译码的

A new symbol-constrained joint source-channel decoding algorithm for VLCs is presented.By constructing double-tree VLCs sources,the propagation-error problem is evidently alleviated.Meanwhile,by applying symbol-constrained method to MAP algorithm,not only the a priori probability of VLCs sources is efficiently utilized,but also the Symbol Error Rate is reduced enormously.

提出了一种新的针对不等长编码信源的符号约束MAP联合译码算法，利用VLCs双树信源的构造方法，有效地抑制了VLCs的错误扩散；同时，通过将"符号约束"的思想应用于最大后验概率译码算法，不仅充分利用了信源先验信息，而且极大地降低了误符号率。

Simulation results show that our algorithm enforces the adaptability of differential space-frequency modulation to the time delay expansion.Finally, we give our work to reduce the complexity of multiple symbol differential sphere decoding in differential space-time modulation. Through the modification of the enumeration strategy of the search tree in sphere decoding, we significantly reduce the complexity of detection at the expense of little loss on performance.

理论分析和仿真结果都验证了这种检测算法对长信道时延的适应能力论文最后还对差分空时调制中的多符号检测算法进行了研究，提出了一种降低差分空时调制系统中多符号差分球形译码算法复杂度的方法，通过改进球形译码中搜索树的排序策略，使得系统在牺牲较少性能的基础上大大降低了算法实现的复杂度。

The first proposal still keeps on using the same Fast Walsh Transform as used in the decoding process for 5.5 and 11 Mbps data rates. The FWT of the second proposal has been modified to adapt the increased data rates of 16.5 Mbps.

两个方案的编码过程变化不大，第一方案的译码还是采用对5.5和11Mbps数据率所使用的快速WALSH变换，第二个方案的译码被修改成适合于16.5Mbps数据率的快速WALSH变换。

The elements in Galois field can be represented in several kinds of basis.In this paper,a Galois field elements are represented first by a polynomial basis.

在RS码的编译码电路中，主要涉及的基本运算电路单元是有限域的加法与乘法运算，其中对译码器性能影响较大的是乘法器的选择与设计。

Based on optimizing the interleave algorithm of 3GPP, a turbo encoder is implemented using FPGA technique.

在对3GPP的交织算法进行优化的基础上，基于FPGA技术实现了Turbo码编码器；在对用Max-Log-MAP算法进行优化的基础上，基于DSP技术实现了Turbo码的译码器；最后通过接口实现了一个完整的Turbo码编、译码系统。

A new decoder architecture is proposed to solve the problem of huge resources use in traditional LDPC decoder, which needs less logic resources and memory resources by dividing submatrix to improve serial factor of decoder.

针对传统译码器硬件资源消耗巨大的缺陷，提出一种新型的译码器硬件实现方案，通过切割子矩阵的方法，进一步提高硬件结构的串行度，从而大大减少了逻辑资源和存储块的使用。

Then we introduce a simplified decoding algorithm for Turbo codes based on convolutional code...

然后介绍了一种基于卷积码的Turbo码的简化的译码方案，该方案在保持性能基本不变的情况下大大减小了译码所需的存储容量。

In this paper, the reason of this phenomenon is firstly analyzed. Secondly, an algorithm of combining weight at high layer is proposed for SD, aiming to reduce the probability of accessing into the high layer of the tree in the searching process of SD so as to decrease the complexity.

在分析了这一现象的原因后，本文提出了在高层对权值进行合并的一种球形译码算法，因为其减小了译码搜索过程中对树的高层节点的访问的概率，由此降低了搜索复杂度。

In the CDMA cellular system based on SIC, the numbers of possible rate modes and decoding orders grow exponentially with the number of users. How to efficiently allocate rates is an NP problem, which involves the joint optimization of rate allocation and decoding order adjustment.

在基于SIC的CDMA蜂窝系统中，可能的速率模式与译码顺序随着用户数的增长而指数增长，如何有效地分配用户速率是一NP问题，需要考虑速率分配与译码顺序调整的联合优化。

The ARM11MP technology has 10 licensees and the first chips are coming to market this quarter, he said.

分析原因就在于，家电产品其实需要用到多核处理器的产品不多，在应用最多的影音产品方面，大部分厂商都采用专用的硬件译码电路或者是DSP来进行编译码，直接采用多核处理器的效益不明显。

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。