查询词典 closed formula

The result shows that frequency calculated using the finite element modeling is closed with those calculated by formula, which has proved approximate formula has very high accuracy.

研究结果表明：采用有限元建模计算基频，其结果与公式计算结果接近，证明近似公式计算精度高。

The closed-form formula and its asymptotic form of system outage probability are derived, through which it is shown that the outage probability decreased by a factor of γ-KNtNr here γ denotes the average SNR

理论推导出中断概率的闭式解及其近似解，通过该近似解，可以得到中断概率以γ-KNtNr 的形式减少这里γ是平均信噪比SNR

The main contributions in this area are summarized as follows,? The closed-form formula and its asymptotic form of system outageprobability are derived, through which it is shown that the outage probability decreased by a factor ofγ~(hereγdenotes the average SNR);? The closed-form formula of outage capacity is derived, through which weshow that 1 outage capacity increases with the increases of mean value of sytem SNR, and decreases with the increase of the variance of system average SNR; 2 in order to obtain higher outage capacity, the number of transmit antenna should be no more than that of receive antennas.?

特别的，针对多用户发送天线选择／最大比合并系统，主要贡献总结如下：·理论推导出中断概率的闭式解及其近似解，通过该近似解，可以得到中断概率以γ~的形式减少(这里γ是平均信噪比SNR)·推导出平均中断容量的闭式表达式，研究表明：1中断容量随着有效平均SNR的均值的增加而增加，随着有效平均SNR的方差的增大而减小；2为了获得更高的中断容量，发送天线的数目应当不大于接收天线的数目。

The recurrence formula of linear birefringence calculation for a closed —loop optical path of sensing head is obtained.

OCT的性能分为由其原理所决定的基本特性和外界因素影响下的实际性能。

For making this formula more closed to reality,we assign a weight to each of nodes and adjust these weights.

为使所得概率计算公式尽可能地符合现实情况，每一个对等点分别被赋予不同的权，随后对所赋权进行调整。

A practical method for predicting the reflective crack initiation life is developed, and the corresponding formula in the closed form is obtained.

在此基础上，导出了预估反射裂缝形成寿命的简便方法与公式。

The comparison indicates the strain variety ratio of strain and that of interface layer are closed, the theory formula based on this assumption is more reasonable and can be applied in engineering practice.

几种基本假设中，假定光纤与中间层一起变形，二者应变变化率相近最为合理，在此基础上推导出的理论公式可应用于工程实际。

In this paper, the force-energy formula which is suitable for double groove ball section ring is deduced based on force-energy formula of closed rolling... of rectangular cross-section ring by using micro-element method.

本文在矩形截面环件闭式辗扩力能公式的基础上，采用微元法推导了适合双沟截面环件的辗扩力能公式。

The general closed formula of power spectrum density for multi-user aggregate pulsed UWB radio is given, which is the theoretical base for optimizing PSD design of UWB radio. We investigate the main system parameters impact to the PSD of UWB aggregate signals.

从理论上给出了基于超宽带冲激无线电方式的常规调制信号的功率谱密度函数的一般性表达式，为超宽带信号的功率谱优化设计提供了理论基础，研究了系统参数对超宽带信号功率谱的影响。

In 1943 - 1945, he worked in the Institute for Advanced Study at Princeton. Having arrived in the United States for two months, he finished his famous paper entitled "A simple intrinsic proof of the Gauss-Bonnet formula for closed Riemannian manifolds", which inspired other differential geometers.

抵美两个月后，即完成其著名的论文──《闭曲面流形高斯--博内公式(Gauss-Bonnet Formula)的一个简单的内蕴证明》，对於后来微分几何的发展和微分几何学者的研究影响深远。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。