Ultrawideband Gated Step Frequency Ground-Penetrating Radar

被引：40

作者：

Oyan, Mats Jorgen ^{[1
]}

Hamran, Svein-Erik ^{[1
]}

Hanssen, Leif ^{[1
]}

Berger, Tor ^{[1
]}

Plettemeier, Dirk ^{[2
]}

机构：

[1] Norwegian Def Res Estab, N-2027 Kjeller, Norway

[2] Tech Univ Dresden, D-01062 Dresden, Germany

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2012年 / 50卷 / 01期

关键词：

Frequency modulation; ground penetrating radar; spaceborne radar; ultrawideband radar; SAR;

D O I：

10.1109/TGRS.2011.2160069

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We describe a prototype ultrawideband radar. We show how the system was designed and how the hardware was developed for the radar prototype. Waveform generation, radar parameters, and signal processing for the stepped frequency waveform are discussed. The radar operates from 500 MHz to 3 GHz with a nominal resolution of 6 cm in air. The advantage of the stepped frequency approach over an impulse radar is better matching between the transmitted waveform and the receiver. We use range gating to improve the system dynamic range. The advantages are illustrated with laboratory measurements and field measurements from glacial ice and permafrost in Svalbard, showing penetration depths of 11 m. Antennas which do not require contact with the ground were developed and used in the experiments.

引用

页码：212 / 220

页数：9

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