编码设计 meaning in English
design of code
Examples
- This paper can put into four parts ? this first part is the description and theoretical analyses of source coding , which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding , which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models , binary symmetric channel and cdma channel o in this part , two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts , one is to find the most appropriate quantization steps and centroid points of separate channel - source coding , another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding , the characters of joint channel - source coding are given
本论文可以分成四部分：第一部分给出了信源编码的基本概念和理论分析，重点放在最优均匀量化编码的研究方面；第二部分给出了信道?信源联合编码的原理叙述，重点放在复合式信道?信源编码的分析研究上；第三部分将信道-信源联合编码原理应用在两种噪声信道上：离散无记忆信道和cdma信道，并根据两种信道的不同特点详细描述了两种相应的编码设计方案；第四部分给出了复合式信道-信源编码的仿真结果以及对结果的相应分析。 - There are several aspects of work that was done in this thesis mainly . firstly , the theory of the under - water long - range remote control system was analyzed and the remote control instruction code was designed . secondly , decoding circuit of the under - water long - range remote control system was designed with fpga , including vhdl coding , simulation , synthesis , place & route , etc . besides , power consumption to fpga that is designed is estimated in this thesis . lastly , we designed and made one pcb to verify and test fpga decoding chip that is designed , and debugged and tested it finally
首先，深入研究和分析了在频域实现水下远程遥控解码的原理并进行了遥控指令编码设计；其次，用altera公司的cyclone系列fpga芯片完成了水下远程遥控fpga解码芯片的设计工作，包括硬件描述语言( vhdl )编码、电路前后仿真、综合和布局布线工作，并对设计的fpga解码芯片进行了初步的功耗估算；最后设计制作了一块fpga解码芯片电路验证测试板，并完成了电路调试和测试。 - In this dissertation , the basic principles of the coding and decoding of ldpc codes are studied systematically , and some code - design problems such as the design of degree distribution sequences , the design of girths and the design of efficient encode - able ldpc codes are analyzed in detail . based on all these efforts , some positive results are obtained and summarized as follow : 1
本文在对低密度校验码现有理论的研究基础上，系统地分析了低密度校验码在删除信道下的纠错性能和度序列设计、低密度校验码的围长设计和快速编码设计等编码设计问题，获得了一些研究成果，主要概括为： 1 - With the widely applied of web technology in catering , the information management system of restaurant based on internet is developing fast 。 based on the local area network , this subject researches and completes the foregrounding of restaurant achieved on the electronic business platform by using java and network database technologies 。 by combining all of these , this paper researches the foregrounding of restaurant , and brings forward the scheme of completing system based on b / s mode 。 all research and work including the process of development of enterprise information nowadays ; the research on net application of java ; the design of developing platform ; the research and design of system frame and function ; the research and realization of the database design ; the design and realization of the room information 、 client information 、 sell information and the adding menu of the management system of manager 。 among these i mainly research the following key technologies : the design of data flow diagram and entity - relationship diagram ; the modeling of virtual floor using java applet and java gui ; the linking realization between jsp and sql sever 2000 ; the design of room - query 、 reserving - room and the judgment of reserving again ; the design of coding and ordering fishes list ; the design of checking - out of the system ; the design of the cancel of the order 、 statistics of the consumption and the inputting of data of the manager 。 this system completes the restaurant booking - room 、 ordering - dishes 、 checking - out and helping based on local area network , and completes the information query and adding data of the manager 。 at last , by testing , the system shows that the system is feasible and the good effect expected can be acquired , and it greatly enhances the restaurant information 。
主要研究工作包括:国内外企业信息化的发展历程; java的网络应用研究;系统的开发平台设计;系统体系结构和功能模块的设计;数据库设计的研究和实现;管理员管理系统的包间信息、客户信息、销售信息和菜谱添加的设计与实现。其中重点实现了如下关键技术:数据流图和e - r图设计; javaapplet和javagui相结合的虚拟楼层建模; jsp网页与sqlsever2000数据库的连接实现;订包间系统的包间查询、订包间和重复订包间判断设计;点菜系统的编码设计和点菜单设计;结账系统的账单计算;管理员管理系统的订单取消、消费统计和数据输入等设计。本课题研制的餐馆前台信息管理系统实现了餐馆的局域网前台订包间、点菜、结账和帮助功能;同时实现了管理员管理系统的信息查询和添加数据等功能。