Title :
Pulse versus stepped frequency continuous wave modulation for ground penetrating radar
Author :
Langman, A. ; Inggs, M.R.
Author_Institution :
Radar Remote Sensing Group, Cape Town Univ., Rondebosch, South Africa
Abstract :
There has often been debate concerning the relative merits of pulsed ("carrier-less") and stepped frequency continuous wave (SFCW) radars used in ground penetrating radar (GPR) applications. It is sometimes claimed that SFCW has poor time sidelobe performance. In this paper we tease out the definition of resolution and bandwidth, and show that both systems have equivalent resolution and time sidelobe performance if the spectral shapes are properly defined
Keywords :
CW radar; buried object detection; pulse modulation; radar detection; radar resolution; GPR; bandwidth; ground penetrating radar; pulse modulation; resolution; sidelobe performance; spectral shapes; stepped frequency continuous wave modulation; Bandwidth; Discrete Fourier transforms; Frequency modulation; Ground penetrating radar; Pulse modulation; Radar antennas; Radar remote sensing; Reflectivity; Spatial resolution; Spectral shape;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-7031-7
DOI :
10.1109/IGARSS.2001.976902
