似然 的英文怎麼說
中文拼音 [sìrán]
似然
英文
[統計學] likelihood似然方程 likelihood equation; 似然函數 likelihood function; 似然精度 accuracy of likelihood; 似然準則 likelihood criterion- 然 : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
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The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions
( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模擬比較。And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著,對自適應調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們模擬了map估計和ml估計的方差與導頻符號長度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系統,導頻符號長度的取值超過20個符號長度時, map通道估計明顯優于ml通道估計。Empirical likelihood ratio test for autocorrelation in linear model
線性模型中自相關的經驗似然比檢驗The second goal is the estimation method of maximum likelihood.
第二個目標是最大似然的估計方法。To estimate the td - gtd model parameters, maximum likelihood estimation ( mle ) algorithm is developed
對td - gtd模型參量的最大似然估計( mle )演算法進行了推導。It considers the statistical property of isotonic regression that is started with the statistical property of mle
從最大似然估計的統計性質出發,給出了保序回歸解的統計性質。It consider the resolution of isotonic regression by view of constraint optimization, and it also presents the relation between isotonic regression and mle in detail. 2
從約束最優化的觀點了證明了保序回歸解的唯一存在性,並詳細地給出了保序回歸與最大似然估計之間的關系。Likelihood ratio test of the lognormal population
對數正態總體的似然比檢驗Application of maxi - likelihood estimation method in analysis of high voltage circuit breaker
極大似然估計法在高壓斷路器可靠性分析中的應用Though maximum likelihood detection ( mld ) can obtain optimum detection performance in mimo communication systems, the ergodic search increases the complexity exponentially with the number of the antennas, which lead to implemental difficulty
在mimo通信系統信號檢測中,最大似然檢測( mld )可以獲得最佳的誤碼性能,然而遍歷式搜索方式使得mld的計算復雜度隨天線數呈指數形式遞增,在實際系統中,往往難以實時實現或者不能實現。A modificatory mle model has been put forward to reduce the estimate error of reliability characteristic parameter in case of the little fail data
本文提出一個極大似然估計( mle )的修正模型( mmle ) ,以減小採用mle在小子樣情況下可靠性特徵量的估計誤差。An expression on likelihood function of normal distribution ma sequence
序列的似然函數的一種表示Empirical likelihood ratio confidence regions with a nuisance parameter for dependent samples
相依樣本下帶有討厭參數的經驗似然比置信區域There are three frequently used method : distance method, maximum parsimony method, and maximum likelihood method
目前常用的構建發生樹的方法有三種,即距離法、最大簡約法和最大似然法。Multi - texture maximum likelihood estimation of polarimetric sar image
圖像的多紋理最大似然估計Firstly, human skin - color information is used to segment images into skin color region and non - skin color region, then pretreat the skin - color region and come into the phase of image similarity
首先利用彩色圖像的顏色信息把彩色圖像分割成膚色區域與非膚色區域,然後對膚色區域做預處理后,進入圖像似然度檢測階段。The shock wave is similar in general form to the blast wave in air, although it differs in detail.
這種沖擊波的一般形式與空中爆震波相似,然而在細節方面卻又不相同。On single path condition, the multi - user detection algorithm is derived on the basis of the minimal square rule and the ml rule. a space - time multi - user detection structure and an adaptive method on cdma system are proposed
在單徑情況下,基於最小均方誤差原則和最大似然原則,提出了一種多用戶檢測演算法和一種空時二維多用戶檢測器的結構。Orientation weighting restricts the direction of trajectories by predicted candidate trajectories and shrink ferret window, and reduces the amount of calculation. truncated sequential probability ratio test ( tsprt ) is also a algorithm of tbd, it can improve calculation efficiency by multistage thresholds to truncate tree - structured list of candidate trajectory of low degree of confidence
截斷序貫似然比方法也是一種tbd檢測的方法,其通過多級門限截斷置信度較低的軌跡樹達到提高效率的目的,在動態規劃中加入該演算法,使之積累的軌跡數減少,降低了計算量和存儲量。At first, the text is segmented to words and converted to a sequence of part - of - speech tags ; then based on the pos tags sequence parameters and phrase - break distance information from training, markov model is used to get the most likely phrase break sequence
首先,文本進行分詞,並轉換為一列由詞性標記所組成的序列;然後使用馬爾可夫模型,利用人工標注數據庫訓練詞語連接處詞性標注序列的概率分佈和連接類型序列的距離信息,得到輸入的詞性標記序列對應的具有最大似然概率的連接類型序列,最後利用后處理規則進行適當的糾錯。分享友人