The electromagnetic scattering calculation of the inlets of aircrafts is one of the difficult problems to analytically predict the rcs of aircrafts 在飞机雷达截面( rcs )的理论预估中,飞机进气道的电磁散射计算是其难点之一。
Then the problem about how to analytically deduce the giant - magnetoresistance of different practical devices also attracts wide attentions recently 因此如何从理论上解析地推导各种实际器件的巨磁电阻也在最近一个时期吸引了广泛的兴趣。
In chapter two we analytically study the nonlinear lattice effects for the ground state of electron - phonon interaction one - dimensional molecular crystal system 第二章用解析方法研究一维分子晶体电子-声子耦合系统基态中晶格非线性效应。
Mode conversion of an optical beam in a nonlinear weakly - guiding elliptic graded - index fiber is investigated . the formulas of mode conversion are given semi - analytically 摘要研究了非线性弱导椭圆梯度折射率光纤中光束的模式变换,给出了模式变换的半解析公式。
Using the evolution method , by solving the master equation analytically , we find that as the accuracy to implemente the logic gate operation is improved , the time needed is prolonged 可是在量子逻辑门操作精度提高的前提之下,进行一次逻辑运算的时间被延长。
This dissertation also describes the implementation of a non - linear algorithm whose uniform observability , minimal realization and stability had been proven analytically by previous works 并用改进的线性算法对合成图像序列和真实图像序列进行实验,给出了相应的实验结果。
The singly scattered radiant intensity is computed analytically without approximation , preserving more of the angular dependence in the radiance than other approximation solutions 单次散射是可以精确求解的,没有作任何近似,这就使得与其他近似算法相比,该算法包含有更多的角度信息。
If one consigers the fact that the firstderivative of the function may be difficult to compute analytically the new procedure will become an attractive alternative and it has quartic convergence 这种混和方法对于解决导数求值比较困难的问题是一个良好的选择,而且它具有四阶的收敛性。
S . bekiranov and m . e . fisher analytically calculated these correlation lengths with two methods : the first is hnc and meeron ' s resummation , the second is generalized debye - huckel theory Fisher分别用超网链方程与meeron恢复,推广deby hllckel两种方法解析计算了上述各种关联长度。
Valuation - analytically and evidence - analytically , this dissertation carries out a study on the legal force of the preemption from the perspective of jurisprudence and social science 本文运用实证分析和价值分析的方法,从法律规范和法律价值的角度,围绕优先购买权的法律效力问题展开论述。