halen meaning in English
哈伦
海伦
霍伦
诺曼地公爵
Examples
- The thesis focus on the numerical analytical method of curved broadband wire antennas . first , the paper introduced the development of broadband antennas , the common measures to broaden antennas " bandwidth and the study on curved antennas . second , the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed
本文就曲线宽频带线天线的数值分析方法展开研究，首先介绍了宽频带天线的发展，实现天线宽频带的常用方法和曲线天线的研究现状，然后在直线加载天线满足的方程的基础上用两种方法推导了曲线天线满足的推广的海伦积分方程( mei ’ s方程) ，讨论了不同基函数下方程的数值解法。