摘要
从偶极子天线的完整场分布出发,结合近区场和远区场的特点,在保证误差精度为1dB的前提下,经理论分析计算及MATLAB拟合对比,得到了偶极子天线近区、过渡区、远区的范围,并给出了过渡区的简化计算公式,这为中波广播周围电磁环境的计算以及测量提供了理论依据。
According to the complete field distribution of dipole antenna and the characteristic of near-field and far-field, through the theoretical analysis and MATLAB fitting, both the area of near-field, transition-field, far-field and the simplified expression of transition-field can finally be given in the precision of 1dB. As a result, it can provide theoretical basis for the calculation and measurement of electromagnetic environment around medium-wave broadcasting.
出处
《电子设计工程》
2013年第10期48-50,58,共4页
Electronic Design Engineering
基金
环保公益性行业科研专项基金资助(200909106)
关键词
中波广播
偶极子天线
近区场
远区场范围
场强计算
medium-wave broadcasting
dipole antenna
near field and far field area
field strength calculation
