Title :
A high-speed continuous wave GPR
Author :
Parrini, F. ; Pieraccini, M. ; Atzeni, C.
Author_Institution :
Dept. of Electronics and Telecommunications, University of Florence, Firenze, Italia
Abstract :
In this work an innovative high speed continuous wave stepped frequency GPR has been designed and implemented with the aim of overcoming the low speed issue of wide bandwidth CW-SF GPRs. It is based on a structure combining a Digital Direct Synthesizer (DDS), a Phase Lock Loop (PLL) and a quadrature modulator (I/Q Modulator). The radar is an L-S band GPR able to scan a 1 GHz bandwidth (1500-2500 MHz) with 200 steps in 10 ms.
Keywords :
Amplitude modulation; Bandwidth; Boolean functions; Data structures; Digital modulation; Frequency synthesizers; Ground penetrating radar; Phase locked loops; Phase modulation; Voltage-controlled oscillators; CW-SF GPR; DDS; High-speed; PLL; Quadrature modulator; SSB; UWB; YQ;
Conference_Titel :
Ground Penetrating Radar, 2004. GPR 2004. Proceedings of the Tenth International Conference on
Conference_Location :
Delft, The Netherlands
Print_ISBN :
90-9017959-3
