Shannon limit
英 [ˈʃænən ˈlɪmɪt]
美 [ˈʃænən ˈlɪmɪt]
网络 香农极限; 香农限
双语例句
- The focus is on coding techniques for approaching the Shannon limit of additive white Gaussian noise ( AWGN) channels, their performance analysis, and design principles.
重点主要在编码的技术，以处理加成性白色高斯杂讯（AWGN）的通道中进似Shannon极限、其效能的分析与设计原理。 - Because of approaching the Shannon limit, easily implement and low complication, it has momentous significance to improve the capability of digital communications.
该码逼近香农限，易实现，系统复杂度低，对提高数字通信的性能具有重要意义。 - At the same time, the simulation analysis on the decoding performance of Turbo codes was given, and the results show that under the certain conditions, Turbo codes approaches the theoretical Shannon limit, which proves its excellent performance of decoding.
同时对其译码性能进行了仿真分析，结果表明，在特定的参数条件下，其误码率接近香农极限，验证了其优异的纠错译码性能。 - Simulation results of WCCs with twill structure over AWGN show that the BER performance is affected greatly by the transmission frame length and the number of encoders, which also indicate that the error-correcting performance approaches Shannon limit and has no error floor.
通过系统仿真，在AWGN信道下发现斜纹编织卷积码的系统性能与系统传输帧长和编码器个数都有很大的联系，其误码性能十分接近香农限，且没有错误地板效应。 - Turbo code represents the most advanced channel coding technology in the world nowadays. Because its error-correcting performance is very closely to the Shannon limit, Turbo code attracting concern and study of countless experts and scholars in communication domain once it appears.
Turbo码代表着当今世界上最先进的信道编码技术，因为它具有极其逼近香农极限的纠错性能，所以Turbo码一出现便吸引了通信领域无数专家学者的关注与研究。 - MIMO can linearly increase the volume of the system, breaks through the traditional Shannon Limit of SISO channel.
MIMO可以线性地提高系统的信道容量，突破了单输入单输出信道的仙农容量极限。 - In AWGN channel, this paper gives the Shannon limit analysis of BFSK coherent detection.
本文还对BFSK信号相干检测在AWGN信道模型下的香农限进行了分析。 - The main results and contents of this dissertation are as follows: 1. The developments in channel coding theory are surveyed. It includes the Shannon theorem, Shannon limit, concatenated codes, soft decision decoding and Turbo codes.
从信道编码定理和Shannon限出发介绍了信道编码理论与技术的发展，包括级联码、软判决及Turbo码的提出。 - As a result of computer simulation, under spe-cial parameters and Add White Gauss Noise ( AWGN) channel, the BER performance of Turbo Code is very close to Shannon Limit.
C.Berrou所作的计算机的仿真结果表明，在加性高斯白噪声无记忆信道（AWGN）上，在特定的参数条件下，Turbo码的误码率可以达到与Shannon理论极限极其接近的性能。 - On the basis of channel capacity and shannon limit of information theory, we introduce the Turbo codes which obtain the near capacity performance.
本论文在信息论的信道容量及香农编码理论的基础上，引入了接近香农理论极限的信道编码Turbo码。 - Since 1993, much interest of the coding community has focused around turbo codes, whose bit error rate is very close to Shannon limit.
自1993年以来，编码界就对一种新的纠错turbo码投以极大上的新趣。Turbo码的误码率非常接近香农极限。 - Conventionally, DTV systems adopt coding schemes such as RS or convolutional codes, or concatenated codes, where the error correction performance is still quite far away from the Shannon limit.
通常的，数字电视系统采用的信道编码方案为RS码或卷积码，或二者的级联码，它的纠错性能与香农极限相比，仍有一定的距离。 - For its near Shannon limit error correcting capability, Turbo codes may be suitable for satellite communication systems.
Turbo码以其接近信道容量的纠错能力而在卫星通信中有广阔的应用前景。 - Turbo code demonstrates excellent performance of nearing the Shannon limit, mainly because it has adopted the thought of iterative decoding.
Turbo码表现出了接近香农理论极限的优异性能，主要是由于它采用了迭代译码的思想。 - Because Shannon has proved that random code had the nearly Shannon limit performance, random code is be attention when it is once discovered.
由于香农在信道的编码理论中证明了随机码达到近Shannon限的性能，所以一经提出便受到关注。 - Low density parity-check ( LDPC) code was proposed in 1962 by Gallager, which is a kind of linear block codes based on a sparse check matrix. its decoding performance can achieve Shannon Limit.
低密度奇偶校验（LDPC）码是由Gallager于1962年提出的一种基于稀疏校验矩阵的线性分组码，具有逼近香农限的良好译码性能。 - Because of its near Shannon limit performance, turbo code has been the focus of channel coding area quickly.
由于其接近Shannon极限的译码性能，Turbo码迅速成为信道编码领域的研究热点。 - The target of channel coding research is to find a good code which has both the linear encoding and decoding complexity, and performance that closes to Shannon limit.
寻找一种具有线性编译码复杂度且译码性能接近香农限的好码是信道编码研究的目标。 - Low-Density Parity-Check ( LDPC) Codes are a class of channel codes based on graphs and iterative decoding whose performance is very close to the Shannon limit with low complexity and have strong error control strength.
低密度校验（LDPC）码是一种基于图和迭代译码的信道编码方案，性能非常接近Shannon极限且实现复杂度低，具有很强的纠错抗干扰能力。 - Low-Density Parity-Check ( LDPC) codes are one kind of error control codes, whose performance can be near Shannon limit.
低密度奇偶校验（Low-DensityParity-Check，LDPC）码是一种先进的信道编码技术，它具有逼近香农限的纠错性能。 - This article, for example, using the tail biting convolution code encoder after interleaving make out the greatest degree of randomness coding, which is consistent with the conditions of approaching the Shannon limit.
以本文为例，采用的咬尾卷积码编码器经过交织器交织后，最大程度的实现了随机性编码，这就非常符合逼近香农极限的条件。 - In various channel coding technology, the turbo product code ( TPC) has become the focus in the ECC field and has a very broad application prospect which dues to its relatively simple coding and decoding method and error correction ability near the Shannon limit.
在众多差错控制编码中，Turbo乘积码（TPC）因具有相对简单的编译码方法和接近香农限的纠错能力，已经成为信道编码领域的研究热点，具有广泛的应用前景。 - The performance of the two error-correcting codes has been close to the Shannon limit, however, the high decoding complexity and large processing delay restricts the application of the two codes.
虽然这两种码的纠错性能已逼近香农信道容量的极限，但其较高的编译码复杂度和较大的处理时延仍然限制了它们的应用。 - It has the following many advantages: simple description, the low decoding complexity, parallel implementation, the use of a relatively flexible, low error platform, may be approaching the Shannon limit and so on.
它具有如下诸多优点：描述简单、较低的译码复杂度、可以并行实现、使用相对灵活、错误平台较低、可以逼近香农极限等。 - In the paper, we describe the channel coding theorem, the Shannon limit and the coding gain at first, and introduce the optical system architecture.
本文首先描述信道编码定理和香农限与编码增益的概念，并对本文在光通信系统中应用的架构进行了介绍。 - Low-density parity-check ( LDPC) codes have been shown to form a class of Shannon limit approaching codes, and have become an attractive research area in the channel coding field recently.
低密度校验（Low-DensityParity-Check，LDPC）码是一类逼近香农容量限的编码技术，已成为当今信道编码领域的研究热点之一。 - Low-density parity-check codes are a class of linear block codes which approach Shannon limit.
低密度奇偶校验码是一类逼近香农限（信道容量）的线性分组码。 - Polar code is so far the only kind of channel coding scheme which can achieve the Shannon limit in theory with low complexity encoding and decoding algorithm.
Polar码是至今为止理论上唯一可达到香农限的一类信道编码理论，而且具有低复杂度的编译码算法。 - Low-Density Parity-Check ( LDPC) codes have been shown to have good error correcting performance that approaches the Shannon limit.
低密度校验码（Low-DensityParity-CheckCodes，LDPC）已经被证明是一类纠错性能逼近香农限的渐近好码。 - Turbo code schemes were immediately aroused a strong reaction of the communication sector since their excellent error correction performance which is near the Shannon limit and the channel coding theory has entered a new era.
Turbo码具有接近Shannon极限的优异纠错性能，因此该编码方案一经提出立即引起了通信界的强烈反响，从此信道编码理论步入了一个崭新的时代。