Title:
地中レーダー装置及び地中レーダー装置の製造方法
Document Type and Number:
Japanese Patent JP7012521
Kind Code:
B2
Abstract:
To provide an underground radar apparatus capable of reducing unnecessary components such as side lobes and ringing quickly with a simple structure and a method for manufacturing the underground radar apparatus.SOLUTION: Formation of a compensation filter 18 based on a signal characteristic of a reference signal SS passing through a reference propagation path RP which is a known path from the transmission unit 20 side to the reception unit 30 side can reflect characteristics inherent in the apparatus in which the respective units are assembled. To quickly and surely remove unnecessary components such as side lobes and ringing included in an actual reception signal S2 received by a reception part 30 perform a signal compensation quickly and surely by preparing a compensation filter 18 having such characteristics in advance and using it in actual operation for searching.SELECTED DRAWING: Figure 1
Inventors:
Atsuo Chiga
Tomohisa Ogawa
Tomohisa Ogawa
Application Number:
JP2017230073A
Publication Date:
January 28, 2022
Filing Date:
November 30, 2017
Export Citation:
Assignee:
Nippon Signal Co., Ltd.
International Classes:
G01V3/12; G01S13/28; G01S13/88
Domestic Patent References:
| JP2016090297A | ||||
| JP8313647A | ||||
| JP63305275A | ||||
| JP4152286A | ||||
| JP63228092A | ||||
| JP2016090298A | ||||
| JP2010210394A | ||||
| JP2012154833A |
Foreign References:
| US6691039 | ||||
| US20150247923 | ||||
| US4698634 |
Attorney, Agent or Firm:
Fukuda Mitsuhiro
Kei Yamakawa
Kei Yamakawa
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