log likelihood 中文意思是什麼
log likelihood
解釋
對數可能性- log : n 1 原木，圓木，乾材。2 測程儀，計程儀。3 航海日誌，（飛行員用的）航海日誌；旅行日記。4 〈英國〉...
- likelihood : n. 1. 可能（性）。2. 【數、統】似然，似真。3. 〈古語〉希望，前途。
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Log likelihood function
對數概似函數 -
For any information source on a countable set, the limit properties of relative likelihood ratio and log - likelihood ratio of entropy with respect to the independent geometry distribution, an important problem in the information theory is discussed
摘要對任意的可列集上的信息源，探討資訊論的一個重要問題，即探討了相對于獨立型幾何分佈的熵密度似然比與對數似然比的極限性質。 -
Log likelihood ratio decoding of ldpc coded modulation in ofdm system
編碼調制的對數似然比譯碼 -
In chapter 4, the purpose of this chapter is to establish a kind of strong deviation theorems of functional for the sequences of arbitrary continuous random variables, by using the conception of log likelihood ratio, and extend the strong deviation theorems on the differential entropy for dependent arbitrary continuous information sources on the the probability space (, . f, p )
使得對于在概率空間（ ， f ， p ）上的任意連續型信源的微分熵的強偏差定理是本文的推論；第五章，總結本文的主要結論。 -
In chapter l, we introduce the relative background on this paper and give some simple expressions of the work which have been studied. in chapter 2, in virtue of the notion of likelihood ratio the limit properties of the sequences of dependent nonnegative continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. the bounds given by these theorems depend on positive constant c. in chapter 3, by means of the notion of log likelihood ratio, a kind random strong deviation theorem are obtained, and the bounds given by these theorems depend on r ( )
第一章，介紹本論文的選題背景，對已有的工作進行扼要的介紹；第二章，利用似然比的概念研究相依連續型非負隨機變量序列的極限性質，得到一類強偏差定理，其偏差界依賴于正常數c ；第三章，利用對數似然比的概念得到一類隨機偏差定理，其偏差界依賴于r （ ） ，證明中引進了尾概率和尾概率的laplace變換的概念；第四章，利用對數似然比的概念，得到了一類關于任意連續型隨機變量序列的泛函的強偏差定理。 -
In this paper, by means of the notion of likelihood ratio and log likelihood ratio the limit properties of the sequences of dependent continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. in the proof an approach of applying the tool of laplace transform to the study of strong limit theorem is proposed
本論文繼續這方面的工作，利用似然比、對數似然比的概念研究相依連續型隨機變量序列的極限性質，得到相應的用不等式表示的強偏差定理。證明中提出了將laplace變換的工具應用於強極限定理研究的一種方法。 -
In this paper, we aim at the research to the decoding algorithm of turbo product codes, according to the principles of the log - likelihood ratio and the maximum a posteriori criterion, bunt the log - likelihood ratio approximating expression, form the correct strategy of iterative soft decoding, and present the optimal algorithm through software
幾乎所有tpc的應用研究都集中於採用矩陣交織，軟進/軟出（ siso ） 、重復譯碼的方式上。本文主要是針對tpc譯碼演算法進行研究，依據對數似然概率（ llr ）和最大后驗準則的原理，推導出對數似然概率估算的近似公式，形成tpc重復軟譯碼糾錯演算法，並通過軟體實現。 -
It gives some solutions for designing the encoder. various log - likelihood - ratio - based belief - propagation decoding algorithms and their reduced - complexity derivatives for ldpc codes used in dvb - s2 are presented, in order to avoid the “ tanh ” function in the check - node updates
接著，本文介紹了dvb - s2標準中ldpc碼的特點及編碼方法，給出了通過模擬得到的非規則校驗矩陣，針對編碼器設計中遇到的一些問題提出了改進方法。
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