本文主要研究了子阵级数字波束形成的性能、加权网络的构建以及一种平面阵的模拟和数字加权方法。
In this paper, we mainly study on properties of digital beamforming with subarray, construction of weighting network and an analog and digital weighting approach with plane array.
利用广义拉盖尔多项式的级数表达式和分步积分法，给出了各向同性谐振子径向矩阵元的另一种表达式。
Another expression of the radial matrix elements for isotropic harmonic oscillator is obtained by using progressional expression of the generalized Laguerre polynomial and the partial integration.
而对位移谐振子，用级数方法无法得到精确解，也可用本方法求得精确显式解。
For displacement resonator, although exact solution can't be obtained by using series method, yet it can be obtained through this method.
指定在目标计算机上搜索某个文件所必需的子文件夹级数，该级数包括当前文件夹在内。
Specifies the number of levels of subfolders, including the current folder, necessary to search for a file on a target computer.
利用球面调和级数的空间正交分解特性，计算三维颅骨的空间分解特征向量，继而构造三维特征描述子。
A new approach is presented to calculate 3d skull spatial decomposition feature vector through using the orthogonal decomposition property of spherical harmonic transform.
本文讨论了线性谐振子的级数解和算符法，导出了两者之间的关系。
The operator theory method lead to the uncertainty relation of one dimensional infinite well;
本文讨论了线性谐振子的级数解和算符法，导出了两者之间的关系。
The operator theory method lead to the uncertainty relation of one dimensional infinite well;
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