Title :
Optimum digital recursive filters for step scan phased array radars
Author :
Al-Ahmad, Hussian ; Lockhart, Gordon B.
Author_Institution :
Dept. of Electr. Eng., Bradford Univ., UK
Abstract :
A design method for recursive filters with optimum clutter rejection is presented. The designed filters are suitable for MTI (moving target indication) systems in step scan phased array radars. The designed filters are optimized for a given clutter power spectrum and a finite number of samples without initialization. The performance of the designed filters was studied by considering their clutter rejection and pass-band characteristics. Finally, the superiority of these filters over conventional steady state filters was demonstrated
Keywords :
digital filters; optimisation; radar clutter; radar equipment; MTI; clutter power spectrum; design method; digital recursive filters; moving target indication; optimum clutter rejection; pass-band characteristics; step scan phased array radars; Band pass filters; Clutter; Design methodology; Design optimization; Digital filters; Frequency; IIR filters; Phased arrays; Radar; Steady-state;
Conference_Titel :
Circuits and Systems, 1991., IEEE International Sympoisum on
Print_ISBN :
0-7803-0050-5
DOI :
10.1109/ISCAS.1991.176368
