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- soft output Viterbi decoding 软判决维特比译码
- This paper introduces a lower complex deco ding algorithm based on soft output Viterbi algorithm (SOVA) for Turbo STCM. 本文基于一种改进的 ( Soft-outputViterbi algorithm,SOVA)译码算法 ,提出了针对 Turbo-STCM的并行迭代译码方案。
- SOVA ( soft output viterbi algorithm) SOVA算法
- Thus the soft Viterbi decoding algorithm can be performed.It is shown that more coding advantages can be gotten compared with the traditional uncoded DUSTM which is deco... 仿真结果表明该方案相比传统的基于单符号最大似然解调的DUSTM系统性能有大幅提升,且比编码DUSTM系统具有更高的频谱利用率。
- This paper advanced the programming method and some techniques during soft implementation of viterbi decoding using the traceback algorithm on the basis of the analysis of viterbi decoding theory. 本文在分析维特比译码原理的基础上，提出了用软件编程实现回溯方式的维特比译码的设计方法和处理技巧。
- Node synchronization in Viterbi decoding is achieved rapidly using the Barker sequence as the head of interleaving frame. 同时还采用了巴克码作为交织帧的帧头;在Viterbi译码时可以快速地进行节点同步;防止出现比特位模糊.
- In Viterbi decoding process, consonant units contribute less to the gross matching score than vowel units due to their short duration. 为此作者握出了一种新的模型--基元模板耦合模型： 在语音过渡段，任何观察的输出均为两个相接基元模板共同作用的结果。
- As an example, we calculate the Euclidean distance spectrum of error paths under viterbi decoding and BER upper bound for four-state Trellis-coded 8 PSK. 以四状态网格编码8 PSK系统为例,计算了维特比译码时错误路径的欧氏距离谱及由此得到的误比特率上限。
- In the convolutional coding modules, (2,1,6) convolutional coding and Viterbi decoding are simulated and studied according to the international standard of satellite communication. 在卷积信道编码中，基于卫星通信的国际标准进行了(2,1,6)卷积编码和Viterbi译码的试验仿真；
- Improved viterbi decoding method used in HDTV 用于HDTV的改进的Viterbi译码方法
- Traceback schemes used in Viterbi decoders can be categorized as multi-pointer method and one-pointer method. 摘要腓特比解码器使用多指标回溯法或单指标回溯法作为回溯架构。
- Keywords Concatenated Codes,Bounded Distance,Decoding ,Performance,,,,, Multicarrier Modulation,Permutation,Soft Decision,Soft Output; 级连码;限界距离;译码;性能;多载波调制;置换;软判决;软输出;
- An implementation method of the Viterbi decoder using CSI in COFDM digital TV broadcasting system is also investigated in this paper. 研究COFDM数字TV广播系统中使用CSI的维特比译码器的一种实现方法。
- The behavior of a Viterbi decoder was described in VHDL, and then the VHDL description was modified to embed the low-power design. 开关过滤电路应用于回溯部分。维特比解码器行为是用硬件描述语言编写的，通过对其修改加入低功耗设计，再通过逻辑综合得到门级电路。
- According to the invention, the number of the required memory cells to perform the path measurement computation of the Viterbi decoder is reduced. 依照本发明，能够减少维特比译码器进行路径度量计算所需的存储单元的数目。
- This paper presents the configuration of Viterbi decoder and the problems that should be considered in the design when using ASIC approach. Two designs are given as an example. 本文首先介绍维特比译码器的结构,然后介绍设计专用集成电路应考虑的问题,并给出两个专用集成电路的设计实例。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- Therefore, how to design high-performance and low-power Viterbi decoders has become one of the key issues in the advanced wireless digital communication systems. 因此如何设计一个高效能、低功率的腓特比解码器对于前胆性无线通信系统显得非常重要。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- soft output iterative decoding 软输出迭代译码
