2) rate of approximation
逼近速度
1.
With the best polynomial approximation as a metric,the rate of approximation of the neural networks with single hidden layer to a continuous function is estimated by using a constructive approach.
所获结果表明:对定义在紧集上的任何连续函数,均可以构造一个单隐层神经网络逼近该函数,并且其逼近速度不超过该函数的最佳多项式逼近的二倍。
3) approximation rate
逼近速度
1.
The present paper considers the Muntz rational approximation rate in L[0,1]p spaces and gets for 1≤p≤∞.
本文给出了当λn≤Mn-1/2,n=1,2,…,(其中M>0为一正常数)时Muntz系统{xλn}的有理函数在Lp[0,1]空间的逼近速度,主要结论为Rn(f,Λ)Lp≤CMω(f,n-1/2)Lp,1≤p≤∞。
2.
The kernel estimator and the random wighting estimator of probability density function are constructed under random right censored data, the normal approximation rates and random weighting approximation rates of the error distribution of kernel estimator are obtain under suitable conditions, and the result of Sun Liuquan and Zhu Lixing (1999) is improved.
在随机右删失数据下构造了概率密度函数的核估计和随机加权估计,得到了核估计的误差分布的正态逼近速度和随机加权逼近速度,改进了孙六权和朱力行(1999)的主要结果。
4) Velocity of secure approach
安全接近速度
5) passive safety
被动安全
1.
In order to satisfy the demand of vehicle passive safety, the crashworthiness performance of railway vehicle is simulated with MSC Dytran.
为满足城市轨道车辆的被动安全设计的要求,运用MSCDytran软件对某城市轨道车辆头车的耐碰撞性能进行仿真,经过改进设计得到满足车辆运用要求的吸能结构,分析结果表明车辆耐碰撞设计思路是可行的。
2.
Recent years,the passive safety of large bus and coach has been studied deeply by foreign countries,and good effects have been achieved.
近年来,国外大客车被动安全研究进展迅速,并取得了良好的效果。
3.
This paper introduces the two aspects of safety property of autos;active safety and passive safety.
介绍了汽车的主动安全技术与被动安全技术,通过对二者技术范畴及应用前景的分析比较,阐明了主动安全技术与被动安全技术的结合是未来汽车安全发展的主要趋势,并且对主动安全技术的一些前沿课题作了介绍。
6) normal approximation rate
正态逼近速度
1.
The means of the error decomposition of kernel estimates is extended and by it the normal approximation rate and the law of iterated logrithm for the improved kernel estimates of nonparametric regression function are obtained under usual conditions.
把已有的误差分解式推广到改良情形 ,并利用它得到了非参数回归函数改良核估计在样本独立同分布下的正态逼近速度和重对数
补充资料：被动
①待外力推动而行动（跟‘主动’相对）：工作要主动，不要～。②不能造成有利局面使事情按照自己的意图进行（跟‘主动’相对）：由于事先考虑不周，事情搞得很～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条