統計性估計 的英文怎麼說

中文拼音 [tǒngjìxìnggūjì]
統計性估計 英文
statistical estimation
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 估 : 估構詞成分。
  • 統計 : 1 （對有關數據的搜集、整理、計算和分析） statistics; census; numerical statement; vital statistic...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  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. A unified linear fusion model for information fusion estimation is proposed, and it can describe varied information including measuring information, apriority information, forecasting data and estimation information, and it lays a foundation for the theory frame of information fusion estimation

    提出信息融合估計的統一線性融合模型，使測量信息、先驗信息、預測信息以及狀態估計信息等均可用統一融合模型進行描述，為建立信息融合估計的理論框架奠定了基礎。
  3. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  4. In order to improve the efficiency of classification based on feature matching, the method of azimuth estimation from sar image is studied. a method of target ' s azimuth estimation from sar image using peak featur e based on linear regression is proposed, besides goodish estimation accuracy and high computation efficiency, it can also provide the confidence interval of the estimation, which can meet the need of model - based sar atr system that uses feature very well

    為了提高基於特徵匹配的saratr系統的分類效率，論文進一步研究了sar圖像目標方位角估計方法，提出了一種利用峰值特徵基於線性回歸的sar目標方位角估計方法，該方法除了具有計算速度快、估計精度較高的特點之外，還能在估計方位角的同時，給出該估計的置信區間，從而能更好地滿足利用特徵基於模型saratr系統的需要。
  5. I spun up my inertial to a get ground speed indication to kind of give me a rough guess

    我操縱慣性讀數系統得到地速顯示，多少估計出飛行速度。
  6. Intrusion detection can monitor and analyze the behavior of users and system, audit the system configuration and holes, assess the integrality of data and sensitive system, recognize attack action, stat and audit the abnormal behavior, collect the patch related with system automatically, and record the hacker ' s action uses honey pot. intrusion detection helps system administrator monitor, audit and assess the system state easily and available

    入侵檢測具有監視分析用戶和系統的行為、審計系統配置和漏洞、評估敏感系統和數據的完整性、識別攻擊行為、對異常行為進行統計和審計、自動地收集和系統相關的補丁、使用誘騙服務器記錄黑客行為等功能，使系統管理員可以較有效地監視、審計、評估自己的系統。
  7. Bounded convergence of finite data window least squares identification for time - varying systems

    非線性系統參數估計的投影演算法
  8. Thirdly, evaluating to statistics quality of the nonlinear model is discussed

    3討論了非線性模型統計性質的評估。
  9. Time domain 1 ) the problem of the estimability of stochastic systems is discussed by analyzing information varying between states and state estimate errors. an information theoretic definition of estimability for general stochastic systems is given in the sense of minmax entropy estimation. it is concluded that a linear gaussian stochastic system is estimable if and only if the corresponding linear definite system is observable

    時域： 1 ）通過分析系統狀態估計中先驗和后驗信息變化討論了隨機系統的可估計性問題，給出在最小最大熵估計意義下一般系統的可估計性定義，並揭示出線性高斯系統的可估計性與相應確定性系統的可觀測性之間存在互為充分必要條件的關系。
  10. Petroleum liquids - automatic pipeline sampling - statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids

    液態原油.自動管線取樣.測定烴類液體中水含量的自動取樣器的性能統計評估
  11. Even with unmodeled dynamics and bounded disturbances presented the controller has good robust performance without need of correct dynamic model and parameter estimation. the designed controller has applied to a model of three - generators hvdc system, and the simulations are performed with netomac

    並且這種控制器的設計不需要有精確的系統動態模型，不需要未知參數來滿足線性依賴條件，不需要具體的系統參數估計，即使存在未建模動態和有界擾動，系統仍然具有很好的魯棒性。
  12. This paper introduces two methods to get the virtual sensor signal of angle of attack and sideslip angle : nonlinear observer method and ins / gps method

    本文介紹了兩種方法來得到迎角和側滑角的虛擬傳感器信號：非線性觀測器方法和利用ins gps系統數據估計迎角和側滑角方法。
  13. Based on multisensor target tracking system, the research of this thesis focuses on target location technique, target trajectory smoothing, filter, prediction based on a parameterized model, target tracking with nonlinear measurement, outlier detection and distributed systematic error estimate based on real - time data fusion and so on

    論文以多傳感器目標跟蹤系統為背景，針對目標定位測速技術、基於參數建模技術的目標航跡平滑、濾波和外推、非線性測量系統的目標跟蹤、基於實時數據融合模型的野值剔除和分散式系統誤差估計等方面進行了深入研究。
  14. The previous researches in the estimation theory for smn are almost focused on the case of single sensor observation

    以往針對帶乘性噪聲系統最優估計方法的研究大多集中在單傳感器觀測的情形下。
  15. The subjects of this paper are the realization of speed - sensorless fast point - to - point position orientation system and to analyses the properties of state estimator based on extended kalman filter ( ekf ) for field - oriented controller ( foc ) system of induction motor

    本論文的研究目標一是用bang - bang控制思想實現無速度傳感器點對點快速定位系統，二是分析基於擴展的卡爾曼濾波器（ ekf ）異步電機閉環矢量控制系統狀態估計器的性能。
  16. 6. we discuss a new popular approach, which is called particle filter, to state estimation problem for non - linear, non - gaussian system. in addition, some potential problems of the particle filter have been presented

    分析了目前廣泛應用於非線性非高斯系統狀態估計的「粒子」濾波（ particlefilter ）演算法的基本思想，指出其存在的問題和可能的研究方向。
  17. The power system state estimation involves network topology, network observability analysis, state estimation and detection and identification of bad data

    電力系統狀態估計的內容包括：網路拓撲分析、網路可觀測性分析、狀態估計、狀態估計潮流、不良數據檢測和辨識等。
  18. In order to meet the needs of real time computation of electric power system state estimation, the estimation algorithm based on decomposing the measurement of voltage scope and power scope and the estimation algorithm based on the measurement transformation of the equivalent current are brought forward and deduced in this thesis. these two algorithms all can make the jacobian matrix a constant matrix and they are stimulated

    為了滿足電力系統狀態估計實時性的要求，本文首先提出並推導了可以使雅可比矩陣為常數陣的基於分解電壓測量量和功率測量量的估計演算法和基於等效電流測量變換的估計演算法，並對此進行了模擬。
  19. For a class of linear systems or the systems containing a nonlinear recovering force, it is discussed how to make them become chaotic systems by adding a nonlinear feedback unit, and the parameters estimation method of the system is introduced

    在系統參數估計的應用方面，討論了對於一類線性的或含有非線性恢復力的系統，如何通過加入非線性反饋環節使其處于混沌態。然後介紹了這種混沌系統的參數估計的符號動力學方法。
  20. For a special class of systems with modeling uncertainty, based on the historic information of the control system, a fuzzy system is used to predict and estimate the uncertainty at current time

    摘要針對一類特定的非線性建模不確定系統，根據控制系統運行的歷史信息，用模糊邏輯系統預測估計了當前時刻的建模不確定性。
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