squared value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，收益序列没有明显的自相关性，但其平方或绝对值却高度自相关，序列的波动呈聚集性。
• 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
  传统的计算有效值的方法是利用一个周期内等距离散的20个采样点的瞬时值进行求解，通过计算它们的均方根值来得到有效值。
• 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，直接从控制方程出发计算加速度，其次，给出了位移和速度的一种近似计算公式，最后，推导出响应均方值的离散计算表达式。
• 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
  最后分析不同状态下风力、风力矩的平均值、均方根值、最大值、最小值和峰值因子,探讨了风荷载下高层建筑的相互干扰和群楼对建筑物风力影响。
• 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
  考虑公交优先，并从我国城市交叉口的交通特徵出发，构造了多目标规划函数：一是使公交总延误最小，二是使一般小汽车交通各相饱和度之间的均方差最小。
• 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，路面激励取为白噪声、正弦波和锯齿波，悬架类型采用被动悬架、 pid控制半主动悬架、神经网络控制半主动悬架三种。
• 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
  在此基础上，从随机振动频域分析出发，导出了在平稳或非平稳随机激励下，随机结构的位移响应均方值、应力响应均方值的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。
• 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
  根据模型建立的实际情况,对车辆标准载荷情况下的平顺性指标进行了计算,对人体感受到的振动采用了垂直方向和绕横轴转动方向的加权振级来评价,计算了车辆悬架系统的动挠度均方根值和各车轮相对动载荷均方根值的情况,全面的评价了车型的平顺性。
• 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
  研究结果表明：随着雷诺数的增加，全频带的外径脉动的均方根值加大，但高频带外径脉动的均方根值减小，说明柔性管管壁脉动确实改变了原刚性管的脉动流场，大尺度涡的运动加剧，低尺度涡运动减弱，从而使得能量损失减少，减阻效果增大。
• ( 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 )数据的统计分析：本系统提供基本的数据统计分析功能，可进行包括年龄、院前时间、血压、 gcs 、 rts 、 iss 、 gos 、 ps _ triss 、 ps _ ascot等资料的最大值、最小值、平均值、标准差等大量统计工作；统计结果可用图形或报表形式导出或打印。
• ( 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 )数据处理模块利用dsp处理器对接收到的数据信号进行数字滤波设计,求出相应的均方根值及相位角,并对信号进行相位补偿,最后将数据组帧后传给数据输出模块; ( 3 )数据输出模块将组帧后的数据传送到以太网控制器,继而发送给二次保护测控设备。
• 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
  本文在空间离散上采用谱方法和谱元法的结合，通过在圆管层流速度剖面上叠加随机扰动作为初始场的方法，计算了管长为，平均雷诺数为2250的光滑圆管内的湍流流动，建立了圆管内较低雷诺数下速度场和压力场的数据库。
• 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空间理论，提出了距离估计的d -解，给出了d -解的必要条件，这个条件在线性函数类里即是极小二乘估计法， d -解的必要条件满足的方程实质上将极小二乘估计法推广到多函数及非线性函数类。再而，详细地研究了多元弱平稳序列自回归模型ar ( p )的参数经典的矩的替代估计和极大似然估计，获得矩的替代估计的一致性的结果。对基于gauss白噪声假设多元弱平稳序列自回归模型的均值、白噪声的协方差阵的极大似然估计都有依分布收敛到多元正态分布的统计性质。