Title :
Synthesis of a polarization-controlled pattern for a wideband array by solving a second-order cone program
Author :
Coleman, Jeffrey O. ; Scholnik, Dan P. ; Cahill, Patrick E.
Author_Institution :
Radar Division, Naval Res. Lab., USA
Abstract :
Jointly optimizing complex baseband FIR filters as element weights using second-order cone programming (SOCP) can synthesize a wideband array pattern having an arbitrarily polarized main beam with, in terms of L1, L2, L∞, or other norms, its frequency response flattened and cross-polarization components strictly limited across the entire beam. Sidelobes and SNR measures can be just as flexibly controlled. A high-level interface to a fast solver minimizes the required programming.
Keywords :
FIR filters; antenna arrays; antenna radiation patterns; array signal processing; broadband antennas; electromagnetic wave polarisation; minimisation; complex baseband FIR filters; cross-polarization components; flat frequency response; minimization; optimization; polarization-controlled pattern; second-order cone programming; wideband array; Array signal processing; Finite impulse response filter; Frequency; Laboratories; Nonlinear filters; Polarization; Radar signal processing; Radar theory; Signal synthesis; Wideband;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
DOI :
10.1109/APS.2005.1552039