mean-square value 中文意思是什麼

mean-square value 解釋
均方值
  • mean : vt 1 意,有…的意思,意思是…。2 意指,用…意思說;意味著,就是。3 (用語言、繪畫等)表示意思,表示...
  • square : n 1 正方形,四方塊,四角;方形物。2 (方形)廣場;〈美國〉(四面都是馬路的)方陣建築;街區;(方...
  • value : n 1 價值;重要性;益處。2 估價,評價。3 價格,所值;交換力。4 (郵票的)面值。5 等值;值得花的代...
  1. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明:隨著雷諾數的增加,全頻帶的外徑脈動的均方根值加大,但高頻帶外徑脈動的均方根值減小,說明柔性管管壁脈動確實改變了原剛性管的脈動流場,大尺度渦的運動加劇,低尺度渦運動減弱,從而使得能量損失減少,減阻效果增大。
  2. With the idea of bus priority and from the analysis of traffic ' s characteristic of china ' s urban intersections, a multi - objective programming function is constructed to minimize not only the total delay of bus operating but also the mean square value of saturations of car flows of all phases

    考慮公交優先,並從我國城市交叉口的交通特徵出發,構造了多目標規劃函數:一是使公交總延誤最小,二是使一般小汽車交通各相飽和度之間的均方差最小。
  3. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s

    在此基礎上,從隨機振動頻域分析出發,導出了在平穩或非平穩隨機激勵下,隨機結構的位移響應均方值、應力響應均方值的數字特徵計算表達式,通過算例驗證了所建模型和所提求解方法的正確性和有效性。
  4. Finally, the average value, root - mean - square value, maximum, minimum, spike factor of wind force, wind force moment are analyzed to studied the mutually interference influences to the base force of high buildings and group of buildings

    最後分析不同狀態下風力、風力矩的平均值、均方根值、最大值、最小值和峰值因子,探討了風荷載下高層建築的相互干擾和群樓對建築物風力影響。
  5. Root mean square value

    均方根值
  6. Mean square value

    均方根值
  7. The acceleration is first evaluated from governing equation, secondly, the formulae of displacement and velocity are developed basing on some assumptions, and then the discrete expressions of the response mean square value are deduced

    首先,直接從控制方程出發計算加速度,其次,給出了位移和速度的一種近似計算公式,最後,推導出響應均方值的離散計算表達式。
  8. Passive suspension, pid control semi - active suspension and neural network control semi - active suspension are researched by simulation. white noise, sine wave and sawtooth wave are used for excitation. the root mean square value of vehicle body acceleration, suspension displacement and vehicle wheel load are analyzed

    在模擬研究中,路面激勵取為白噪聲、正弦波和鋸齒波,懸架類型採用被動懸架、 pid控制半主動懸架、神經網路控制半主動懸架三種。
  9. Base on the model founded, this paper assessed the ride performance by analyzed the root mean square value of power spectral density of acceleration of z - axis and round y - axis rotation acceleration at the driver ’ s seat. the root mean square value of suspension working spaces and dynamic tyre loads were also analyzed. base on the assessing system of vehicle ride performance, the root mean square

    根據模型建立的實際情況,對車輛標準載荷情況下的平順性指標進行了計算,對人體感受到的振動採用了垂直方向和繞橫軸轉動方向的加權振級來評價,計算了車輛懸架系統的動撓度均方根值和各車輪相對動載荷均方根值的情況,全面的評價了車型的平順性。
  10. Secondly, some new concepts including mean value controllability, mean square controllability, mean value observability, mean square observability, mean value stabilization, mean square stabilizability, mean value detectability and mean square detectability of networked control systems are defined in this dissertation. some sufficient or necessary conditions for networked control systems with corresponding properties are presented

    提出了網路控制系統的均值能控、均方能控、均值能觀、均方能觀、均值可鎮定、均方可鎮定、均值可檢測和均方可檢測等新概念;得到了網路控制系統具有相應性質的充分或必要條件。
  11. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  12. ( 5 ) statistically analyze data : except provide basic analysis, it can also calculate the maximum, minimum, average and root - mean - square value of age, pre - hospital, bp, gcs, rts, iss, gos, ps _ triss, ps _ ascot. the results can be output or printed out by the forms of graph or report

    ( 5 )數據的統計分析:本系統提供基本的數據統計分析功能,可進行包括年齡、院前時間、血壓、 gcs 、 rts 、 iss 、 gos 、 ps _ triss 、 ps _ ascot等資料的最大值、最小值、平均值、標準差等大量統計工作;統計結果可用圖形或報表形式導出或列印。
  13. Weighted square integral mean value in an error term of generalized dedekind function

    函數誤差項的加權平方積分均值
  14. In accordance with the principle of mean square root value of shocking force to be a minimum, the concrete position of the rotary center of eccentric gear was determined

    根據振動力矩的均方根值最小原則,確定了偏心齒輪的回轉中心的具體位置。
  15. One is combined with the maximum average error criterion and the mean square error criterion, and the other is combined with the absolute value average error criterion and the mean square error criterion. theory analysis shows that the two new search methods have less computational complexity than that of the non - optimal method

    提出了兩種替換原有均方誤差最小準測的方法,分別是最大平均誤差與均方誤差最小準則相結合的搜索標準,以及絕對值平均誤差與均方誤差最小準則相結合的搜索標準。
  16. For the reduced system, the mean square criterion of stochastic melnikov process is derived to give the critical values of the probable onset of chaos and the conclusion is that the critical value turns from increase to decrease as the amplitude of weiner process increases in the interested parameter range

    然後重點討論了平均系統,經過推導得出相應的隨機melnikov過程,用均方值準則導出隨機系統可能產生混沌運動的臨界條件,由此得到了在一定的參數范圍內,隨著weiner過程強度參數值的增大,混沌的臨界激勵幅值先遞減繼而遞增。
分享友人