| This paper mainly studies the millimeter-wave detecting system for concrete runway, and has accomplished the system specimen based on the study results.Firstly, the article presents the theories of the detecting system, which runs alternately between active mode and passive mode. The merits of system in the active /passive mode are analyzed and assigned in details, and the merits of every part are also assigned in the paper.Secondly, All parts are designed, and the system specimen has been installed and debugged. The half-real simulating model has been built, and the capabilities of the specimen have also been tested indoors. Then, the actual concrete runway and lawn have been tested outdoors with this specimen, and the results are analyzed.Finally, to advance distinguish probability, this paper also studies the theories of simple multi-beam passive millimeter-wave imaging system.. |
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