查询词典 square root
- 与 square root 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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First, the traffic flow time series chaotic feature is extracted by chaos theory. pretreatment for traffic flow time series, and the wavelet neural networks model was build by this. Second, the chaotic mechanism and the chaotic probability is described. Based on chaotic learning algorithm, and the wavelet neural networks fast learning algorithm of traffic flow time series is designed based on chaotic algorithm. Last, a single-step and multi-step prediction of traffic flow chaotic time series is researched by BP neural networks, wavelet neural networks and wavelet neural networks based on chaotic algorithm. The results showed that the wavelet neural networks predictive performance is better than the BP networks and the wavelet neural networks by the simulation results and root-mean-square value.
首先,通过混沌理论提取了交通流量时间序列的混沌特征,并在此基础上建立了小波神经网络交通流量时间序列模型;接着,阐述了混沌学习算法的混沌机理、混沌产生的概率,设计了基于混沌算法的小波神经网络交通流量混沌时间序列快速学习算法;最后利用交通流量混沌时间序列对BP网络、非混沌算法的小波神经网络以及基于混沌算法的小波神经网络进行了单步预测和多步预测,并对预测结果的仿真图和真实值与预测值的方均根进行了比较,结果表明基于混沌学习算法的小波神经网络的预测性能明显优于应用BP网络和非混沌算法的小波神经网络。
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Monte Carlo and self-adaptive multi-objective genetic algorithm were applied to solve the multi-objective robust optimization of suspension parameters, taking the statistic mean and standard deviation of root-mean-square value of the vertical acceleration of vehicle body and the dynamic load of front and rear tires as objective functions.
以某载货汽车的四自由度悬架模型为研究对象,同时考虑制造精度的影响,以车身垂直加速度、前后轮胎动载荷的均方根值的统计均值和方差为目标函数,采用蒙特卡罗抽样法和自适应多目标遗传算法对悬架参数进行稳健优化。
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Possible to measure DC/RMS/PEAK, realizing the "true root-mean-square value" with 30 mA as the maximum RMS
内置7种测试电路网,可用于测试常规电气设备仪器的接触电流。
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A class of fast-scale bifurcations appearing around the maximum value of the input voltage is discovered for the first time by experiment. Then the influence of the fast-scale bifurcations on the performance of the PFC converters is discussed. Whether the fast-scale bifurcations will appear and how wide the bifurcation region depend on the characteristics of the current loop output. Therefore, the main factors that affect the current loop output are analyzed, including the current loop parameters, inductance, and root-mean-square value of the input voltage.
通过实验,该文首次发现了一类在输入电压最大值附近发生的快时标分岔;详细讨论了快时标分岔对PFC变换器性能的影响;由于电流环输出的特点决定了变换器是否会出现快时标分岔以及分岔区域的大小,该文分析了影响电流环输出的主要因素,包括电流环参数、电感值和输入电压有效值。
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In this method, the decision-making variables of GA are the unknown quantities of the non-linear equations, the target function for optimization is the minimum of the root-mean-square error between the computational value on the left and the real value on the right in equations, and the initial value is generated randomly in the feasible fields of the decision-making variables.
该算法以非线性方程组的待求量为决策变量,方程组两端向量的均方差最小值为目标函数,初值在决策变量可行域内随机产生。
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At last, by the simulation results and root-mean-square value, the traffic FIRTF neural networks learning and prediction owned on a better advantages, because that the traffic flow FIRTF and the adaptive algorithm combination integrated gda-BP networks, gdm-BP networks, gda-feedback-BP networks and gdm-feedback-BP networks of the four characteristics.
最后,通过交通流量时间序列数据进行了试验分析,说明交通流量FIRTF神经网络以及其于混沌机理的交通流量FIRTF自适应算法综合了gda-BP网络、gdm-BP网络、gda-feedback-BP网络和gdm-feedback-BP网络的特点,使得交通流量FIRTF神经网络在训练和预测的速度上占有很大的优势。
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5Statistically 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.
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。
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By using the KDMRF-1000F MRF polishing machine and KDMRW-1 water based MR fluid,one K4 flat work piece (80 mm in diameter) and one K9 sphere work piece (145 mm in diameter) were polished,experiments show that work piece one has a peak-to-valley value of 55.3 nm and a root-mean-square value of 5.5 nm;and work piece two has a PV value of 40.5 nm and a RMS of 5 nm,which indicates that the surface roughnesses of two work pieces have been improved obviously.
实验显示,样件一面形收敛到PV值55.3 nm,RMS值5.5 nm;样件二面形收敛到PV值40.5 nm,RMS值5 nm;样件的表面粗糙度均有显著改善。结果表明,磁流变修形技术具有高精度、高效率、高表面质量的特点。
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For phase error with root-mean-square value of π/3, more than 90% energy of the totally coherent combining counterpart will be contained in the target area with radius of 5.6 cm.
标 签 光纤光学相干合成非相干合成相位误差光束抖动 fiber optics coherent combining incoherent combining phase error beam jitter
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。