root mean square造句
例句与造句
- When feature point sets are extracted respectively from the two images , correspondence between the point sets is then established by a two - stage matching algorithm . this matching algorithm is based on the alignment metric and < wp = 4 > rmse ( root mean square error )
对两幅图像分别提取广义特征点集之后，提出一种基于对齐度准则和根均方误差的两步匹配算法完成同名控制点的建立。 - This article deduces molecular beam ' s momentum distribution function , calculates mean momentum , root mean square momentum and furthorest possible momentum , and compares them with the characteristic physics quantities corresponding to molecular beam ' s speed distribution function one by one
摘要本文首先推导出分子束的动量分布函数，然后计算了平均动量、均方根动量和最概然动量，并与分子束的速率分布函数相应的特征物理量逐一比较。 - 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。 - 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 quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained , then the elongated charge , and the vertical delay stacked source , and the concentrating energy source , and the detonating seismic hammer , and opposite collision source were developed
本文基于球腔震源的纵波位移方程、激发子波的振幅及频率与药量的关系等理论基础，总结了纵波质点位移与药量成正比、振幅谱均方根与空穴半径的3 2次方成正比的定量关系。 - It's difficult to find root mean square in a sentence. 用root mean square造句挺难的
- Angular distributions for some interesting states of 12b and 13c have been experimentally measured in hb ( d , p ) and 12c ( d , p ) reactions . the density distributions , rms ( root mean square ) radii , contributions of outside nucleon , etc . , of the valence neutrons in these states are extracted by dwba ( distorted wave born approximation ) method and anc ( asymptotic normalization coefficient ) method , respectively
实验测量了11b ( d , p )和12c ( d ， p )反应中12b和13c几个感兴趣的核态角分布，分别用dwba方法和anc方法从角分布数据中抽取了各核态外层中子的密度分布、 rms半径以及外层核子的贡献等，对这两种方法作了比较。 - 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。 - ( 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。 - The md simulation data were analyzed in terms of average atomic positions , root mean square ( rms ) fluctuations , monomer - monomer interactions , hydrogen bond ( h - bond ) network , secondary structure , and so on . through the comparison , we found that when the system includes zn2 + ions and phenol , the stability of insulin hexamer is enhanced , but the conformational flexibility related to its biological activity is decreased . in addition , the insulin hexamer tends to dissociate in the absence of zn2 + and phenol
通过对这两个模拟所得到的轨迹在原子的平均位置、方均根涨落、方均根偏差、单体之间相互作用、氢键网络、二级结构等方面进行的比较分析发现，对于包含锌离子和苯酚的体系，胰岛素六聚体的稳定性得到了增强，但其构象柔性却受到了削弱；对不含锌离子和苯酚的体系，胰岛素六聚体的稳定性明显减弱，构象柔性却表现得较为突出，在这种情况下，胰岛素六聚体还表现出解聚的倾向。 - The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented . to evaluate the performance of the proposed method . monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets
在此基础上，提出了针对相位权重角度超分辨法的雷达目标的运动补偿方法，分析了雷达系统各部件的不理想性对超分辨性能的影响，用montecarlo方法对无抖动目标和有抖动目标在不同信噪比下的方位估计误差和方位超分辨的信噪比门限进行了仿真计算，并将结果同波束空间music方法及cramerrao限进行了比较。 - This paper also show a rough estimate of the gains of this array , because it needs one year ' s data to collect one year ' s noise correlation variation curves and then give a more practical detection ability of the seismic array . one result of this paper is " seismic array site survery data processing software " exploited by the author . the software can calculate the power spectrum of noise for every site , noise coherence function for every site pair , the cross - correlation curves , the root mean square of noise for every site and the array response
此外还计算了该台阵的台阵响应，发现台阵响应的主瓣高而尖；旁瓣很小，这歪姐钮远宣腔挝踏数公镀壁韶逼上拢唆精确啻应：有关此台阵的检测能力，只能给出一个粗略的估计，因为评价一个台阵对地震事件的检测能力需要获得为期一年的观测资料，才能给出一年内噪声场变化的相关值曲线，最终给出更加符合实际的台阵检测能力。 - 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。 - Welch , 1967 ) , the author calculated noise power spectrum of every site to see if the noise level of the array site accord with ims standard ( the noise level at 5 hz must lower than - 135db ) , and the result suggest that the noise level accord with the ims standard . to find out the principle of noise ' s variation , the root mean square of every site had been calculated and analysised , the result show that several sites had obvious daily variation which is relevant to the tv transmittion tower on the top of dajianshan
Welch ， 1967 )对台阵阵址各测点的噪声功率谱进行了计算与分析并对各测点的噪声均方根值做了计算，结果表明台阵的背景噪声达到了ims要求的标准(即在5hz处噪声功率谱要小于- 135db ) ，多数测点的噪声有明显的日变化规律，这与大尖山顶的tv发射塔有关。 - During the course of the research , the criterions of the interpolation effect are mean error ( me ) , mean absolute error ( mae ) , root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature . the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model , the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model , taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently , which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution , using the modified gaussian weighted model a and b , can accurately reflect the temperature - changing - with - topographical - altitude trend . among them , the better is the model a , whose me is below 0 . 03 ?
在此过程中，采用平均误差( me ) ，平均绝对误差( mae ) ，插值平均误差平方的平方根( rootmeansquaredinterpolationerror ，简称rmsie ) ，插值前后测站要素值的均方差( meansquaredeviation ,简称msd )差值作为判定插值效果的标准，得出如下结论：通过高斯权重法与结合逐步订正的高斯权重法的对比，说明结合逐步订正方案的高斯权重法可大大提高地面日气温的插值精度；在高斯权重法中加入海拔影响项可以反映出温度随地形高度的变化趋势，同时也能较大地提高地面日气温的空间插值精度，说明在地形复杂的区域，地形影响在插值精度中是不可忽略的；对于高斯权重法的两种改进方案得到的地面日气温分布图都能很好地反映出表面大气气温随地形高度的变化趋势。 - The acceleration and displacement of the structural model under el - centro earthquake excitation is simulated by matlab . the comparison of the response under no control and predictive control is made . the max value and the rms ( root mean square ) value of the acceleration of the top floor decrease 50 % and 47 . 7 % respectively
以matlab为仿真工具，对12层高层建筑结构模型在ei - centro地震波激励下的加速度和位移响应进行仿真，并对结构在无控制和预测控制两种情况下的响应进行比较，结构顶层加速度的最大值和均方根值分别减小50和47 . 7 ，位移的最大值和均方根值分别减小74 . 5和71 . 9 ，减震效果十分明显。