Title :
MUSIC algorithm in a scattering environment
Author :
Haber, F. ; Zhou, C.
Author_Institution :
Moore Sch. of Electr. Eng., Univ. of Pennsylvania, PA, USA
Abstract :
A method of spatial filtering is proposed as a preprocessor to restore the high-resolution performance of the MUSIC algorithm when used with a linear array for angle of arrival estimation in a scattering environment. The method is based on the assumption that plane-wave arrivals and their scatterings are well separated in spatial frequency (in angle). Simulation results are shown for the case of scattering from an infinite circular cylinder, using discrete prolate spheroidal sequences as the optimum bandpass preprocessing filters, and a uniformly spaced linear array.<>
Keywords :
antenna arrays; electromagnetic wave scattering; filtering and prediction theory; signal processing; MUSIC algorithm; angle of arrival estimation; antenna arrays; discrete prolate spheroidal sequences; high-resolution performance; infinite circular cylinder; linear array; optimum bandpass preprocessing filters; preprocessor; scattering environment; simulation results; spatial filtering; Band pass filters; Engine cylinders; Filtering; Fourier transforms; Frequency domain analysis; Multiple signal classification; Narrowband; Nonlinear filters; Scattering; Spatial resolution;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1988. AP-S. Digest
Conference_Location :
Syracuse, NY, USA
DOI :
10.1109/APS.1988.94361
