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Design of a Novel Ultrawideband Digital Receiver for Pulse Ground-Penetrating Radar
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DOI：10.1109/LGRS.2010.2098844.png)
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Abstract
En 中文
A new ultrawideband-digital-sampling technology is presented. This novel sampling technology is the first to employ both the successive-approximation-register technology and the equivalent-time-sampling technology to improve the bandwidth of the receiver. Accordingly, a new low-cost and compact ultrawideband digital receiver for pulse ground-penetrating radar is designed. The merit of this receiver is that it can convert radio-frequency signal to digital signal without any analog sampling gate or analog-to-digital converter. The equivalent sampling rate of the receiver is up to 33 GHz. The measurements show that this receiver has more than 3-GHz bandwidth and nearly 100% conversion efficiency.
Keywords:
Ground-penetrating radar (GPR)
successive approximation register (SAR)
ultrafast comparator
ultrawideband (UWB)
ultrawideband (UWB) digital receiver
Journal
IF:
16.4
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1.0W
Citations:
5.1K