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 sum-product 和积(32)和乘积算法(0)
 和积
 1. Give the LDPC codes definition based on graph representation and describe the sum-product iterative decoding algorithm or belief propagation decoding algorithm in detail, and the corresponding concrete message update formulas over probability field and log domain are also given. 1、首先系统地阐述和分析了LDPC码基于图表示的定义和基于迭代思想的和积译码算法(又称为置信传播算法)，给出了在概率差测度和对数似然比测度上的和积译码算法中变量节点和校验节点的消息更新公式，同时还研究了GF(q)(q＞2)的LDPC码的和积译码算法。 短句来源 The implementation characteristics of sum-product algorithm and turbo-decoding message-passing algorithm are discussed. 同时,对非简化的译码方法(和积译码算法、TDMP(Turbo-Decoding Message-Passing)算法)硬件实现的特点进行了简单的讨论。 短句来源 2. Sum-product decoding algorithm is discussed for additive impulse noise channels. 2．研究了LDPC码在加性脉冲信道中的和积译码算法。 短句来源 Based on Tanner graph, the representation and sum-product algorithm of LDPC codes are addressed. The BM algorithm of BCH codes is addressed. 基于Tanner图模型,推导了LDPC码和积译码算法的迭代公式,以及BCH码BM算法的推导过程; 短句来源 Based on the study of the basic property of sum-product transformation on R and the adhesion of continuity and derivation,the essay discusses the relationship between sum-product transformation on R and exponential function and gives the strict definition of exponential function and an example of non-continuity everywhere of sum-product transformation on R. 首先在研究了R上和积变换的基本性质以及连续与可导的粘性的基础上,讨论了R上和积变换与指数函数的关系,给出了指数函数的严格定义,最后构造了一个R上的和积变换处处不连续的实例. 短句来源 更多
 “sum-product”译为未确定词的双语例句
 Low-density parity-check (LDPC) codes are a class of capacity approaching error-correcting codes. By using low complexity sum-product algorithm, LDPC codes are able to near Shannon limit decoding performance with almost all errors detectable. 低密度校验码(Low-density parity-check codes，LDPC码)是一种性能逼近香农限的好码，是当前信道编码领域最受瞩目的热点之一。 短句来源 1. Based on Tanner graph, the representation and construction of LDPC codes are introduced and two decoding algorithms for LDPC codes, i.e., bit-flipping algorithm and sum-product algorithm are discussed. 1．基于Tanner图模型详细介绍了LDPC码的表示和构造以及LDPC码的硬判决译码(比特翻转算法)和软判决迭代译码(和积算法)。 短句来源 Simulation results show that sum-product algorithm based Huber metric can achieve good performance. 仿真结果表明，基于Huber测度的简化译码算法能过获得较好的性能。 短句来源 1. Based on Tanner graph, the representation and construction of LDPC codes are addressed, and the two decoding algorithm for LDPC codes, i.e, bit-flipping algorithm and sum-product algorithm, are discussed. 1．基于Tanner图模型，详细介绍了LDPC码的表示和构造； 介绍了LDPC码的硬判决译码(比特翻转算法)和软判决迭代译码(和积算法)； 短句来源 1. Based on Factor graph, the representation and construction of LDPC codes are addressed, and the soft decoding algorithm for LDPC codes, i.e., sum-product algorithm and minimum-sum algorithm, are discussed. 1.基于因子图模型,介绍了LDPC码的表示和构造; 详细介绍了LDPC码基于多种测度的软判决迭代译码(和积算法和最小和算法)。 短句来源 更多
 相似匹配句对
 PRODUCT 产品推荐 短句来源 Product Sum Formula and Its Applications 积和式及其应用 短句来源 THE DISCNSSION OF THE SUM AND THE PRODUCT OF INFINITE INFINITESIMAL 无限多个无穷小的和、积的讨论 短句来源 Ingenious Solutions to Progression - Sum and Progression - Product 巧解数列和与数列积 短句来源 The Relationship between Sum-Product Transformation on R and Exponential Function R上的和积变换与指数函数的关系 短句来源

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 sum-product
 The mathematics involved includes recent developments in the sum-product theory in finite fields and certain new bounds on multilinear exponential sums. A sum-product estimate in finite fields, and applications Factorization in generalized arithmetic progressions and application to the Erd?s-Szemerédi sum-product problems A list of 26 new double sum-product Rogers-Ramanujan type identities are included as an Appendix. A sum-product estimate in algebraic division algebras 更多
 In this paper, the author gives the optimization basis of the sum\|product method in view of root mean square deviation (RMS) and discusses the dominance of the method. 和积法是一种计算排序向量的近似算法．本文从平方差均值平方根的概念出发，导出了和积法计算排序向量的显式表达式，为和积法作为一种排序方法提供了最优化方面的理论依据，并从保序性、相容性、对称性等角度对该方法的合理性进行了研究 This paper discusses the degree of membership in Fuzzy language. The concept of probability sum product Fuzzy grammer and automation is introduced. The relationship between the probability sum product Fuzzy grammer and automation is obtained. An example points out the real meaning of probability sum product Fuzzy grammer. 讨论由Ｆｕｚｚｙ文法和Ｆｕｚｙ自动机生成的Ｆｕｚｙ语言的隶属度问题．引入概率和乘积型Ｆｕｚｚｙ文法与自动机的概念，并证明了概率和乘积型Ｆｕｚｙ文法与自动机的关系．通过举例比较３种不同形式的Ｆｕｚｙ语言的隶属度，指出概率和乘积型Ｆｕｚｚｙ文法具有的实际意义 Typical fuzzy controllers with two inputs and one output use full overlapped symmetrical triangular membership functions for the input variables; equally spaced singleton membership functions for the output variable; linear fuzzy control rules; the Sum Product inference method; and the center of area (COA) method for defuzzification. This paper proves that the analytical structure of typical fuzzy controllers is the sum of a global two dimensional multi level relay and a local linear PD controller. The... Typical fuzzy controllers with two inputs and one output use full overlapped symmetrical triangular membership functions for the input variables; equally spaced singleton membership functions for the output variable; linear fuzzy control rules; the Sum Product inference method; and the center of area (COA) method for defuzzification. This paper proves that the analytical structure of typical fuzzy controllers is the sum of a global two dimensional multi level relay and a local linear PD controller. The output are given expressions for a typical fuzzy controller with five fuzzy sets for the input variables. These results are employed in a simulation of the model reference adaptive fuzzy control of an inverted pendulum. 针对两输入 (e,Δe)一输出 (u)的典型模糊控制器 ,输入隶属函数为三角形、全交迭、不均匀分布 ,输出隶属函数为单点、均匀分布 ,当采用线性控制规则和 Sum - Product推理方法时 ,证明了输出的解析表达式是一个全局的二维多值继电器与一个局部的线性 PD控制器的和。进而对最常用的输入变量各取 5个模糊集的情况进行了详细分析 ,并将理论结果应用于倒立摆的模型参考模糊自适应控制 << 更多相关文摘
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