译码的

This paper describes the structure of the seven sections of digital tube that principle, the principle of dynamic scanning, decoding principle, and on this basis, using hardware description language VHDL programming cathode seven sections of digital tube a total of four digital display of the cycle 1 - F, and Quartus Ⅱ platform in the realization of the modules on the timing and top-level simulation of timing simulation module, downloaded to the final realization of the development board of the digital characters and the show rolling.

本文还介绍了七段数码管的结构，显示原理，动态扫描原理，译码原理，以及在此基础上用硬件描述语言VHDL编程实现4位共阴极七段数码管循环显示1-F，并在QuartusⅡ平台上实现了各个模块的时序仿真和顶层模块的时序仿真，最后下载到开发板上实现了数字和字符的滚动显示。

Some common used channel codes are introduced, and emphasis is placed on linear block codes, cyclic codes, BCH codes, RS codes, convolutional codes and the promising turbo codes, which is planned to be implemented in the third locomotive communication systems. Their performance is analysed and compared. And some method to reduce errancy is submitted, also the interleaved technique is introduced.

文章介绍了几种常用的信道编译码方案，如线性分组码，循环码，BCH码，RS码，卷积码等，分析和比较了它们的性能，并对第三代移动通信系统的选用码Turbo码作了简要介绍，对提高纠错性能提出了若干改进方案，同时介绍了交织技术减少差错的作用。

The random code, RS error correction code and convolution interleave code are realized.

其中，RS采用的优化快速译码、卷积交织的寻址计算方法、算法的合理优化，大大提高了编解码器的运行速度和系统性能。

In the development of the home's inside receive/send controller , the two level interrupt receive device , which was compose of interrupt controller , was adopted to realize the home's digital signals' collection , the A/D converter was adopted to realize the home's digital signals' collection . The A/D converter was adopted to realize the home's analog signals' collection .

在家庭智能化内部收发控制器的设计中，采用中断控制器组成二级中断接收装置实现对家庭数字信号的采集，采用A/D转换器实现对家庭模拟信号的采集，采用译码器实现对数字信号的传出。

This design applies the Top-Down design method and the modularization idea to the programming of CPU. Additionally, this paper explains the implementation of registers, ALU, the instruction decoders modular and the microinstruction generation modular in details.

本设计采用了自顶向下的设计方法和模块化的设计思想，编写了处理器的代码，并具体阐述了寄存器，算术逻辑器件，指令译码模块，微指令形成模块的实现细节。

In chapter five, the base band signal process of CDMA base station simulator system is introduced, including channel coding and decoding, interleave and disinterleave, PN sequence generator, orthogonal spread spectrum and quadrature Spreading, scrambling code, power control, digital forming filter, the capture and track of PN code, dispreading and demodulation, etc. Some FPGA design graphic and waveform simulation of base band transmitter module is given and realization algorithm of base band receiver is discussed in detail.

第五章介绍了CDMA基站仿真系统的基带信号处理过程，包括信道编译码、交织与去交织、PN码发生器、正交扩频与四相扩频、扰码、功率控制、数字成形滤波器、PN码的捕获与跟踪、解扩与解调等，并给出了基带发射机模块的部分FPGA设计原理图和波形仿真，详细论述了基带接收机模块的实现算法。

An algebraic construction method for LDPC codes with 8-girth is proposed based on complete residue system.

最后，在分析、研究现有构造方法的基础上，基于代数中的完全剩余系，作者提出了一种代数构造方法，使得LDPC码对应因子图上的围长为8，并采用计算机对其性能进行了仿真，结果表明该码能够取得比较理想的译码性能。

The BS unit in datapath uses partial-decoded scheme. The study of this chapter is also very important for the design of BSes used in significand alignment and normalization in floating-point operation.

这些设计方案的研究不仅对设计数据路径中的BS部件来说是必要的（该部件采用部分译码方案），而且为后面浮点操作中完成进行尾数对齐和规格化处理BS的设计提供了基础。

Noncoherent space-frequency coding in MIMO-OFDM is an important method to obtain space and frequency diversity in the absence of channel state information.

非相干空频编码是在无法得到精确信道信息的情况下获取MIMO-OFDM系统中空间分集和频率分集的重要手段，而目前非相干空频码的研究还是将整个OFDM符号看作是一个码字，这样大大增加了系统的编译码复杂度。

The simplest example is when the sender (whom cryptographers usually call Alice) dispatches a stream of them to the receiver. These photons will have one of two modes.

举个最简单的例子，当发送方将一束光子流传送给接受方，必须从两种模式中的选取一种对其中的光子进行编码（译码者通常称发送方为爱丽丝，接受方为鲍勃）。

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。