derived estimate 中文意思是什麼
derived estimate
解釋
導出估價值-
Then the arlpm detection algorithm from the different spectral width of sea clutter and growlers based on ipix sea clutter returns " ar spectrums estimate is been derived, and the roc curves are been drawn
接著基於ipix雷達實測回波的ar譜估計，根據雜波和目標的譜寬不同得到arlpm檢測演算法，並畫出了該演算法的roc曲線。 -
Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響 -
Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響 -
First, one main work of test equating is to estimate equating coefficients, in the paper in the light of item response theory an abstract form is introduced, which makes all test equating methods in uniform, by the abstract form, the relationships among the existed methods being found out, and some new methods being derived, including relative entropy equating method and logcontrast equating method
本文在項目反應理論（ itemresponsetheory ， irt ）框架下提出了一種抽象形式將目前已有的各種等值系數估計方法統一表示，通過統一表示找出了各種等值方法之間的關系，並導出了幾種新的等值方法，其中包括相對熵（ relativeentropy ）等值法和對數對照（ logcontrast ）等值法。 -
For a general linear model ( input matrix is deterministic ), under a certain conditions on variance matrix invertibility, the two estimates can be identical provided that they have the same priori information on the parameter under estimation. even if the above information is unknown only for the optimally weighted ls estimate, the sufficient condition and necessary condition, under which the two estimates are identical, is derived. more significantly, we know how to design input of the linear system to make the performance of the optimally weighted ls estimation identical to that of the linear minimum variance estimation in case of being lack of prior information
在一般線性模型（即輸入矩陣為確定性）下，當兩種估計都利用有關被估參數的先驗信息時，二者在方差陣可逆的一定條件下可達到一致；當最優加權最小二乘估計不利用此先驗信息時，存在二者一致的充分條件和必要條件，進而找到一種設計輸入矩陣的方法，使得在先驗信息缺乏的條件下，仍可利用最優加權最小二乘估計達到與線性最小方差估計一樣優越的估計性能。 -
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。 -
? adaptive engines for estimate parameters are applied and estimation accuracy is derived from mathematics inference in all control devise, it overcomes the defects that only simulation can be provided but no mathematics inference in some study results
在各類控制設計中，以保證系統的狀態、誤差及參數估計一致終極有界為目標，從嚴密的數學推理角度，給出了各種估計的數學分析，克服了以往類似研究成果中或缺少理論分析或沒有實驗模擬的缺陷。 -
( 3 ) based on the analyses results of simple inference method and seismic focal mechanism and on the statistic results of measured geostress data, the direction of principal stress was derived and based on the analyses results of macro geological estimate and on the statistic results of measured geostress data the magnitude of principal stress was derived too. the influence of rapidly down - cutting of yellow river on geostress field of studied zone was discussed. then the evolution of geostress field accompanying with the down cutting of yellow river and was simulated with fem and the spatial distribution features of geostress were discussed
根據簡易推斷法、地震震源機制分析法以及地應力實測資料統計分析結果，綜合確定了工程區的主壓應力方向；運用地質宏觀判斷法並結合地應力實測資料的統計分析結果對地應力的量級進行了綜合評價，並進一步討論了黃河快速下切對研究區地應力場的影響；運用有限元法模擬了研究區地應力場的形成過程，並探討了地應力的空間分佈規律。 -
The estimate is derived from elementary probability and does not even assume speculative modern physics, merely that space is infinite ( or at least sufficiently large ) in size and almost uniformly filled with matter, as observations indicate
這項估計甚至無需用到深奧的近代物理，只需假設空間是無限大（或至少要夠大） ，而且物質幾乎均勻地分佈其中（一如我們的觀測所見） ，然後再用基本的機率，就可以導出來了。 -
A kinematics model for 3d guidance problems is derived, a new kind of nonlinear variable structure adaptive guidance law is brought up by researching the variable structural strength item, and another fuzzy variable structure guidance law with self - adapt region is realized to enhance robustness of target acceleration estimate error of guidance law
本文建立了三維空間追逃問題的數學模型;通過對變結構控制中其變結構強度項的研究，提出一種新型變結構自適應制導律;並且考慮到對變結構強度項進行模糊化，實現一種論域自調整的模糊變結構制導律，以增強制導律對目標加速度估計誤差的魯棒性。 -
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。 -
According to this novel algorithm, the set of frequent items can be derived from the idea of k - weight - estimate, and next, association rules can be discovery according to the matrix - weighted confidence
該演算法首先根據k -權值估計思想找出頻繁項集，然後根據矩陣加權置信度找出關聯規則。 -
In part one, we dissuss the galerkin method and error estimate for first - kind boundary integeral equation derived by forrowing exterior dirichlet problems then result in superconvergent results by least - squares processing
首先，第一部分討論了由dirichlet外問題：導出的一型邊界積分方程的解法及其誤差，然後進行最小二乘處理后得到超收斂結果。 -
As neural network has the ability of self - learning, that utilizes prior output data of uncertain system to estimate iteratively the static state property of system in order to achieve ideal approaching precision for identification of the positive model, a robust iterative learning control scheme on the basis of better positive model is designed. the neural network is used to identify the positive model of nonlinear system on iterative axis, which can give feed - forward action of iterative learning controller to reduce the effects of nonlinear properties and model uncertainties. meanwhile, feedback action of iterative learning controller make joint movement follow the desired trajectory on time axis by using controlled parameters derived by the neural network
由於神經網路具有自學習能力，它可利用不確定性系統的歷史輸出數據對系統的穩態特性進行估計，使得對系統正向模型的辨識達到理想的逼近精度，然後在此正向模型的基礎上進行學習控制律的設計：即採用神經網路辨識非線性系統的正向模型，並消除系統不確定性和外部干擾的影響，使關節運動沿迭代軸方向逼近期望軌跡；迭代學習控制器在線學習控制參量，使關節運動沿時間軸方向跟蹤期望軌跡。 -
In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。 -
The accuracy estimate formula of rdm is derived and some useful conclusion is gived in this paper
文章推導了對邊測量的精度估算公式，並通過進一步的分析研究，給出了幾點有益的結論 -
The convergence of the waveform relaxation for solving functional differential - algebraic equations is studied and the error estimate is derived
摘要本文採用波形鬆弛演算法來求解一類泛函微分代數系統，該演算法在迭代過程中，避免了求解泛函微分方程，且利於并行處理。 -
In the application of fractal distribution method to the var computation of shanghai composite index, a simplified fractal distribution composed of normal distribution and cauthy distribution is derived to estimate shanghai composite index
將分形分佈的方法應用於上證綜合指數的var計算，得到一個由正態分佈和柯西分佈混合的簡化分形分佈，進行上證綜合指數的var的估計。
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