陕西理工学院学报(自然科学版)
陝西理工學院學報(自然科學版)
협서리공학원학보(자연과학판)
JOURNAL OF SHAANXI UNIVERSITY OF TECHNOLOGY (NATURAL SCIENCE EDITION)
2013年
6期
11-15
,共5页
有限差分法%双脊波导%截止频率
有限差分法%雙脊波導%截止頻率
유한차분법%쌍척파도%절지빈솔
finite-difference method%double-ridge waveguide%cutoff frequency
从泰勒级数法出发推出直角坐标系下电磁场纵横关系的亥姆霍兹方程的差分公式,实例分析了对称双脊波导的电磁场场域、截止频率,并分析了非对称双脊波导结构的变化对截止频率的影响。计算结果表明,有限差分法是分析脊波导的一种有效方法。
從泰勒級數法齣髮推齣直角坐標繫下電磁場縱橫關繫的亥姆霍玆方程的差分公式,實例分析瞭對稱雙脊波導的電磁場場域、截止頻率,併分析瞭非對稱雙脊波導結構的變化對截止頻率的影響。計算結果錶明,有限差分法是分析脊波導的一種有效方法。
종태륵급수법출발추출직각좌표계하전자장종횡관계적해모곽자방정적차분공식,실례분석료대칭쌍척파도적전자장장역、절지빈솔,병분석료비대칭쌍척파도결구적변화대절지빈솔적영향。계산결과표명,유한차분법시분석척파도적일충유효방법。
In this paper , the difference formula of two-dimensional Helmholtz equation associated is de-rived, the electromagnetic field and cutoff frequency of symmetrical double-ridge waveguide are presented , and the effects of the structure to the cutoff frequency of the dissymmetrical double-ridge waveguide were given firstly .The results show that:the finite difference method is an effective approach for the analysis of the elec-tromagnetic wave transmission characteristics in the double-ridge waveguide .