point estimation 中文意思是什麼

point estimation 解釋
點估計
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • estimation : n. 1. 估計，評價。2. 預算，預算額；概算。3. 尊重，尊敬。4. 意見，判斷。5. 【化學】估定；測定。
  1. In order to change situation and realize higher education evaluation online, with introducing the origin and the phylogeny of higher education evaluation as the starting point in the paper, analyzing the characteristic of higher education evaluation and comparing several typical evaluation methods each other, we put forward a synthetic evaluation method based on a combination of ahp and fuzzy estimation. then we have made a thorough and careful study in education evaluation work pattern and system structure, in which some related technique, such as active server page technology and web database access technology etc. are discussed

    本文首先介紹高教評估的起源及其發展概況，並分析了高教評估的特點，在深入研究幾種經典的評估方法的基礎上，提出模糊評估與層次分析相結合的綜合評估方法；接著對網上評估系統的工作模式及其體系結構進行探討，並應用相關的理論、技術，如數據庫理論、動態網頁技術asp 、和基於asp的web數據庫訪問技術等，開發了一個基於計算機網路的高等教育評估系統。
  2. Restoring turbulence - degraded images based on estimation of turbulence point spread function values

    基於估計點擴展函數值的湍流退化圖像復原
  3. To verify the effectiveness of the proposed hybrid fnn, this thesis addressed the estimation problem for the frozen point of light cyclic oil in a fluidized catalytic cracking unit ( fccu ) in a refinery. based on the sample data collected from the industrial unit, we built a soft sensor model by using an above hybrid fnn

    最後，針對某煉油廠催化裂化裝置主分餾塔輕柴油凝固點的軟測量估計問題，本文基於工業現場所採集的樣本數據，建立了混合結構神經網路模型，並討論該模型的在線自學習問題，同時與多層前向bp網路、徑向基函數rbf網路模型進行了比較。
  4. A new doa estimation approach for a broadband point source

    一種新的單個寬帶點源到達角估計方法
  5. The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account

    再次，研究基於匹配特徵點對的本質矩陣的估計演算法，給出了由本質矩陣求取空間探測器的姿態信息和位置信息的方法，並且結合激光測距儀信息，得到探測器的運動比例參數，實現軟著陸過程的導航。
  6. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  7. Compared with the multi - unit approaches, maximum nongaussinity estimation is superiror in simple theoretical foundation and flexible implementation, and thereof the popular fast fixed - point iteration ( fastica ) based on negentropy approximation has become one of the most popular algorithms for ica

    和非線性去相關方法比較，最大非高斯估計的原理簡單、實現靈活，其中基於負熵近似的快速不動點演算法（ fastica ）已經成為當前最為流行的ica演算法之一。
  8. An estimation and evaluation of non - point source pollution in the yellow river basin

    黃河流域非點源污染負荷估算與分析
  9. Point estimation of parameter in binomial distribution

    二項分佈參數的點估計
  10. Statistical interpretation of data - point estimation of parameter in binomial distribution

    數據的統計處理和解釋二項分佈參數的點估計
  11. ( 2 ) focus on the point estimation of parameters under type - life testing based on step - increasing data

    （ 2 ）研究了逐次型截尾場合下參數的點估計。
  12. 2 ) systematically introduced parameter estimation of distributed sources on the base of models, including the maximum likelihood estimate, least squares estimator, dspe, dispare, etc. 3 ) studied four low complexity algorithms : one order approximation, two point sources approximation, traditional beamforming and relax of parameter estimation

    2 ）在模型基礎上系統地介紹了已有分散式目標參數估計方法，包括最大似然與最小二乘演算法， dspe和dispare演算法等。 3 ）研究了四種低復雜度演算法：一階近似演算法、兩點近似的演算法、常規波束形成演算法和relax演算法，這些演算法都是次優演算法，但計算量小，具有實用價值。
  13. For example, the weakness in metals etc. caused by repeated stress. this article gives the point estimation of parameters based on tampered failure rate model for weibull distribution under step - stress accelerated life testing

    本文是針對損傷失效率模型（ tfr ）模型就weibull分佈產品在步進應力加速壽命試驗下研究了參數的點估計。
  14. Both methods provide good performance, and the latter is better since it can give a better describing of the residual distribution of matches. in the study of camera self - calibration, firstly, based on discussion of using and the selecting of scene constraints, two new robust vanishing point estimation algorithms are presented. one is based on peransac, and the other is based on clustering

    在相機自定標技術的研究中，首先，在討論利用和選擇景物約束的基礎上，提出兩個新的消失點估計演算法:基於peransac的估計演算法和基於聚類分析的估計演算法，後者在估計精度上優於前者;其次，提出了綜合利用空間平行線約束和相機主點位置約束的線性迭代自定標方法，提高了相機自定標的魯棒性。
  15. Point estimation about the convergence order of the summation operator of bernstein type

    型求和運算元收斂階的點態估計
  16. ( 2 ) the point estimation and interval estimation of parameters under type - censored case and the point estimation of parameters based on the missing data and grouped data are obtained, respectively

    （ 2 ）定時截尾場合下參數的點估計和區間估計以及缺失數據和分組型數據埸合下參數的點估計。
  17. This paper also considers the mean change point estimation in chapter 4

    對arch模型的均值變點進行估計。
  18. This paper also analysises the handling method of test data and the point estimation and interval estimate method for reliability life of car transmission

    並以一組轎車變速器可靠性壽命試驗為例較詳細地分析了試驗數據的處理和可靠性壽命的點估計和區間估計方法。
  19. On practical occasions, censored test is used, small scale sample test theory and extensive sample strategy are applied, together with point estimation, estimation of lower limit value for reliability in certain confidence and bayes method based on ? ii ? abstract prior reliability information of the old system are adopted to estimate and veflf ~ ? the new system ? reliability

    根據現場具體情況，採用截尾試驗方法，應用小子樣試驗理論，採用擴大樣本量策略，利用點估計、在一定置信度下系統可靠度下限估計和以原有系統可靠性信息為先驗信息的bayes法對系統的可靠性進行估計和驗證。
  20. In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation

    系統以motorola單片機jl3為核心，完成了系統外圍硬體電路和控制軟體設計，實現了直流無刷電機反電勢過零檢測，利用軟體濾波的方式消除了pwm波干擾及換相干擾；採用三點預估演算法，進行相位鎖定，以完成直流無刷電機準確換相；同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。
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