit transmission data end and the receive data endcross connection, two groundings direct are connected; In the softwareprogramming, on PC machine was uses the existing string mouth to debugassistant software, the monolithic integrated circuit carries on theprogramming using the assembly language.

在硬件电路上，采用MAX232实现PC机与单片机之间的电平转换，采用简单的3线制连接方法实现通信，即将PC机和单片机的发送数据端与接收数据端交叉连接，两者的地线直接相连；在软件编程上，PC机上是采用了现有的串口调试助手软件，单片机则利用汇编语言进行编程。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。