base estimate 中文意思是什麼
base estimate
解釋
有偏估計-
3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n
3 、針對傳統空間濾波器的不足，引入迭代處理和相關鄰域模型的概念，提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型，以描述圖像的細節。引入強度的先驗概率分佈模型，利用bayes方法，對各個結構進行實際強度的最大后驗估計。 -
Discussion on power project budget base estimate the value of total 183 ; net cost seperation determine
基於量183 ;價分離確定電力工程預算的探討 -
The economic estimate is the base of real - estate investment, it is the measure to rise invests benefit, and it is the guarantee to make the item have objectivity
房地產投資項目經濟評價是房地產投資決策的基礎，是提高投資效益的手段，是使項目決策具有客觀性、科學性的保證。 -
I asked for a rough estimate but it was way off base.
我要的是近似估算，結果卻完全搞錯了。 -
In this part, the first work is pretreatment of a numerical model, including creating calculating grids automatically, improvement of the linear boundary technique and so on. the second work is to estimate the siltation of a basin or channel by liu ' s equation. the third work is to build an edbms ( engineering data base management system ) for the result of mathematical model
其中主要的工作是：其中主要的工作一是數學模型的前處理，計算網格自動生成，線邊界法的優化；二是應用劉家駒公式在長江口深水航道治理工程地理信息系統的支持下實現港池、航槽開挖的實時回淤估算；三是將計算成果形成gis管理和支持下的工程數據庫系統（ engineeringdatabasemanagementsystem ） ，同時嘗試解決時間序列數據如地形沖淤變化，潮位、流速過程的分析、查詢和顯示問題，並實現實時、互動的動態演示及三維可視化。 -
Shandong base lettuce is going on the market immediately. the estimate time is in the beginning of may attaching pictures of gaomi station
山東萊西基地進行了三年的生菜種植，今年輪換種植了西蘭花，預計採收時間為5月中旬。 -
Abstract : currently, biosafety has become a key to transgenic technique and its products, which gain enough research space and better exploiture market or not. then, as well as we pay attention to the security, we should realize that transgenic technique and its products are essential result in human society. today, they would not simply oppose or praise gmos, but we should carry out thorough studies and estimate without influence by human feelings, so that the technique and the products are used for the benefit of mankind, not doing harm for human health and the environment. of course, we should provide some essential scientific knowledge and guidance for public people. in the paper, we will put forward some suggestions on the base of analysing transgenic products
摘要目前，生物安全性問題已成為轉基因技術及其產品能否獲得足夠的研究空間和良好開發市場的關鍵所在.然而，在重視安全性的同時，也必須認識到轉基因技術及其產品的出現乃是人類社會發展的客觀必然.當務之急不應該是簡單地反對或者贊成，而是必須對轉基因產品進行全面、充分的研究和客觀、具體的評價，從而使其在造福於人類的同時，能有效地減少或避免對人類健康及其生存環境可能產生的潛在危害.當然，對社會公眾進行科普宣傳和指導，從而使其在對轉基因產品具有客觀了解的基礎上培養一種健康的接受心態也是必要的.本文在簡述轉基因產品安全性及其研究現狀的基礎上，提出若干對應策略，希望能引起社會各界的共識。 -
From the point of view of risk, a index system of risk assessment of winter wheat losses caused by drought was established, including the meanings, token models and estimate methods of risk index of natural water deficiency rate, risk index of yield reduction rate and trending vector coefficient of disaster resistance capability, then on the base of these indices, the comprehensive risk index model of losses caused by drought was established and regionalized. the results indicated : the high risk region included the middle north of shanxi, some of middle of shaanxi and some of hebei in east ; the higher risk region included some of middle of shaanxi, the tangshan region and some of west of hebei ; the moderate risk region included the middle of s
從風險的角度，建立了冬小麥乾旱災損風險評估的指標體系，包括自然水分虧缺率風險指數、減產率風險指數和抗災性能趨勢向量系數的意義、表徵模式和估算技術方法，在此基礎上構建了災損綜合風險模型，並對模型參數區域化，結果表明：冬小麥乾旱災損高風險區在陜西中北部、山西中部的部分地區和河北滄州的部分地區；較高風險區在山西中部的部分地區、河北的唐山地區和西部的部分地區；中風險區在陜西中部、山西南部、河北滄州的大部分地區；低風險區在陜西中南部、河南中北部、北京市、天津市、河北中南部和山東省。 -
For the department, the income budget is united budget, the expenditure budget is divided into basic expenditure budget and project expenditure budget. and we use zero base budget to estimate the count of expenditure. as that finished, i design the chart of local department budget
部門支出預算的編制首先要進行科學地分類，將部門支出預算分為基本支出預算與項目支出預算；支出預算編制的基本方法是零基預演算法，包括對基本支出實行定員定額管理，對項目支出實行項目庫管理。 -
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。 -
However, the simulated annealing algorithm will expand too much time to estimate the values of objective function when applied to aerodynamics optimizations. the way to remedy this problem in this dissertation is by improving the efficiency of optimizer and the cfd - solver. our cfd - solver is base on the modification to the proper orthogonal decomposition ( pod ) method that can produce a finite series of basis functions or modes through the solution of snapshots
但對于氣動外形優化設計問題來說，由於評估需要解決的問題的目標函數值需要多次調用流場解算器，會導致用模擬退火演算法進行優化設計的計算工作量過大，因此需要我們對流場解算器和優化方法兩個方面進行研究以尋找此問題的解決辦法。 -
First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "
論文首先對高階統計量的定義和性質作了介紹，特別指出了高階統計量對加性高斯噪聲（白色或有色）不敏感，這是我們利用它進行波達方向估計的理論依據，然後文中提出了兩種基於高階統計量的波達方向估計方法，一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法，另一種是基於四階累積量陣特徵分解的空間譜估計測向方法，並將它們的估計效果與傳統協方差方法的效果進行比較。 -
The output sinr limitations of mmse and constrained mmoe optimal filter are derived in the cirsumstance aforementioned. these limitations constitute the base of the code - aided optimal filtering and nbi estimate - subtract filtering. this dissertation summarize the recursive least squares ( rls ) algorithm, blind recursive least squares algorithm and the qr decomposing for these two algorithms
為自適應實現碼輔助最優濾波，本文系統總結了遞歸最小二乘（ rls ）和盲遞歸最小二乘（ brls ）演算法，以及兩者基於正交三角分解（ qrd ）的并行計算結構。 -
Using local base surface parameterization, a parametric quadric surface approximation method is used to estimate the local surface curvature properties of scattered points based on propagating normal vector direction
首先，計算各點的鄰近點集，選取合適的局部基礎曲面，把鄰近點集投影到相應的局部基礎曲面。 -
Fortunately, we can solve this problem by using ap ( alternating projection ) algorithm, by this way ; the computational load can reduce dramatically. doa estimation is mostly research base on linear array, because of the limitation of linear, it can estimate the azimuth only ; solid array can estimate the azimuth and elevation, in this paper, the solid array is used for doa estimation ; when the signal sources are uncorrelated, the music algorithm is chosen, using mdl / aic algorithm, we attain the signal number of sources
本文採用立體六元陣進行測向，在非相干信號源條件下，採用music演算法進行doa估計，採用基於信息論原理mdl準則或者aic準則判斷信號源數目，通過對陣列流形的研究，指出基於圓陣的陣列流形具有的某種對稱性，利用該對稱性來降低運算量，並且通過對演算法的研究，提出用維數較小的信號子空間或噪聲子空間來計算空間譜，進一步減小music演算法運算量。 -
How to estimate roughly in lamination temperature field and temperature stress field of mass concrete of base - plate are presented. physical and mathematical model of calculation in lamination is established. calculation formula is given and so is the result
提出了底板類大體積混凝土結構溫度場及溫度應力場的分層計算方法，建立了分層計算物理與數字模型，推導了數學計算式，並給出了底板類大體積混凝土溫度場計算的解析解，從而為初步估算底板類大體積混凝土結構的溫度場及溫度應力提供了方便適用的手段。 -
Using the repetition data from the leveling circuit, which is composed of the spots at the measurement field in the hefei deformation observatory and the base rock at the neighborhood of the measurement line, we estimate the degree of stability of each spot
摘要以合肥形變臺短水準測量場地各基巖點與檢測線路端點（基巖）組成水準環線進行連測，利用重復觀測資料，估算各點穩定度。 -
The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下：分析研究車架的邊界條件和結構特性，並用殼、管等單元對該車架進行離散，建立一種切實有效的車架有限元模型；對該車架的有限元模型進行模態分析，求得其的固有頻率和振型，並對車架的動態特性做出初步評估，分析可能引起車架振動的固有頻率；在模態分析基礎上，研究發動機輸出的簡諧力引起的車架位移響應（即諧響應分析） ，以考察摩托車車架各部位的振動情況並與模態分析對比，分析是否與該車架的固有頻率相耦合而導致共振；在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上，分析並提出了採用橡膠減震器對車架進行隔振的減震方法。 -
On the base of dedicated analysis, we propose a mechanism to dynamically estimate the proportion and period needed by a particular job based on observations of its cpu utilizing rate and schedule it accordingly
最後，本文詳細分析了ecos內核調度演算法的實現，並指出其不足之處，提出了基於反饋控制和qos控制的改進的調度演算法，並詳細說明了其實現方案。 -
This thesis expatiates deeply and systematically on the basic theory of motion estimate technique. on the base of present classical algorithms, we focuses on researching the disadvantages of those existing algorithms of motion estimate, and initiating some new ways in our own view. the main content as follows : 1
本課題深入系統地研究了運動估計技術的基本原理，在總結現有經典演算法的基礎上，著手研究運動估計存在的問題，從不同的角度提出新的運動估計方案，得到了幾種不同的運動搜索演算法。
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