程序接口

The cyclic symmetry algorithm can greatly save the computer memory and the CPU time without inducing any additional approximation. At last, the programs including pre-processing, calculation and post-processing are developed based on the models and methods mentioned above.

最后，在以上理论分析的基础上，本文编制了适用于循环对称结构的静应力与振动特性分析程序，以及适用于该程序的前后处理接口程序，并进行了算例验证，证明由循环对称算法得到的结果与整体算法、实验得到的结果完好吻合。

Secondly, the platform of IPTV set-top box named DM6446 is introduced, and then the AVS video coding standard which is implemented as the video coding standard of IPTV is introduced. The kernel architecture, peripheral devices of DM6446 and the key technique of AVS video coding such as transformation, quantization, intra-prediction, inter-prediction, interpolation, and loop filter is introduced in detail. Thirdly, the system procedures of set-top box which are implemented on the ARM side of DM6446 are introduced in detail. This part focuses on the demultiplex of audio and video data, the design of data interface, the playback of audio and video, and the communication between ARM and DSP. Fourthly, the loop filter algorithm of AVS video coding standard is introduced in full detail, and the optimized procedures of the algorithm on the DSP side of DM6446 are introduced, and then the optimized results are presented. Fifthly, the thesis introduces and analyzes the state-of-art technique of deblocking filter, and proposes a deblocking method, and then the results of proposed method are given. Finally, summarize of this thesis and further development is given.

首先对IPTV技术、视频编解码技术以及去块滤波技术做了简要介绍；然后介绍了IPTV机顶盒的实现平台DM6446，并介绍了该处理器的外围接口和内核结构，同时介绍了作为本IPTV系统视频标准的AVS第二部分视频标准，以及该标准中变换量化、帧内预测、帧间预测、插值和环路滤波等多个模块的算法；接着，详细介绍了机顶盒系统相应程序在DM6446 ARM核上的实现，重点介绍了音视频系统码流的解复用、数据接口设计、音视频的播放以及ARM核与DSP核之间的通信；然后，详细介绍了AVS视频标准中环路滤波算法及该算法在DM6446 C64+内核上的优化，并给出优化结果；然后对去块滤波算法进行了研究并提出了一种环路滤波方案，同时给出了此方案的实验结果；最后总结了本文的工作，并提出了可以改进的方向。

Thirdly, proved every part used in the designing ,for example,the environment of software exploitage about its progamm and oppration. Followingly, introduced the keyboard control interface,also its thepry.Lastly, analysed,compiled and debuged the procedures.

本文全面论述了矩阵键盘接口的程序设计的过程，对于相关硬件模块、键盘控制接口设计的原理、软件开发环境等开发涉及的相关内容也作了相应介绍。

The base of computer culture, c programmer, fundamentals of analog electronic circuits, fundamentals of digital electronic circuits, data structure, principles of computer composition, operating system, discrete mathematics, computer network, principles of microcomputer, 8086/8088 macro assembler language; multimedia technology; the principles of database; oopl( errorobject oriented programming language); fundamentals of compiling; software engineering; numerical computational method; mcs51/96 principle of single-chip computer; artificial intelligence; computer system organization; digital interface and digital circuits; java programming language; data structure; operating system; computer network; technology of electronics, etc.

计算机文化基础、c语言程序设计、模拟电路基础、数字逻辑电路基础、数据结构、计算机组成原理、操作系统、离散数学、计算机网络、微型计算机原理、8086/8088宏汇编语言程序设计、多媒体技术、数据库原理。面向对象语言程序设计，编译原理，软件工程基础，数值计算方法、mcs51/96系列单片机原理与应用、人工智能、计算机系统结构、数子接口技术与电路、数据库设计基础 java语言，数据结构，操作系统，计算机网络，电子技术等。还有一些选修的课比如：tcp/ip网络协议分析基础、oracl数据库原理，db2数据库原理等。

The network transmission part is based on TI's TMS320C6000 series DSP and the Network Development kit.The Ethernet interface between DSP and computer cluster has been implemented and the test on the performance of the interface has been made. Furthermore, the relationship between the number of hydrophone sensor heads and the network bandwidth has been analyzed which leads to the method of how to calculate the minium bandwith of network given the scale of the hydrophone array.

网络传输部分以TI公司TMS320C6000系列DSP和NDK网络开发程序套件为基础，实现了DSP和集群系统之间水声数据的百兆以太网接口，进而对该网络接口的传输性能进行了测试，并分析了水听器探头数目和网络带宽的关系，得出了计算给定规模水听器阵列所需最小网络带宽的方法。

Device driver includes hardward modular, interrupt modular, function modular, initializtion/finalization modular, character device interface modular and network device interface modular. User processes includes link scan task, layer 3 unicast task , layer 3 multicast task, management interface and network protocols.

设备驱动程序主要包括硬件模块、中断处理模块、功能模块、初始化/卸载模块、字符设备接口模块和网络设备接口模块；用户进程主要包括链路状态扫描任务、三层单播任务、三层组播任务、管理界面和网络协议。

With that ,we decide to use WINDDK to compile the driver program which is closer to hardware and can be handled agilely after compare the several popular way of making WDM driver program, in despite of it will bring more difficulty.

在介绍了驱动程序的安装方法后，详细介绍了应用程序的编制和驱动程序和应用程序的连接方法，以及如何利用GUID找到设备接口名这一关键步骤。

GNOME is the Unix desktop. It's a framework for writing graphical applications with Unix, providing drag-and-drop, interapplication communication, CORBA components (what's called ''OLE'' in the Windows world) a standard, good-looking interface, and all the other features that you'd expect from modern graphical applications.

GNOME是一个UNIX下的桌面系统，它提供了在Unix下编写图形程序的环境，支持鼠标拖放，程序间通信，CORBA组件(也就是在Windows里面的OLE，CORBA组件是一组标准的，美观的编程接口)，以及所有其它现代的图形应用程序应该包含的特征。

Computer keyboard and microcontroller interface procedures using the rising edge trigger interrupt service procedures, falling edge trig...

微机键盘和单片机的接口程序，采用了上升沿触发中断服务程序，下降沿触发中断服务程序。

In our company for example, the development of an application goes on as follows: After the requirements docs are done, the interface designer makes mockups of the interface and gives them to the programmer.

举个我们公司的例子，发展某个应用程序的流程如下：当程序的结构系统与程序需求相关的各种文件都定案了之后，接口系统设计师便制作出整个系统模型，并将这些模型交给程序设计师。

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。