单词 | ldpc | ||||||||||
释义 | ldpc
更多释义 收起释义 例句释义: 低密度奇偶校验码,低密度校验码 1. Then the destination node jointly decodes the messages from the source and relay nodes. We call such a procedure as a network LDPC code. 目的节点可以利用源节点和中继节点的信息进行联合译码,我们称之为网络LDPC编码。 www.boshuo.net 2. Low Density Parity Check (LDPC) codes are a good liner block codes, which perform at a rate extremely close to the Shannon capacity. LDPC(低密度奇偶校验码)是一种优秀的线性分组码,可以以距离香农限非常近的速率传输。 www.lw23.com 3. The invention can avoid a check bit of indirect continual deleting the LDPC code. 本发明方案可以避免间接连续删除LDPC码的校验比特。 ip.com 4. Cyclic shift permutation structure is an important part of partial parallel decoder for quasi-cyclic LDPC codes. 循环移位置换单元是准循环LDPC码的部分并行译码器的重要组成部分。 www.dictall.com 5. A construction method and an encoder design scheme for layered approx regular low-density-parity-check (LAR-LDPC) codes were proposed. 提出一种分层近似规则(LAR)LDPC码的构造方法及其编码器的设计方案。 www.ceps.com.tw 6. Then, the encoding and decoding methods of LDPC have been discussed, including some popular sub-optimal BP algorithms. 然后,介绍了LDPC码的编译码方法,包括一些热门的次优BP算法。 www.fabiao.net 7. This paper firstly overviews the efficient encoding of LDPC codes, based on which we proposes a linear encoding for UEP. 首先回顾了LDPC码的有效编码,然后在此基础上提出了一种应用于不等错误保护的线性复杂度编码方法。 www.ceps.com.tw 8. For the low density and randomicity of the parity check matrix, LDPC codes can easily combine with high order modulation. 由于LDPC码的低密度性和校验矩阵的随机性,它可以很容易地与各种高效调制方式相结合。 www.juhe8.com 9. Of encoding algorithm, a conventional algorithm and an efficient algorithm suitable for QC LDPC code are discussed. 在编码算法里讨论了传统的编码算法以及准循环LDPC码的快速编码算法。 www.fabiao.net 10. And proposes an algorithm to search for the incidence matrices of the simple balanced-cycles of arbitrary length. 分析了准循环LDPC码的平衡环的结构,并给出了搜索任意长度的最简平衡环的关联矩阵的方法。 kns50.chkd.cnki.net 1. Designing masking matrixes and choosing cyclic shift indexes are two sticking points in constructing large girth structure LDPC codes. 构造大围线结构化LDPC码的两个关键问题是模板矩阵的设计和循环移位次数的选择。 soso.361xs.com 2. Thus high-efficient LDPC decoder simplifies the multi-rate QC-LDPC decoder, as demonstrated by simulations and implementation results. 仿真和实现结果证明,该文提出的高效译码器结构适用于各种QC-LDPC译码器的简化设计。 www.71155.com 3. The performance of irregular systematic LDPC-coded non-ideal relay cooperative communication system is studied. 研究了基于非正规LDPC系统码的非理想中继协作通信系统。 www.dictall.com 4. This paper introduces a class of network coding based on LDPC code for a cooperative network and extends it to multi-hop network. 采用LDPC码的结构研究了协作分集网络中的网络编码构造,并把它拓展到多跳网络中。 www.dictall.com 5. To construct LDPC codes with no cycles of four sides or less, sufficient conditions on the recursion parameters were derived. 推导了为避免四边以及更少边的循环,迭代参数所需要满足的条件。 www.ceps.com.tw 6. Low density parity-check (LDPC) codes were studied, and a new algorithm was proposed to construct LDPC codes based on graph theory. 在对低密度奇偶校验(LDPC)码进行分析的基础上,提出了一种基于图论的构造算法。 www.ceps.com.tw 7. Advanced researches on decoding algorithm and decoder structure of QC LDPC code are the focus of this thesis. 本论文主要对准循环LDPC码的译码算法和译码器结构进行了较深入的研究。 www.fabiao.net 8. Further more, these codes have flexible block length and code rate, and may be used in various areas. 并且采用该构造方法可以构造各种码长和码率的LDPC码,适应不同领域的应用。 www.ceps.com.tw 9. The channel decoding performance is improved with channel encoding error-correcting by using Low Density Parity-check Codes(LDPC) codes. 结合低密度奇偶校验码进行信道编码纠错,提高了信道译码性能。 kns50.chkd.cnki.net 10. It includes encoding and decoding algorithm of RS code and LDPC code. Finally it implement the RS encoder, RS decoder and LDPC decoder. 具体包括研究了RS编译码算法和LDPC编译码算法,最后实现了RS码编码器,RS码译码器和LDPC码译码器。 degree.fzu.edu.cn 1. Also by properly designing H matrix and data processing unit, the decoder can decode multi code length and multi code rate LDPC code. 另外通过合理地设计LDPC码校验矩阵(H矩阵)和译码器数据处理单元,使得译码器可以支持多种码长码率LDPC码译码。 www.airiti.com 2. The decoder employs the Normalized MSA algorithm, and Partially Parallel structure for LDPC code in CMMB standard. 本译码器采用改进的最小和译码算法及符合CMMB标准要求的部分并行译码器结构。 www.boshuo.net 3. For short and middle length LDPC codes, the oscillation of LLR owing to cycles degrades the performance of BP algorithm. 中短长度LDPC码在采用BP算法译码时,由于短环的存在会导致某些比特LLR值出现振荡现象,从而影响了译码性能。 lib.cqvip.com 4. For the time being, there is little research of applying LDPC codes to the atmospheric wireless optical communication. 目前对无线光通信系统在大气信道中应用LDPC码的研究少见于文献。 www.fabiao.net 5. The first chapter gives an overview of error correction coding and stressed development and application of LDPC codes. 第一章论述了纠错码的原理和发展,并对LDPC码的发展和应用做了重点介绍; www.fabiao.net 6. They show the low complexity of encoding while maintaining a good performance compared to LDPC codes. 它在继承LDPC码优越的误比特率性能的同时,还拥有比LDPC码更低的编码复杂度。 www.ceps.com.tw 7. Research on fast encoding of LDPC codes, especially on fast encoding method and encoding circuit of QC-LDPC codes. 对LDPC码的快速编码,特别是准循环LDPC码的快速编码方法和编码电路进行了研究。 www.fabiao.net 8. The equations for updating messages of different decoding algorithms of LDPC codes are induced. 推导了不同测度下LDPC码各种译码算法的消息迭代更新公式。 www.fabiao.net 9. Simulation results show that little performance degradation has been observed for LDPC coded system. 仿真结果表明该算法可以保证LDPC编码系统的性能接近精确同步情况下的性能。 kns50.chkd.cnki.net 10. Proposed a puncturing scheme for finite-length low density parity check code (LDPC) codes. 提出了一种有限长低密度校验码(LDPC码)的打孔方案。 www.showxiu.com 1. But the complexity at the receiver will increase greatly especially for LDPC codes. 但这会使译码复杂度大幅上升,特别是使用LDPC码作为分量码时。 www.juhe8.com 2. QC-LDPC codes constructed by circulant permutation matrices will lead to inevitable cycles, named balanced-cycles. 在用循环置换矩阵构造准循环LDPC码时会出现一类无法消除的环,称为平衡环。 dictsearch.appspot.com 3. There are two types of LDPC codes decoding algorithms: hard decision algorithms and soft decision algorithms. LDPC码的译码算法主要分为两类:硬判决算法和软判决算法。 www.fabiao.net 4. An optimized decoding algorithm of LDPC codes is proposed to reduce the complexity. 提出了一种简化的LDPC译码算法,以减小译码算法的复杂度。 search.codesoso.com 5. Irregular LDPC codes and series regular LDPC codes are used as inner codes and outer codes to reduce or even avoid errors floor. 以非规则LDPC码作为内码,串联一个高码率规则LDPC码作为外码,可降低或消除错误平层。 www.ceps.com.tw 6. This dissertation research the architecture and decoding algorithm of space-time concatenated codes based on LDPC code. 本文主要研究基于LDPC码的空时级联码的实现方案和译码算法。 www.fabiao.net 7. In this paper, a stopping criterion for irregular LDPC decoding is proposed. 本文提出了一种用于非规则LDPC码的译码停止方案。 www.fabiao.net 8. A code-aided iterative carrier estimation is proposed based on statistics of soft information from LDPC iterative decoder. 结合LDPC迭代译码输出软信息的统计特性,提出了一种适合于LDPC码的码辅助迭代载波同步技术。 www.fabiao.net 9. At last, an application is presented in the transmission of image using LDPC code. 最后,给出了LDPC码在图像传输中的应用。 www.juhe8.com 10. A construction method of structured low-density parity-check (LDPC) code with large girth based on quasi-cyclic technique is proposed. 提出了一种高围长结构化低密度校验码的构造方法。 www.ceps.com.tw 1. Based on the statistical properties of LDPC decoding algorithm, a new timing error recovery algorithm is presented. 根据LDPC码译码算法的统计特性,提出了一种新的符号同步误差校正算法。 kns50.chkd.cnki.net 2. Because the single-check code decoder(SISO) module is the core of operation unit in LDPC decoder, its implementation is described in detail. 由于单校验码译码器(SISO)模块是LDPC码译码器的核心运算单元,对它的实现也进行了详细说明。 degree.fzu.edu.cn 3. A new class of LDPC codes--CI-LDPC codes based on Column-Difference Search Algorithm and Iterative-filling principle is proposed. 通过列差搜索算法和迭代填充原理本文设计了准循环LDPC码的新码类——CI-LDPC码。 soso.361xs.com 4. This paper researches distributed video coding performance based on n-nary Low Density Parity Check(LDPC) code. 对基于多进制低密度奇偶校验(LDPC)码的分布式视频编码性能进行研究。 www.ecice06.com 5. An encoder architecture of low density parity check(LDPC) code defined in DVB-S2 standard is proposed. 针对DVB-S2标准中的低密度奇偶校验(LDPC)码,提出了一种LDPC编码器设计结构。 www.dictall.com 6. Parallel concatenated Gallager codes (PCGC) are a class of concatenated codes based on component LDPC codes. PCGC码是一种以LDPC码作为分量码的级联码。 www.ceps.com.tw 7. also in the same degree of redundancy, the scheme based on LDPC code has higher availability. 同样在相同的冗余度情况下,基于LDPC码冗余方案的数据有更高的可用性。 www.fabiao.net 8. Irregular LDPC codes have Unequal Error Protection (UEP) properly, however, that is difficult to utilize due to their random encoding. 非规则LDPC码具有不等错误保护特性,但随机编码过程使这一特性很难得以充分利用。 www.ceps.com.tw 9. Euclidean geometry LDPC and encoding algorithms based on the parity check matrix are mainly researched. 2. 重点研究了欧氏空间LDPC码和基于奇偶校验矩阵编码的算法。 www.fabiao.net 10. Based on the AWGN channel and the 16QAM modulation, a simulation for decomposable and non-multi-edge LDPC codes are shown. 在AWGN信道下,采用16QAM调制方式对构造的可分解和非多重边LDPC码进行仿真。 www.fabiao.net 1. LDPC Codes is a kind of linear group codes with near Shannon limit. LDPC码是一种接近香农限的线性分组码。 stae.com.cn 2. A new hardware implementation of LDPC coding arithmetic in DVB-S2 system based on FPGA is introduced. 提出了一种基于FPGA的DVB-S2系统中LDPC编码算法的硬件实现技术。 www.ceps.com.tw 3. Modeling of a Hard-decision Decoding Algorithm and the Sparse Parity-check Matrix for LDPC Code LDPC码稀疏奇偶校验矩阵与硬判决解码算法建模 www.ilib.cn 4. Two Novel Simplified Logarithm Likelihood Ratio Calculating Algorithms and Their Application in LDPC Codes 两种新的对数似然比简化算法及其在LDPC码上的应用 service.ilib.cn 5. Performance Comparison and Analysis of Two Decoding Algorithms for LDPC Codes 两种低密度校验码译码算法的性能比较与分析 www.ilib.cn 6. The Performance of Quasi-cyclic LDPC Codes and its Application in Image Transmission 准循环LDPC码的性能及其在图像传输中的应用 www.ilib.cn 7. Efficient implementation of the sum-product algorithm for quantized decoding of LDPC codes LDPC码量化和积译码的高效实现 www.ilib.cn 8. Weighted factor used in BP algorithm for LDPC codes and performance analysis 采用加权置信传播算法的LDPC码性能分析 www.ilib.cn 9. New Generation Correct Code of High Performance--the Instruction and Application Analyse of LDPC Code and Decode 新一代高性能纠错码--LDPC编解码介绍及应用分析 ilib.cn 10. Study of the LDPC code using cyclic shift matrices 一种基于循环移位矩阵的LDPC码的研究 www.ilib.cn 1. the applications of the constructed LDPC codes in various communication systems making the most use of their unique properties; 已构造LDPC码在各通信系统的合理应用,以期充分发挥这些LDPC码特有的性质; www.dictall.com 2. Analysis and improvement of the bit-flipping decoding algorithm for LDPC codes LDPC比特翻转译码算法的分析与改进 www.ilib.cn 3. Research on Application Technologies for LDPC Codes in Deep Space Communications LDPC码在深空通信中的应用技术研究 www.ilib.cn 4. A low complexity blind SNR estimator in decoder of high-order modulated LDPC code in mobile communication 移动通信中用于高阶调制LDPC码译码器的一种低复杂度盲信噪比估计器 scholar.ilib.cn 5. Joint encoding-decoding construction of LDPC codes with reduced complexity 低复杂度的LDPC码联合编译码构造方法研究 service.ilib.cn 6. Performance of a LDPC Code in Ultra Wideband System 一种LDPC码在超宽带系统中的应用 ilib.cn 7. Design and Performance Analysis by Synthesis of LDPC Codes and Trellis-Coded Modulation 网格编码调制结合低密度校验码的应用方案设计及性能分析 www.ilib.cn 8. LDPC Codes and Their Applications in Future Wireless Communication LDPC码原理及其在无线通信中的应用前景 www.ilib.cn 9. Iterative decoding for sparse sequence LDPC-coded multilevel coding 基于稀疏序列LDPC的多层码的迭代译码 www.ilib.cn 10. Density Evolution Method and Threshold Decision for Irregular LDPC Codes 不规则LDPC码的密度进化方法及其门限值确定 destinationnet.cn 1. Research of Performance Improvement of LDPC Coding and Decoding in Non -gaussian Noise 非高斯信道LDPC译码性能的改进研究 www.ilib.cn 2. Quantized Decoding of LDPC Codes with Belief Propagation Algorithm 基于置信传播算法的低密度校验码量化译码设计 www.ilib.cn 3. The Application of LDPC Codes in Frequency-hopping Communication System LDPC码在跳频通信系统中的应用 ilib.cn 4. An Improved Concatenation Scheme for LDPC and Convolutional Codes 一种改进的LDPC码与卷积码级联方案 www.ilib.cn 5. Performance analysis of LDPC code in fiber optic communication systems 一种LDPC码在光纤通信系统中的性能分析 www.ilib.cn 6. Fast quantized belief propagation algorithm for iteratively decoding LDPC codes 快速低密度校验码迭代译码量化算法 service.ilib.cn 7. An Optimization Method of Degree Distributions for Irregular LDPC Codes 非规则LDPC码度分布对的优化方法 www.ilib.cn 8. Research of Initial Decoding Message of LDPC Codes Over Multi Path Fading Channel 多径衰落信道下LDPC码初始译码消息研究 www.ilib.cn 9. Hardware Implementation of Encoder for Quasi-Regular LDPC Codes 一种快速准规则LDPC码编码器的硬件实现 www.ilib.cn 10. Performance Research of Non-Binary LDPC Codes over Noise Bursts Channels 突发信道下多进制LDPC码的性能研究 service.ilib.cn 1. Enhancing Robustness of Digital Watermark via LDPC Coding 借助LDPC码提高数字水印鲁棒性 www.nasac.net 2. Optimal Check Node Degree Distribution Polynomial of LDPC Code 最优LDPC码校验节点度分布多项式 www.ilib.cn 3. LDPC Decoding Appliment in Combined Equalization Techniques LDPC码在均衡技术中的应用 www.ilib.cn 4. Construction of LDPC codes with unequal error protection 不等错误保护LDPC码的构造 ilib.cn 5. A Low-complexity Iterative Decoding Algorithm for LDPC Codes 一种低复杂度的LDPC码迭代译码算法 www.ilib.cn 6. Research on unequal error protection of irregular LDPC codes 非规则LDPC码的不等错误保护性能研究 www.ilib.cn 7. The Analysis of the Applications of LDPC Code in WLAN System LDPC码在无线局域网中的应用分析 ilib.cn 8. Study on LDPC Decoding Failure and Anti-error-burst Performance LDPC码译码失败及抗突发误码研究 www.ilib.cn 9. The Joint Block-LDPC Code and High-Speed Partly Parallel Decoder Design 分块低密度校验码与高速部分并行译码器联合设计方案 www.ilib.cn 10. A Two-stage Bit-flipping Decoding Algorithm for Regular LDPC Codes 规则低密度校验码的比特翻转解码算法研究 www.ilib.cn 1. A Two-stage Bit-flipping Decoding Algorithm for Regular LDPC Codes 规则低密度校验码的比特翻转解码算法研究 www.ilib.cn 2. Construction method of structured LDPC code with large girth 高围长结构化LDPC码的构造方法 www.ilib.cn 3. Modeling for LDPC serial decoding algorithm LDPC码串行解码算法建模 www.ilib.cn 4. Analysis of undetected errors of decoding LDPC codes LDPC码的不可检测译码错误分析 www.ilib.cn 5. Joint Optimization for Coded Differential Space-Time Modulation Based on Irregular LDPC Code 基于LDPC码的差分空时编码调制的联合优化 www.ilib.com.cn 6. Application of LDPC codes on Joint Source-Channel Coding LDPC码在联合信源信道编码中的应用 www.ilib.cn 7. Encoding for regular LDPC codes based on the set of shortened RS codes 基于缩短RS码集合的低密度校验码的编码 www.ilib.cn 8. Design of Semi-Parallel Decoder for Quasi-Cyclic LDPC Codes 准循环LDPC码的半并行译码器设计 service.ilib.cn 9. A Study on Low Complexity Decoding Algorithm of LDPC Codes LDPC码的低复杂度译码算法研究 www.ilib.cn 10. Performance of image communication based on adaptive LDPC coded modulation 基于LDPC自适应编码调制的图像传输性能 service.ilib.cn 1. Analysis of stop criterions in the decoder of parallel concatenated LDPC codes 并行级联LDPC码译码迭代终止准则研究 www.ilib.cn 2. Study on Improvement and Application of LDPC Code LDPC码的改进及其应用的研究 ilib.cn 3. Realization of Encoding Optimization for LDPC Codes Based on Hungarian Method 基于匈牙利算法的LDPC编码优化实现 service.ilib.cn 4. Algorithm of flipping-bit decoding for LDPC code LDPC码位翻转解码算法研究 www.ilib.cn 5. Design of irregular LDPC codes with low error floors 低差错平底特性的非规则LDPC码的设计 ilib.cn 6. Simulation of LDPC Decoding Algorithm Based on Channel Estimation 基于信道估计的LDPC仿真算法研究 www.ilib.cn 7. An Exploit of Designing Encoder for LDPC Codes 旋转LDPC码编码器设计方案的改进 www.ilib.cn 8. A Serial Decoding Schedule for LDPC Based on a Serial Update of Bit Nodes'Messages 基于变量节点串行消息传递的LDPC码译码研究 ilib.cn 9. Molding of Hard-Decision Decoding Algorithm Based on Message Passing for LDPC Code 基于消息传递的LDPC码硬判决解码算法建模 www.ilib.cn 10. A Study and Application of Digital-Image Watermarking Technique Based on LDPC 基于LDPC码的数字图像水印技术研究与利用 www.ilib.cn 1. Research of Digital Audio Watermarking Algorithm Based on LDPC Codes 基于LDPC码的数字音频水印算法研究 www.ilib.cn 2. Optimal Design of Irregular LDPC Codes Based on Multipath Fading Channel 基于多径信道的最佳非规则LDPC码的设计 www.ilib.cn 3. Research on technology of LDPC codes LDPC码构造及编译码技术研究 service.ilib.cn 4. Performance of Irregular LDPC Codes Based on Multi -path Fading Channel 基于多径瑞利衰落信道的非规则LDPC码分析性能 www.ilib.cn 5. Cooperative coding based on structured semi-random LDPC codes 基于结构半随机LDPC码的协同编码通信 service.ilib.cn 6. LDPC codes and the study of their applications 低密度奇偶校验码及其应用研究 ilib.cn 7. Adaptive MLC system based on LDPC codes under Rayleigh fading channel Rayleigh衰落信道下基于低密度校验码的自适应多级编码调制系统 www.ilib.cn 8. Optimized LDPC decoder based on modified min- sum algorithm 基于改进最小和算法的LDPC解码器的优化 www.ilib.cn 9. A Family of Irregular LDPC Codes Based on Optical Orthogonal Codes 基于光正交码的不规则LDPC码 www.ilib.cn 10. On construction of LDPC codes based on data puncturing hybrid ARQ 基于数据打孔混合ARQ方案的低密度奇偶校验码构造方法 www.ilib.cn 1. On construction of LDPC codes based on data puncturing hybrid ARQ 基于数据打孔混合ARQ方案的低密度奇偶校验码构造方法 www.ilib.cn 2. Digital Watermark Technology Based on LDPC 基于LDPC码的数字水印技术 www.ilib.cn 3. Peng Li, Zhu guangxi, Wu Xiaoxiao. A designing method of LDPC encoder based on algorithm sequence. Acta Electronical Sinica, 2007, 525: 彭立,朱光喜,吴晓晓.基于等差数列的LDPC码编码器设计.电子学报,2007,525: www.wendang365.cn 4. Joint Source Channel Coding Strategy Based on LDPC 基于联合优化技术的信源信道联合编码新策略 ilib.cn 5. A OFDM Modulation Decoding Algorithm Based on LDPC 基于低密度校验码的OFDM编码调制译码算法 www.ilib.cn 6. Study on LDPC codes based on cyclic-shift identity matrix 基于单位阵的循环移位构造LDPC码的研究 www.ilib.cn 7. Study on Efficient Encoding Structure of LDPC Codes Based on Matrix Partition 基于矩阵分块的LDPC码快速编码结构研究 www.ilib.cn 8. A Construction of LDPC Code Based on Block Design 一类基于填充设计的LDPC码的构造 service.ilib.cn |
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