Title :
A new frequency domain CFAR algorithm in radar reconnaissance receiver
Author :
Yuedong, Luo ; He, Chen ; Junshan, Li
Author_Institution :
Dept. of Electron. Eng., Beijing Inst. of Technol., Beijing
Abstract :
In view of the requirement of automatic CFAR (Constant False Alarm Rate) detection of pulse radar signal (indicate that the radar signal modulated by periodic rectangular pulses) in the design of radar reconnaissance receiver, a pulse radar signalpsilas DFT (Discrete Fourier Transform) spectrum detection algorithm with the function of CFAR is presented. By researching the threshold generating algorithm of pulse radar signalspsila spectrum detection under clutter background, the paper presents a threshold generating algorithm based on the structure of CMLD (Censored Mean Level Detector) CFAR detector, and illuminates the detection probability and false alarm rate of the algorithm under the nominal factor T in detail. At last, confirms the validity of the algorithm.
Keywords :
discrete Fourier transforms; frequency-domain analysis; radar clutter; radar receivers; radar signal processing; signal detection; censored mean level detector; clutter background; constant false alarm rate detection; discrete Fourier transforms; pulse radar signal detection; radar reconnaissance receiver; Algorithm design and analysis; Detectors; Discrete Fourier transforms; Frequency domain analysis; Pulse generation; Pulse modulation; Radar detection; Reconnaissance; Signal design; Signal generators;
Conference_Titel :
Signal Processing, 2008. ICSP 2008. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2178-7
Electronic_ISBN :
978-1-4244-2179-4
DOI :
10.1109/ICOSP.2008.4697630
