| 基于带通采样的椭圆球面波函数数值解法 |
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| 引用本文： | 舒根春,王红星,赵志勇,刘锡国. 基于带通采样的椭圆球面波函数数值解法[J]. 电路与系统学报, 2011, 0(5): 132-136 |
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| 作者姓名： | 舒根春 王红星 赵志勇 刘锡国 |
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| 作者单位： | 海军航空工程学院电子信息工程系; |
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| 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...
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| 关 键 词： | 无线通信 数值解法 带通采样 椭圆球面波函数 |
Numerical solution of prolate spheroidal wave functions based on bandpass sampling |
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| SHU Gen-chun,WANG Hong-xing,ZHAO Zhi-yong,LIU Xi-guo. Numerical solution of prolate spheroidal wave functions based on bandpass sampling[J]. Journal of Circuits and Systems, 2011, 0(5): 132-136 |
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| Authors: | SHU Gen-chun WANG Hong-xing ZHAO Zhi-yong LIU Xi-guo |
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| Affiliation: | SHU Gen-chun,WANG Hong-xing,ZHAO Zhi-yong,LIU Xi-guo(Department of Electronic and Information Engineering,Naval Aeronautical and Astronautical University,Yantai 264001,China) |
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| Abstract: | Original numerical solution has the following disadvantages:heavy calculation burden and long computing time,a new numerical solution based on bandpass sampling is proposed.The new solution specifies sampling frequency according to bandpass sampling theorem,achieves bandpass sampling value of prolate spheroidal wave functions with original numerical solution,and achieves approximate value by conducting upsampling,digits filtering and Gram-Schmidt's orthogonalization for bandpass sampling value.Theoretical a... |
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| Keywords: | wireless communication numerical solution bandpass sampling prolate spheroidal wave functions |
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