似然度 的英文怎麼說

中文拼音 [sìrándù]
似然度 英文
like table method
  • 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）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. The child shows aloofness ( seems unaware of adults ) at times

    孩子時常會處于超然度外的樣子（似乎不意識到大人的存在） 。
  6. In addition, it has the advantage that the cramer - rao lower bound can be used as an uncertainty hound on the estimation

    另外最大似然估計的一個優點是用於不確定度計算的克拉美羅下限值更易於獲得。
  7. Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication

    維特比譯碼演算法是一種最大似然譯碼，它可以得到較高的譯碼速度以及譯碼計算時間固定，因而在深空通信中得到廣泛應用。
  8. By complementing the proposed scheme with methods to estimate the fractional code delay, the acquisition unit an provide high quality delay estimates such that it can instead of the delay locked loop in the traditional ds receiver. after dispreading successfully, this dissertation introduces a method to estimate the doppler - shift directly from some samples based maximum likelihood estimation, and then revise it forwardly

    在成功解擴之後，本文利用最大似然估計從l個樣點中直接估計出殘余多普勒頻偏，並進行前向頻偏校正，來代替傳統擴頻接收機中的科斯塔斯環，經模擬證明該方法的估計精度完全滿足解調的要求。
  9. Phylogeny analysis is performed with phylip software package and encoding sequence of bdnf gene. the phylogeny trees have been drawn with three different methods ( maximum parsimony method, genetic distance method and maximum likelihood method ), respectively. the analysis outcomes are not all consistent for the reason that it is closely related to the selected methods and the conservative level of the sequences

    採用不同的統計學分析方法，最大簡約法（ maximumparsimonymethod ） 、最大似然法（ maximumlikelihoodmethod ）和遺傳距離法（ geneticdistancemethod ） ，得到了物種系統發育進化樹，但拓撲結構並不完全一致，這是可能是因為分子系統學研究與採用的分析方法和所選基因的保守程度即作為分子標記的可信度密切相關。
  10. 18 dempster a, laird n, rubin d. maximum likelihood from incomplete data via the em algorithm

    進一步，數據降維的結果可通過與兩個空間相關度量的最大似然解得到。
  11. This method utilizes the distribution property of image intensity. given the false alarm probability, the threshold for likelihood difference can be determined

    該方法利用sar圖像的強度分佈特性，根據虛警率確定相鄰區域之間存在邊界的似然差函數的閾值。
  12. Focusing on the flight control computer system of some type of airplane, this paper first analyzes the advantage and disadvantage of the structures of many kinds of fault tolerant flight control computer systems and their ability in tolerating fault, followed by summarizing the key design technology. the dual similar redundancy fault tolerant computer system is brought forward as the design scheme for the required flight control computer. also brought forward is the particular system design

    本文以某型號飛機飛控計算機系統為研究對象，首先分析了各種類型容錯飛控計算機體系結構的優缺點及容錯能力，總結了容錯計算機系統設計的關鍵技術，然後提出了二模相似余度容錯飛控計算機系統設計方案，詳細設計了以motorola公司生產的先進powerpc740微處理器為核心處理器、以高性能的國際標準化通用vme總線為內總線的交叉通道通信容錯計算機系統。
  13. Comparative research of goodness of fit between sv and garch models by likelihood ratio test

    模型擬合優度比較的似然比檢驗
  14. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用累積失效概率等概念，對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法，從而得到每個子總體的滿足極大似然原理的參數估計，給出了該混合總體平均壽命和可靠度的估計。
  15. Based on the data recorded of the highest water level in the three survey stations of huangpu river, we give out the parameters estimates by using the eight estimate procedures mentioned above respectively, then we calculated corresponding values of likelihood and goodness - of - fit. we reach the conclusion that maximum - likelihood method performs better and more stable than the others

    本文基於黃浦江三個水文觀測站的歷年最高水位資料，分別利用這八種估計方法，求出了參數估計值，然後分別計算似然函數值和擬合優度度量值w ~ 2 ，對這八種方法進行了比較分析。
  16. We can show the existence of solutions to the differential inclusions problem by baire category method, and so the formal problem. the main steps of using baire category method are as follows. first we construct a complete metric space v. then with the help of the likelihood functional, we obtain a series of open and dense subset vs in v. finally, by baire category theorem, we know that the subset vs is dense in v

    本文指出在適當的條件下，可以將原問題轉化為一個微分包含問題：對於此微分包含問題運用baire稠密性方法，構造一個完備的度量空間，也就是容許函數空間，再利用似然泛函構造出它的一列稠密開子集（實際上是逼近解集） ，從而由baire稠密性定理可以得到解的存在性。
  17. The maximum likelihood registration algorithm based on earth - centered earth - fixed ( ecef ) coordinate system considers the geometry of the global, and eliminates errors introduced by the stereographic projection. the simulation result based on this registration algorithm shows that the satisfied angular biases can be preliminarily obtained. 5

    基於地心坐標系的傳感器極大似然配準演算法考慮到了地球曲率的影響，克服了立體投影法的缺陷；採用這種演算法，我們可以把不同傳感器局域坐標系的量測轉化到地心坐標系中，變成統一的量測，便於融合中心做進一步的處理；模擬結果表明這種演算法可以得到較為滿意的角度偏差。
  18. Results the diagnosis standard of spleen - deficiency syndrome of plc is 34 points ; the sen, spe and acc of the prospective and retrospective examination of it are over 85 %. + lr of them are respectively 9. 6 and 11. 3 ; 34 - 48 points is classified as low grade, 49 - 62 points is classified as medium grade, high grade is 63poiots

    結果原發性肝癌脾氣虛證量化診斷標準最低分為34分；量化診斷標準回顧性和前瞻性檢驗的敏感度、特異度、準確度均在85 %以上，陽性似然比分別為9 . 6和11 . 33 ；程度分級標準：輕度34 ~ 48分，中度49 ~ 62分，重度63分。
  19. The phase of image similarity is divided into training phase and detection phase

    在圖像似然度檢測階段，分為訓練階段和檢測階段。
  20. In this paper we present a new approach of face detection based on skin - color and the similarity of image sets in accordance with the cognitive law. experiment shows that the method has good detection result even in complex background

    本文提出了一種基於膚色分割和圖像似然度的檢測人臉方法，該方法能在復雜的背景下很好的檢測出人臉。
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