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1、1007-0249(2011)05-0132-05基于带通采样的椭圆球面波函数数值解法舒根春王红星赵志勇刘锡国海军航空工程学院电子信息工程系,山东烟台264001摘要:针对椭圆球面波函数原数值解法存在计算量大、计算时间长的问题,提出了基于带通采样的新数值解法。新数值解法根据带通采样定理确定采样频率,利用原数值解法求得椭圆球面波函数带通采样值,对带通采样值进行上抽样、数字滤波和格拉姆-施密特正交化,求得椭圆球面波函数的近似数值解。理论分析和仿真结果表明,新数值解法能有效降低计算量、计算时间,而且采样点数量越大,效果越好。无线通信;数值解法;带通采样;椭圆球
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