Title :
Digital implementation issues in a pulse compression radar system
Author :
To, Stephen ; Siahamis, Bill ; Sciacca, Len
Author_Institution :
Weapons Syst. Div., Defence Sci. & Technol. Organ., Salisbury, SA, Australia
Abstract :
Digital implementations of pulse compression (matched) filters is becoming more common in radar systems, facilitated by cheaper, faster, and more powerful digital signal processing hardware. Pulse compression filters are limited in performance by the sidelobes that appear in the filter output in addition to the desired peak. With different waveform and filter combinations, sidelobes are decreased but often at the price of reduced processing gain, which affects the performance of detecting small radar-cross section objects. This paper examines factors affecting performance when such filters are implemented in a practical system using field programmable gate arrays
Keywords :
FIR filters; digital filters; digital signal processing chips; field programmable gate arrays; filtering theory; matched filters; pulse compression; radar cross-sections; radar detection; radar equipment; radar imaging; radar resolution; FIR filter; digital implementation; digital signal processing hardware; field programmable gate arrays; filter output; matched filters; performance; pulse compression filters; pulse compression radar system; radar imaging systems; radar-cross section; reduced processing gain; sidelobes; small RCS objects detection; waveform; Digital filters; Digital signal processing; Field programmable gate arrays; Hardware; Matched filters; Object detection; Performance gain; Pulse compression methods; Radar detection; Radar signal processing;
Conference_Titel :
Information, Decision and Control, 1999. IDC 99. Proceedings. 1999
Conference_Location :
Adelaide, SA
Print_ISBN :
0-7803-5256-4
DOI :
10.1109/IDC.1999.754149
