[天线]A fast physical optics (FPO) algorithm for high frequency scattering

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 52, NO. 1, JANUARY 2004 197 v88v
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A Fast Physical Optics (FPO) Algorithm for #mxOwvJ  
High Frequency Scattering &Mh.PzO=b  
Amir Boag, Senior Member, IEEE SSK}'LQ  
Abstract—A novel algorithm referred as the fast physical optics ' \JE>#  
(FPO) for computing the back-scattered field over a range of aspect 2qMiX|Y  
angles and frequencies is presented. The computation is performed xc^@"  
in the framework of the conventional physical optics approximation bLqy7S9x  
appropriate for the high frequency scattering regime. The proposed mH o#"tc  
algorithm is, also, directly applicable to fixed angle bistatic p|>*M\LE#  
configurations and a variety of single scattering formulations. The GkGiQf4hh  
method comprises two steps. First, a decomposition of the scatterer }:Z
.g  
into subdomains and computation of the pertinent scattering |z
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characteristics of each subdomain. Second, interpolation, phasecorrection 0w?da~  
and aggregation of the scattering patterns of the S{c/3k~  
subdomains into the final pattern of the whole body. A multilevel (q)}`1d'  
algorithm is formulated via a recursive application of the domain /cjz=r1U>  
decomposition and aggregation steps. The computational structure CM6% g f3  
of the multilevel algorithm resembles that of the FFT. The proposed l|CM/(99-  
method is especially .. *PJH&
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好东西啊！！！ 真是牛人！！！

好东西啊，真是太感谢楼主了。