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.

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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.

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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.

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