regular domain meaning in English

正则域

The fft of laplace equation on the regular domain is studied . as the application , combined with ddm , the fast algorithm is used to compute characteristic impedance of rectangular coaxial line
另外，研究了规则区域上laplace方程的fft快速算法，作为应用，结合区域分解法分析了准tem传输线。
The fft of helmholtz equation on the regular domain is studied . and the multifrontal algorithm is used to solve the matrix equations in computational electromagnetics . finally , the finite - difference approximate forms of maxwell equations and the despres transmission condition are discussed
为了充分提高算法的计算效率，研究了规则区域上helmholtz方程的fft快速算法，以及有效地将多波前算法引入计算电磁学领域用于求解差分稀疏矩阵方程。