CAJ | 학술논문

利用图形处理单元(GPU)加速混合场积分方程(CFIE)分析导体目标电磁散射问题。较电场积分方程(EFIE)和磁场积分方程(MFIE)，CFIE消除了内谐振问题，并且具有更好的条件数。求解的数值方法为基于 RWG基函数的矩量法(MoM)。所有计算步骤均在 GPU上实现，包括：阻抗元素填充、电压向量填充、矩阵方程的共轭梯度(CG)求解、雷达散射截面(RCS)计算。在保证数值精确度的前提下获得了数十倍的速度提升。
이용도형처리단원(GPU)가속혼합장적분방정(CFIE)분석도체목표전자산사문제。교전장적분방정(EFIE)화자장적분방정(MFIE)，CFIE소제료내해진문제，병차구유경호적조건수。구해적수치방법위기우 RWG기함수적구량법(MoM)。소유계산보취균재 GPU상실현，포괄：조항원소전충、전압향량전충、구진방정적공액제도(CG)구해、뢰체산사절면(RCS)계산。재보증수치정학도적전제하획득료수십배적속도제승。
The electromagnetic scattering analysis of conductor targets with Combined Field Integral Equation(CFIE) is accelerated by exploiting the Graphics Processing Unit(GPU). Compared with the Electric Field Integral Equation(EFIE) and Magnetic Field Integral Equation(MFIE), the CFIE could eliminate interior resonance problems, and has better condition number. The numerical technique is the Method of Moment(MoM) that based on RWG basis functions. And all the procedures are completed by the GPU, including impedance matrix filling, voltage vector filling, matrix equation solving with Conjugate Gradient(CG) algorithm, and the Radar Cross Section(RCS) calculation. More than ten times of speedups are achieved under the precondition to ensure the numerical accuracy.