求平均值 的英文怎麼說
中文拼音 [qiúpíngjūnzhí]
求平均值
英文
averaging-
Find the magnitude of the average acceleration during the interval.
求在這段時間間隔內平均加速度的數值。And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。By end of 1998, the nominal value of derivatives transactions had happened in the official exchange within 5 years increased from 7. 7 trillion u. s. dollars to 13. 5 trillion u. s. dollars, meanwhile, the nominal value of derivative securities ( otc ) increased from 8. 7 trillion u. s. dollars to 51 trillion u. s. dollars, then, the nominal value of unliquidated derivatives was total about 64 trillion u. s. dollars, and the academic field also emerged frontier science borrowing for the financial science, physics financial science, financial engineering, etc. 1973, black and scholes put forward the differential equation that any derivative securities prices based on any non - dividend paying stock must be satisfied, that is black - scholes differential equation
Jamshidian . f在其1989年的文章中推導出零息債券的期權價格。奧托同樣在其1998年的論文中用統計物理學中的路徑積分方法推導出了基於零息債券為基礎的期權定價模型。本文在這些學者研究成果的基礎上,進行了更深層次的研究,在vasicek隨機模型的基礎上,打破上述學者及著名的black - scholes期權定價模型只能求解證券及其衍生產品價格平均值的限制,對零息債券和基於零息債券的期權的價格求解,並推導證券瞬時價格的分佈函數。The implementation uses two - dimension images as input. the arrangement of light spots on the lunar rover and the imaging geometry of the camera are used to compute the three - dimension coordinates of the light spots in camera coordinate system, and after transformation, the world coordinate of the light points. we can then easily get the coordinate value of center of mass of the rover after averaging the world coordinate value of light points
本文構造了一種光點配置單目ccd演算法,它以計算機視覺系統採集的二維圖像信息作為輸入,直接利用光點的幾何配置條件和攝像機成像幾何關系,求解出光點在ccd攝像機坐標系下的三維坐標,並經過坐標變換,轉化為在世界坐標系下的坐標,然後取其平均值,從而得出月球車的中心位置。Seasonal dynamic model is introduced to analyze and evaluate tianjin raw water quality of luanhe river during 10 years for the first time, and so does for huanghe river during 4 years. based on these historical data, some long - term trend function of water quality items is got, by which seasonal fluctuation rate ( s c ) and seasonal dynamic trend of water quality items are computed. for the first time, clustering analysis is introduced to divide tianjin raw water into different levels
首次採用季節變動模型對天津市灤河水源10年的水質情況和黃河水源4年的水質情況進行了分析評價,得出各個水質指標的長期趨勢項回歸方程,根據趨勢模型和各水質指標的歷史數據求出季節比sc ,在各個指標的季節平均值和對應的季節比( sc )的基礎上,得到了各個水質指標的季節變化趨勢值。We optimized to derive the merv input shaper and compare it to other input shapings. through the comparison, we can find out that the merv shaping yield the better performance than the others. we can also derive the hybrid input shapers if we simplify the optimal process
並應用merv (最小余振平均值)輸入成型方法,以磁頭定位系統為模型,通過數值優化過程求解出最優的merv輸入成型器和次最優的混合輸入成型器。For more information about the return types of added or average data, see
有關將數據相加或求平均值時的返回類型的詳細信息,請參閱However, the delta rule rests on refinements in the notions of average and error
但是delta規則取決于求平均值方法的精確度以及誤差。Box each pixel is computed by averaging a 2x2 box of pixels from the source image
通過對源圖像中2x2 ( x2 )框內的像素求平均值來計算每個像素。For example, a package that computes many aggregates, such as averages and sums, using a separate data flow task to perform each aggregation, can be restarted after computing an aggregation fails and only that aggregation will be recomputed
例如,如果包需要計算多個聚合,例如求平均值和求和,而且使用不同的數據流任務執行每個聚合,則在計算一個聚合失敗時,可以重新啟動該包,只重新計算該失敗的聚合。The head on situation and overtake situation can be regarded as a special case of cross situation ; 5 through the comprehensive analysis of all kinds of schemes, to determine a best scheme of radars collision avoidance, which may be applied to the following three circumstances : cross situation, head on situation as well as overtake situation, thus to take any measures to alter course, slow down or slow down with alteration ; 6 through the analysis of a special situation, to study the method how to calculate the range of dangerous angle of collision avoidance ; 7 through the statistics of action of collision avoidance, to find out the rules of taking actions to revise the " best scheme " ; 8 the principle and method of optimization are presented
6 、對一種特殊的會遇情況:位於轉向不變線或其平行線上的來船的dcpa和tcpa的變化作分析,探討出「轉向忌諱角」的求取方法,在避碰方案中應避免使用「轉向忌諱角。 」在多船避讓時,如採取一次轉向行動讓清所有船舶,則該理論的應用將使避碰方案更加完美。 7 、對駕駛員的避碰行為作調查統計(交叉相遇) ,得出駕駛員在交叉相遇局面中的行動幅度和行動時機(距離)的統計數據,得到行動幅度和行動時機的平均值,對「最佳方案」進行修正。In order to adapt the maintenance activities well, this paper makes some ameliorations, as follows : ( 1 ) it is considered not so pertinent in this paper to take road user cost into account of total cost, and an advice of using pavement serviceability performance for benefit is given. ( 2 ) when evaluating the average of the road network serviceability, this paper put forward to using weighed geometric mean to calculate pqi. ( 3 ) bringing in a new idea of checking the reasonability of classifying pavement state and typical measure by transfer probability
為盡可能使其反映實際的養護規律,本文在前人研究的基礎上,提出以下改進: ( 1 )在建立費用模型時,認為在我國現階段,考慮用戶費用有不妥之處,提出以路面使用性能作為用戶費用的映象,以路面使用性能作為效益的評價指標; ( 2 )在評價路網平均服務水平時,提出用加權幾何平均值來計算路面使用性能綜合評價指標pqi ; ( 3 )提出了利用轉移概率檢查狀態的劃分和典型措施的合理性的新思想; ( 4 )在求解markov決策模型時,通常使用的方法是線性規劃法,本文闡述了另外兩種求解的方法:策略迭代法和整數規劃法。In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly
在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值,從而使數據的準確性得到極大地提高。This paper introduces two methods of computing density and enthalpy : combination of " sectional average value " and " look - up tables " will improve the temperature resolution to 0. 1, that is / 0. 1 and h / 0. 1 ; " mathematical simulation " method will get density and enthalpy value with error less than 0. 01 %
在本文中,提出了兩種計算密度值和熱焓值的方法:用「區間平均值法」與查表法相結合,來求密度值和熱焓值,可將求的密度值和熱焓值所對應的溫度解析度,提高到0 . 1 ,即0 . 1 、 h 0 . 1 。In this thesis, we introduce the basic operating mode of csc briefly, then we point out the problems which lies in our service quality control index system. the main problem is that we are n ' t able to measure the kpi ( key process index ) exactly. the mean of the index could n ' t tell us the defects in the service process and the gap between our work and the demands of our clients
本文在簡單介紹了服務支持型客戶服務中心基本建設模式的基礎上,指出現階段我們的服務質量監控指標體系存在的問題,主要在於對服務過程的指標度量比較粗略,只計算指標的平均值,不能客觀反映客戶服務中心服務過程的能力和客戶需求之間的差距,也未考慮客戶服務中心的成本效率因素,為此我們導入6管理理念。Let us first look at the simpler problem of finding the average of just two numbers.
先來看一下比較簡單的問題,只求兩個數的平均值。The best - matching result will receive median average of claimed credits ( calculated in same way as the canonical credit )
最一致的結果能夠得到要求積分的平均值那麼多積分(和「統一積分」計算方法一樣) 。Some parameters chain may deviate from the expectancy value or average in the supply chain, such as demand, price, cost, and so on, and then there is a variance risk
供應鏈中的某些參數,如需求、價格、成本等可能偏離供應鏈的預期值或者平均值,這就產生了供應鏈方差風險。The new method is convenient for calculating the land surface turbulence flux over heterogeneous terrains. 2. there is some error to calculate the factor flux by grid mean as compared with by each patch ( such as mosaic method )
用要素的格元平均值直接求陸雇百通骨與各小塊求公定通傭卜所得的結果有一定的誤差(如馬賽克法) 。Suppose the interaction potential energy of two molecules is related with the orientation ( equivalent orientation ) of lc and substrate molecules
設上述兩種分子之間勢能的各向異性部分與液晶分子長軸取向和基板分子的取向(或等價取向)有關,可求它的統計平均值。分享友人