squared value造句
例句與造句
- Root mean square value
均方根值 - Mean square value
均方根值 - Firstly , the logarithmic return series usually show no or little autocorrelation , whereas the squared values or absolute values of the series have high autocorrelation
首先,收益序列沒有明顯的自相關(guān)性,但其平方或絕對值卻高度自相關(guān),序列的波動(dòng)呈聚集性。 - The traditional method is that sampling 20 equidistance discrete voltages to calculate the virtual value . to gain the virtual value , we firstly average their square values , and then extract it
傳統(tǒng)的計(jì)算有效值的方法是利用一個(gè)周期內(nèi)等距離散的20個(gè)采樣點(diǎn)的瞬時(shí)值進(jìn)行求解,通過計(jì)算它們的均方根值來得到有效值。 - 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(fā)計(jì)算加速度,其次,給出了位移和速度的一種近似計(jì)算公式,最后,推導(dǎo)出響應(yīng)均方值的離散計(jì)算表達(dá)式。 - It's difficult to find squared value in a sentence. 用squared value造句挺難的
- 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
最后分析不同狀態(tài)下風(fēng)力、風(fēng)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(fēng)荷載下高層建筑的相互干擾和群樓對建筑物風(fēng)力影響。 - 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(yōu)先,并從我國城市交叉口的交通特徵出發(fā),構(gòu)造了多目標(biāo)規(guī)劃函數(shù):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。 - 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
在仿真研究中,路面激勵(lì)取為白噪聲、正弦波和鋸齒波,懸架類型采用被動(dòng)懸架、 pid控制半主動(dòng)懸架、神經(jīng)網(wǎng)絡(luò)控制半主動(dòng)懸架三種。 - 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(chǔ)上,從隨機(jī)振動(dòng)頻域分析出發(fā),導(dǎo)出了在平穩(wěn)或非平穩(wěn)隨機(jī)激勵(lì)下,隨機(jī)結(jié)構(gòu)的位移響應(yīng)均方值、應(yīng)力響應(yīng)均方值的數(shù)字特征計(jì)算表達(dá)式,通過算例驗(yàn)證了所建模型和所提求解方法的正確性和有效性。 - 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(jù)模型建立的實(shí)際情況,對車輛標(biāo)準(zhǔn)載荷情況下的平順性指標(biāo)進(jìn)行了計(jì)算,對人體感受到的振動(dòng)采用了垂直方向和繞橫軸轉(zhuǎn)動(dòng)方向的加權(quán)振級來評價(jià),計(jì)算了車輛懸架系統(tǒng)的動(dòng)撓度均方根值和各車輪相對動(dòng)載荷均方根值的情況,全面的評價(jià)了車型的平順性。 - 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(jié)果表明:隨著雷諾數(shù)的增加,全頻帶的外徑脈動(dòng)的均方根值加大,但高頻帶外徑脈動(dòng)的均方根值減小,說明柔性管管壁脈動(dòng)確實(shí)改變了原剛性管的脈動(dòng)流場,大尺度渦的運(yùn)動(dòng)加劇,低尺度渦運(yùn)動(dòng)減弱,從而使得能量損失減少,減阻效果增大。 - ( 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(shù)據(jù)的統(tǒng)計(jì)分析:本系統(tǒng)提供基本的數(shù)據(jù)統(tǒng)計(jì)分析功能,可進(jìn)行包括年齡、院前時(shí)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(biāo)準(zhǔn)差等大量統(tǒng)計(jì)工作;統(tǒng)計(jì)結(jié)果可用圖形或報(bào)表形式導(dǎo)出或打印。 - ( 2 ) data - processing module , its functions is using dsp processor to designdigital filter for the receiving signals , work out the root mean square values and phaseangle , then the phase compensation technique is applied to modify the signals , at lastexport the combining frame data . to data - output module . ( 3 ) data - output module , its functions is transmitting combining frame data toethernet controller , then send the data to the protective device
( 2 )數(shù)據(jù)處理模塊利用dsp處理器對接收到的數(shù)據(jù)信號(hào)進(jìn)行數(shù)字濾波設(shè)計(jì),求出相應(yīng)的均方根值及相位角,并對信號(hào)進(jìn)行相位補(bǔ)償,最后將數(shù)據(jù)組幀后傳給數(shù)據(jù)輸出模塊; ( 3 )數(shù)據(jù)輸出模塊將組幀后的數(shù)據(jù)傳送到以太網(wǎng)控制器,繼而發(fā)送給二次保護(hù)測控設(shè)備。 - Spectral method and spectral element method are both used in the present dns . the flow is developed from an initial velocity field whose mean and root mean square values are fitted to the experimental data . the reynolds number of the flow is 2250 based on the mean velocity and the radius of the pipe
本文在空間離散上采用譜方法和譜元法的結(jié)合,通過在圓管層流速度剖面上疊加隨機(jī)擾動(dòng)作為初始場的方法,計(jì)算了管長為,平均雷諾數(shù)為2250的光滑圓管內(nèi)的湍流流動(dòng),建立了圓管內(nèi)較低雷諾數(shù)下速度場和壓力場的數(shù)據(jù)庫。 - 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,借助hilbert空間理論,提出了距離估計(jì)的d -解,給出了d -解的必要條件,這個(gè)條件在線性函數(shù)類里即是極小二乘估計(jì)法, d -解的必要條件滿足的方程實(shí)質(zhì)上將極小二乘估計(jì)法推廣到多函數(shù)及非線性函數(shù)類。再而,詳細(xì)地研究了多元弱平穩(wěn)序列自回歸模型ar ( p )的參數(shù)經(jīng)典的矩的替代估計(jì)和極大似然估計(jì),獲得矩的替代估計(jì)的一致性的結(jié)果。對基于gauss白噪聲假設(shè)多元弱平穩(wěn)序列自回歸模型的均值、白噪聲的協(xié)方差陣的極大似然估計(jì)都有依分布收斂到多元正態(tài)分布的統(tǒng)計(jì)性質(zhì)。