重点介绍了数字有线电视机顶盒的信道解码部分的设计。
This article focuses on the channel decode design of digital cable STB.
联合MAP多用户检测与信道解码的迭代多用户检测(MUD)技术可显著提高宽带移动CD MA系统的容量和性能。
The technique combining MAP-based multi-user detection (MUD) with channel decoding can greatly improve performance and capacity of broadband CDMA mobile communication systems.
介绍了美国数字有线电视传输标准以及一种采用DSP技术进行软件信道解码的方法，给出了所用关键技术和实现算法。
American digital video transmission standard for cable Television was introduced and a software method was illuminated to implement channel decoding by DSP technology.
在消息解码的过程中，沿着信道的噪声可能干扰接收机对来自发送机的信号的解释，其可以破坏或失真信号。
In the process of message decoding, noise along the channel may interfere with the receiver's interpreting of the signal from the sender it can destroy or distort the signal.
通常，一个给定的语音样本通过语音信道，在编码，分组，传送和解码过程中会遭到不同类型的损伤。
Generally, a given speech sample is played over the speech path, where it presumably undergoes various types of impairments during encoding, packetization, transmission, and decoding.
基于一定的解码状态，声码器通过最小均方误差（MMSE）估计的方法估计最优参数，充分降低信道误码对重建语音质量的影响。
The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.
差错控制可以在信源编码和信道编码的各个环节进行，如：预测、变换、量化、可变长编码、比特流结构、复用以及解码等。
Error control can be done in any step such as prediction, transform, quantization, VLC, bitstream syntax structure, channel coding, decoding and etc.
为了解码需要样品的宽度文件(比特数)，和采样频率(赫兹)，和本的信道数。
In order to decode the file you need the width of the samples (number of bits), and the sampling frequency (Hertz), and the number of channels present.
与传统解码的算法不同，该算法无需在发送端进行信道相关矩阵的估计和预编码，降低了发送端的编码复杂度。
Compared to the traditional decoding algorithms, the proposed scheme is no need to estimate the correlation matrix of the channel and pre-code at the transmitter, and its coding complexity is reduced.
对时变多输入多输出（MIMO）信道的估计和跟踪是实现MIMO系统接收端准确检测、解码等的前提。
Channel estimation and tracking in time-varying MIMO wireless communication systems play a key role in detecting, decoding and recovering the transmitted ingormation at receiver side.
在研究红外信道特性的基础上，给出了一种用于提高红外无线互联网接入速率的HHH(1,13)码的编解码方案。
At last, it gives out a coding and decoding scheme of HHH (1, 13) code, which can advance the connection speed of infrared wireless Internet.
设计中采用了DSP、低比特率语音压缩编解码、信道复用、快闪存储、串口和调制解调器通信等技术。
In this design many technologies such as DSP, low bit-rate speech compression, channel multiplexing, Flash Memory and communication with modem through se rial port are used.
为降低在窄带高误码率信道上语音传输的失真，针对基音参数提出了一种解码端抗差错算法。
A pitch error resilience scheme was developed to reduce speech distortion through narrow band channels with high bit-error-rates.
论文在解码侧对虚信道参数进行像素级在线估计，并提出一种利用部分解码帧迭代生成边信息的方案提高边信息的质量。
We perform pixel level online estimation of virtual channel model parameters at decoder, and propose a new SI generation scheme with iterative decoding witch USES a partially decoded frame.
文中提出了信道译码硬件实现的一种方案，解决了其中删节码的解码和Viterbi译码后同步等难题。
This paper introduces a method of hardware implementation in channel decoding, giving an emphasis on the decoding of punctured code and synchronization module following Viterbi decoder.
针对空时分组码子空间盲解码算法在空间相关信道下性能下降的问题，提出了一种修正解码算法。
Due to the performance degradation of subspace-based blind decoding of space-time block codes (STBC) over spatially correlated channels, a revised decoding algorithm was proposed.
由于联合信道估计与解码技术可以利用通信系统不同模块之间的“软信息”交换，从而有效地提高了信道估计准确程度和解码器的性能。
Using these techniques, the precision of channel estimation and the performance of decoder can be improved effectively by exchanging information between different units of a communication system.
先分析了RS码的编解码原理，RS（204，188）码可以纠错8位的随机误码，适用于DVB标准数字电视的信道纠错。
RS(204,188)are capable of eight random error correcting which is applicable in DVB standard digital television channel error correction.
通过利用编码中的旋转不变性，数据融合点无需了解信道状态信息(CSI)即可直接解码。
By elegantly exploiting the rotational invariance property of the coding technology, a direct decoding algorithm without knowing channels state information (CSI) is derived in data gathering node.
论文重点研究了DVB - H系统中各个信道编码，包括伪随机码，RS码，压缩卷积码和内外交织的编解码算法。
Then it researches the different kinds of channel codec in DVB-H system, including pseudo random code, RS code, punctured convolutional code and interleaving.
图像在不可靠信道中传输时由于信道误码和数据丢包等因素的干扰，解码图像的质量会受到很大的影响。
When image transmitted over unreliable channels, the decoded image quality will be damaged because of bit errors and lost packets.
本文探讨了无线移动信道中空时格形码的一种自适应解码技术。
The problem of adaptive decoding of space time trellis code (STTC) on the mobile wireless channels is considered in this paper.
然而时统信号在通过数字信道传输后却会产生畸变，使其在普通解码时会产生各种误差而使测控数据无法使用。
However, the signal in the digital channel has distorted so that the general decoding method fails to generate the correct signals.
其中软件算法部分全部在主机CPU中实现，其中包括信道初始化，比特分配策略，符号同步，信道均衡，回波抵消，编码解码，FFT和IFFT等等。
The software algorithms are realized in host CPU, including channel parameters estimation, bit allocation, equalization, echo cancellation, FFT, IFFT, encoding, decoding, etc.
在接收机侧，当接收质量高于对主信道进行成功解码所需要的阈值时，再现主信道。
On the receiver side, when the reception quality is above a threshold necessary to carry out a successful decoding of the main channel the main channel is reproduced.
香农定理的局限性，为信源信道联合编码/解码提供了理论的依据。
Rate allocation for joint source channel coding of the image over a wireless channel;
香农定理的局限性，为信源信道联合编码/解码提供了理论的依据。
Rate allocation for joint source channel coding of the image over a wireless channel;
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