On the basis of the scatteringequation, some rules of transferring passive admittance matrix to active admittance matrix are obtained.
从散射方程出发，求得从无源网络导纳矩阵到有源网络导纳矩阵的转换规则。
2
In this paper, the step frequency response equation of optical-region radar target is firstly established by using theories of multiple scattering centers and local resonance.
本文首先根据多散射中心理论与局部谐振原理，建立了雷达目标在光学区阶梯频率波形激励下的响应方程。
3
Forward electromagnetic scattering by buried objects is computed with the integral equation method and efficient algorithm for half-space dyadic Green's functions.