Automatic signal processing of front monitor radar for tunneling machines

It is planned to install a front monitor impulse radar on the surface of the rotating drill of tunneling machines in order to detect obstacles such as casing pipes of vertical borings. The conventional aperture synthesis technique can no more be applied to such cases because the radar image of a pip...

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Bibliographic Details
Published in:IEEE transactions on geoscience and remote sensing 1997-03, Vol.35 (2), p.354-359
Main Authors: Sato, T., Takeda, K., Nagamatsu, T., Wakayama, T., Kimura, I., Shinbo, T.
Format: Article
Language:English
Subjects:
Applied geophysics
Boring
Computerized monitoring
Condition monitoring
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
Internal geophysics
Numerical simulation
Radar detection
Radar imaging
Radar signal processing
Signal processing algorithms
Signal synthesis
Tunneling
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Summary:It is planned to install a front monitor impulse radar on the surface of the rotating drill of tunneling machines in order to detect obstacles such as casing pipes of vertical borings. The conventional aperture synthesis technique can no more be applied to such cases because the radar image of a pipe does not constitute a hyperbola as is the case for linear scanning radars. We have developed a special purpose signal processing algorithm with the aid of the discrete model fitting method, which can be used for any pattern of scanning. The details of the algorithm are presented together with the results of numerical simulations and test site experiments.
ISSN:0196-2892
1558-0644
DOI:10.1109/36.563274