統計變量估計 的英文怎麼說

中文拼音 [tǒngjìbiànliánggūjì]
統計變量估計 英文
statistical variable 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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. First, based on the historical data of 20 years of henan province, the cloud seeding operation cases in april and october in the central region of henan province were evaluated by cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as meteorological covariates, cluster - analysis - based floating control historical regression method with uniform precipitation as meteorological covariate, and floating control historical regression method ( fcm )

    首先，根據河南省近20年的歷史資料，分別用以降水量為協變量的ca - fcm方法、以降水量和整層大氣可降水量為協變量的ca - fcm方法和浮動對比區歷史回歸統計檢驗方法（ fcm ） ，對河南省4月和10月增雨作業進行評估。
  2. For the process of synthesizing of phosphonic acid dimethyl, the significance of application of mspc on it is discussed, the parameters and original data are deduced and estimated, and process monitoring and diagnostic simulation are given based on simplified model

    對于亞磷酸二甲酯生產過程，論述了對其進行多變量統計過程式控制制的意義，對該生產過程的物性參數和初始數據進行了推導和估計，並在經過簡化的生產控制模型基礎上進行了多變量統計過程監控和診斷模擬。
  3. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法，即處理隨機誤差的小波變換方法和估計系統誤差的kalman濾波演算法;介紹了小波變換方法的發展過程和國內外的研究現狀;綜述了彈道測量數據的實時數據處理和事後數據處理的概念和發展狀況。
  4. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計相結合的抗差譜分析方法，並用該方法分析了地心運動時間序列的主要周期特性；為合理地確定地心運動參數，詳細研究與分析了一種新的定權方法對求解地心運動參數的作用，該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性；為了明確地心運動導致的高程基準的變化，分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  5. First, some inequalities of gram determinant and further, some estimates for correlation coefficient of a system of random vectors and its subsystems are obtained

    本文首先給出了矩陣行列式的幾個不等式，進一步，給出了多組隨機變量及其子系統的相關度量的幾個估計
  6. The principle of the neural network models is different from that of the real - time running models. the latter is designed on the engine running, so the effect of the control strategy on engine performance can be observed clearly. while the former works out the solution directly from the testing data, avoiding the complex calculation procedure

    神經網路模型與實時運轉模型的構成原理不同，實時模型以發動機運轉機理為設計依據，使于充分觀測控制策略對發動機各種性能指標的影響；而神經網路模型是根據己有的試驗數據進行直接推理，可避免大量的簡化、推導、求解過程，對于諸多機理繁復的發動機變量而言是一極佳的求解方案，因此就更全面的進行電控系統的調試評估考慮，兩種模型有著良好的互補性。
  7. Based on the multivariable analog of civcle criterion, an observer is designed to estimate the system states and hence the dynamical equations satisfied by the estimation error are derived first

    基於多變量的圓判據設計觀測器來估計系統的狀態，進而給出了觀測誤差滿足的動態方程，然後利用積分反推方法，構造性地設計出了輸出反饋鎮定控制器。
  8. The premise to assure qos is to provide sufficient resource to meet demands. we come up with a method to partition the resources of web cluster for each class with its resource demand and priority requirement taken for granted, where system processing time or average access rates is summed up for each class periodically and resource demands is evaluated with stretch factor as performance metric. also the nodes marked in number will be orderly assigned to the classes ordered in priorities, which helps to maintain data locality and improves memory cache hits

    資源滿足需求是實現服務質量保證的前提，為滿足業務類動態的資源需求，我們提出一種支持業務類優先級和資源需求的資源劃分方法，通過按周期對業務類請求處理時間或平均訪問率進行統計，以響應擴展因子為質量指標對業務類預期的資源需求作出評估，採取按主機編號有序地分配給按優先級排序的業務類，減少業務類資源變動和提高主存cache命中率。
  9. 3. the dissertation proposes the extended kalman filter based to estimate the fundamental symmetrical component of the ps and the frequency while the frequency is unknown

    在電動機變頻調速系統的頻率未知條件下，給出了基本正序對稱分量和頻率估計的擴展卡爾曼濾波方法。
  10. This thesis first describes the general research development of bp network, kde, genetic algorithm, arx model and their specific application in dms such as architecture, algorithm - flow etc. then the paper introduces the distributed object technique with the focus on the description of corba and the specific developing tools visibroker. finally, a multi - client distributed monitoring system based on corba is developed with multi - technologies referred before

    本文首先系統地介紹了bp神經網路、核函數概率估計（ kde ） 、遺傳演算法（ ga ）和帶外生變量的自回歸模型（ arx ）發展和研究概況以及上述建模演算法在分散式監測系統中的應用，並給出了運用石油流化催化裂化模擬設備的數據測試結果。
  11. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面，本文在利用已經比較成熟的縱橫斷面優化理論的基礎上，提出以工程總費用最小為目標函數，以渠道縱坡i為控制變量，以渠道不沖不淤流速及灌區允許地面比降為約束條件，通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外，針對部分地區的取土困難的狀況，本文採用積分法計算渠道工程土方量，從而大大提高了土方量的估算精度，有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理，最後應用本系統對泰州市翟家村機電灌區進行規劃設計，運行結果證明其操作比較簡便，界面友好，運行速度快，規劃成果合理，基本達到了系統預定的要求，具備較強的實用性。
  12. With continuous wavelet transform as feature extraction method and neural network as classifier, a transmission ge ar wear estimation system is designed and applied in estimating the wear condition of the gear

    以連續小波變換作為變速箱齒輪的磨損特徵向量的提取方法、以神經網路作為分類器，設計了變速箱齒輪的磨損估計系統，並應用於變速箱齒輪的磨損狀況估計。
  13. By using rank statistic and order statistic, we obtain the asymptotically strongly consistent estimator of it, the hypothesis test and interval estimation are also discussed

    利用秩統計量和次序統計量，獲得了變點的一種估計，不僅論證了點估計的強相合性，而且討論了假設檢驗和區間估計。
  14. Carrying through the simulation experiment on system model by the technology of data collecting and statistics analysing, imitating the running process of the system, observing the system state variableness dynamic regulation with the time change, estimating the reality parameter of the system and measuring the system performance, which will provide evidence for assistant decision

    利用數據採集處理和統計分析技術，對該模型進行模擬實驗，以模仿系統的運行過程，觀察系統狀態變量隨時間變化的動態規律性，並據此推斷和估計系統的真實參數和性能測度，為輔助決策提供依據。
  15. In general, by utilizing observing instrument, estimates of systemvariable are obtained ; and the minimal energy control system principle isused to control the supply pressure so as to attain the goal of economizedconstant pressue water supply

    概括地說，就是應用觀測器，得到了狀態變量的估計值，並按最小能量系統控制規律控制供水k力，達到了恆壓供水的目的。
  16. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  17. In this paper a system for segmenting and tracking the objects from sequences is designed. this system is mainly made up of three parts that are the motion estimation giving out the motion vectors, the edge detection finding the edge points and contour and the deformable contour achieving the segmentation and tracking for the objects

    本文設計了一種基於可變輪廓的序列圖像的分割和跟蹤系統，該系統主要由三個部分組成：運動估計給出運動向量，邊緣點輪廓提取得到圖像的邊界圖和外輪廓，而可變輪廓分割方法實現目標分割和跟蹤。
  18. A novel class of analysis tool in signal processing - higher - order statistics ( hos ) is presented in this thesis. we then use it along with the well - developed algorithms such as esprit and music in direction - of - arrival ( doa ) estimation

    本文介紹了信號處理中的一種新的分析工具? ?高階統計量，並與傳統的子寬間旋轉不變技術和多重信號分類技術相結合進行波達方向估計。
  19. Its brings forward data processing means, discusses estimate means and spread rule of random error and system error, presents error equation, validates adequately by theory analysis combining practice, obtains a great deal experiment data, finds change rule of vehicle plane error

    提出了數據處理的方法，討論了隨機誤差和系統誤差的估計方法和傳播規律，給出各單項誤差的方程，把理論分析與實踐相互結合，進行充分驗證，獲得大量實驗數據，得到車載平臺誤差的變化規律，通過模擬驗證了數學模型的正確性。
  20. Based on the former researches, the speed estimation and rotor flux observation methods are studied using the theory of model reference adaptive system. considering the time variability of the stator and rotor parameters of induction motors, the methods make real - time identification of the parameters to retain the dynamic performance of the drive system

    在前人研究的基礎上，本文應用基於超穩定性理論的模型參考自適應系統，對無速度傳感器矢量控制系統的轉速估計和轉子磁鏈觀測進行研究，考慮電機定轉子參數的時變性，對電機的一些定轉子參數進行實時辨識，以保持系統的動態性能。
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