信源解码

该算法由基于MS估计的软输入信源解码和基于迭代结构的维特比信道解码两部分组成。

The algorithm is composed of soft-bit source decoding based on MS estimation and Viterbi decoder based on iterative structure .

CDS模块是一种无阻塞结构，在交换结点处不需要解调/再解调、信道解码/再编码、信源解码/再编码和数据缓存。

The CDS fabric is nonblocking , and it does not require demodulation / remodulation , channel decoding / reencoding , source decoding / reencoding and data buffering at the switch node .

HDTV信源解码SoC中解复用的设计与实现

Design and Implementation of TSD in HDTV Source Decoder SoC

这种音视频同步算法已经成功地应用于作者研制的高清晰度电视（HDTV）信源解码功能样机中。

This audio video synchronisation algorithm is successfully adopted in the HDTV source decoder functional prototype .

第三章具体描述应用于HDTV信源解码芯片的实时操作系统存储管理策略的设计及实现。

Chapter 3 presents the design and implementation of memory management of RTOS for the HDTV integrated source decoder chip .

把TS流解复用、视频解码和音频解码集成到一块芯片上，并嵌入RISC核来负责整个系统控制和部分算法任务，是当今数字电视信源解码芯片设计的趋势。

Integrating TS De-multiplexing , video decoder and audio decoder into single chip with embedded RISC core is the trend of DTV source decoder design .

第四章对芯片中信源解码部分进行研究，按实现功能分为系统层解析、音频解码、HDTV视频解码和新一代多媒体应用四个部分。

According to the function , the source part can be partitioned four sub-parts , which are system-level parsing , audio decoding , HDTV video decoding and multimedia application .

提出一种用于HDTV信源解码SoC芯片中的CRC并行算法，完成对输入传输流数据中PSI信息的CRC校验。

This paper presents a kind of parallel CRC algorism for HDTV SoC platform . The algorism is used to do CRC check for the PSI information included in TS stream .

仿真实验表明，在无线网络带宽和信道误码率不同的情况下，这种最优策略都能使接收端信源解码后的视频图像峰值信噪比（PSNR）既稳定又具鲁棒性。

Simulation results show that , as the bite-error rate and band-width of the wireless channel change , the proposed scheme endues the PSNR of the decoded video picture at the receiver with stability and robustness .

该解码器也可应用于数字音频广播的信源解码。

This decoder can also be used in Digital Audio Broadcasting systems .

解码芯片主要完成MPEG-Ⅱ的信源解码；

The function of MPEG-II decoding chip is to decode the MPEG-II encoded data .

本文给出一种综合解码接收机的实现方案，重点研究了信源解码技术，对解复用进行了软件设。

In this paper a realizing project about IRD is put forward ; the technology of source decoding is researched ; and the software system of AViA_DMX is designed .

在软件方面，本文着重论述了数字电视信源解码所涉及的音频核心解码算法在嵌入式实时操作系统μC/OS-II上的具体实现。

In this paper , the key algorithm of the digital TV source decoder , audio decoding , has been researched and realized on the real-time operation system μ C / OS-II .

面向HDTV信源集成解码芯片的软硬件协同设计研究

Harware / Software Codesign Research on Hdtv Integrated Source Decoder Chip

本文以HDTV信源集成解码芯片为开发背景，研究和实现了应用于该SOC芯片的实时操作系统的存储管理策略。

In this thesis , we research and implement me memory management methods of RTOS for the HDTV integrated source decoder chip .

信源集成解码芯片的设计，就是将系统层、视频和音频的解码算法映射到处理器设计空间的过程。

The design process of SOC is to map decoding algorithm for TS ( Transport Stream ) , video and audio into processor design space .

基于迭代结构和MS估计的信源信道联合解码

Joint Source-Channel Decoding Based on Iterative Structure and MS Estimation

基于MS估计和迭代结构的信源信道联合解码系统性能分析

Performance Analysis of Joint Source-Channel Decoding Based on MS Estimation and Iterative Structure

无线通信中压缩图像传输的信源信道联合解码

Joint source channel decoding for compressed image transmission over wireless communication

面向空间通信不平等差错保护的联合信源信道编解码方法

Joint source-channel coding / decoding based on unequal error protection in space communication

高清晰度电视信源压缩编解码系统的研究

Research on HDTV Source Compression Codec System

迭代结构的信源信道联合解码及其简化算法

Simplified Iterative Joint Source-Channel Decoding Algorithm

利用语音识别和语音合成技术对信源编码与解码的方法，使信息在信道中低码率传输，能够解决水声信道容量有限的问题。

The use of speech recognition and speech synthesis technology for source coding and decoding methods , which make it easy to transmit in low bit-rate , can solve the problem of limited acoustic channel capacity .

20世纪七八十年代开始，随着数字处理技术的发展和成熟，传统的无线电台，从系统的控制、信源信道编解码、硬件技术等多方面都实现了从模拟到数字的过渡。

Since 1970 's , with the development and maturation of digital signal processing technique , traditional radio stations migrated from analog to digital in the aspects of system control , signal source and channel codec , and hardware technique .

结合残留冗余信息与MMSE估计的信源信道联合编解码

Joint source-channel coding using residual redundancy and MMSE estimation

详细阐述了信源、信道编解码原理，对HDLC规程、CRC校验、ARQ差错控制方式进行详细介绍，并在Visualc++6.0平台上实现了传真报文的ECM方式传输。

The principles of source code and channel code are expatiated . The presentations of HDLC procedure , CRC , ARQ are given . The ECM transmission of the facsimile document is implemented on Visual C + + 6.0 platform .

一种新的信源信道联合迭代解码

A New Joint Source Channel Iterative Decoder

过去十年中，视频编解码技术取得空前的发展，国内外科研技术人员的不懈努力催生了大量的信源音视频编解码标准。

In the past ten years , many researchers around the world have engaged in improving the video compression technology and have developed many audio video codec standards .

提出了一种应用于矢量量化信源的QPSK调制的信源信道联合解码的新方案。

An investigation of joint source channel decoding ( JSCD ) methods using QPSK modulation applied to a vector quantization source was presented .

仿真实验表明对于具有时间相关性的高斯信源和加性高斯白噪声信道，与信源信道独立解码相比，联合算法得到的参数信噪比提高了近10dB，有效提高了接收系统性能。

Compared with separate source channel decoding , the joint algorithm has a gain in the parameter SNR of about 10 dB for colored Gaussian source and AWGN channel .