Coaxial feed structures are widely used in ultra-wide band antennas . This paper modeled the characteristic of the monopole antenna feeded by coaxial line by FDTD in the time-domiain,which showes that . Firstly, it introduced the theory of the arithm

Training a 3 layers feed forward neural network using back propagation algorithm

PFC with true feed forward

用矩量法计算偏置抛物面天线，需要输入抛物面天线以及馈源的信息-Offset paraboloid antenna was calculated by the method of moment, need to input the confidence of the paraboloid antenna and feed