期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 69, 期 8, 页码 4827-4835出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2021.3060101
关键词
Noise measurement; Three-dimensional displays; Two dimensional displays; Antenna measurements; Scattering; Testing; Surface waves; Antenna measurements; electromagnetic measurements; electromagnetic reflection; radar cross sections
The plane-wave synthesis (PWS) methods are proposed for accurate prediction of radar cross section (RCS), with single-level or multilevel implementations available for different incident directions. Additionally, a single-cut variation method based on 2D is presented for 2D RCS prediction.
The plane-wave synthesis (PWS) methods are proposed to predict the 3-D and 2-D RCS accurately with multiple scattering effects. The 3-D method employs the propagating plane-wave expansion and can be implemented identically as the near-field far-field transformation (NFFFT). Either the single-level or multilevel implementation can be applied, and in the single-level implementation, a single pseudo-inverse matrix can be used to synthesize plane waves propagating various incident directions. In addition to the 3-D formulation, the single-cut variation of the method (SC-PWS) is also presented for the 2-D RCS prediction. This method is based on the 2-D propagating plane-wave expansion and formulated employing the approximations on the 3-D Green's function. The numerical and experimental results are presented for the PWS and the SC-PWS.
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