范文编号:TX049 范文字数:13156,页数:32 摘要 基于MATLAB研究了对称振子阻抗特性和图形仿真,同时针对对称振子阻抗特性给出了仿真的MATLAB程序。对于复杂的正弦积分和冗长的公式,都可以通过简单的编程实现仿真。仿真结果表明,半波振子和全波振子都是比较常用的天线,且半波振子的方向性系数更好一些。从图形的角度来说,所得方法对于各类天线阻抗仿真及误差描述都有积极的意义。 关键词:对称振子天线;阻抗特性;输入电阻;输入电抗;MATLAB
ABSTRACT This paper presents a method to simulate impedance characteristic of symmetrical dipole with MATLAB. At the same time, a program of simulating impedance of symmetrical dipole is given. Then for complicated sine integral and prolix formulae, the study on symmetrical dipole can be easily solved by MATLAB. The simulation results show that half wave dipole and full wave dipole are all predominant, besides half wave dipole has a better directivity coefficient. From the view of simulation, the results gained here will benefit to the simulation of input impedance and error description of other antennas. Keywords: matlab; impedance characteristic; input resistance; input reactance; antenna
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