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Title:
CLUTTER REMOVAL DEVICE AND CLUTTER REMOVAL PROGRAM
Document Type and Number:
Japanese Patent JP2019052937
Kind Code:
A
Abstract:
To extract reception intensity by a target by removing background reflection and reception intensity by a clutter in almost the same way in all directions seen from a radar device even if the radar device is inclined to the sea level and/or ground.SOLUTION: A clutter removal device 2 of the present disclosure includes: an inclination information acquisition unit 21 for acquiring inclination information on inclination angles of transmission and reception antennas 12, 13 to the sea level and/or ground; and a reception intensity attenuation unit 23 that, in the case of more attenuating reception intensity by a reflection object nearer in distance from a radar transmission/reception device 1, increases an amount of attenuation of reception intensity as the orientation direction of transmission and reception beams is more directed to a sea level and/or ground on the basis of the inclination information whereas decreases the amount of attenuation of reception intensity as the orientation direction of the transmission and reception beams is more away from the sea level and/or ground.SELECTED DRAWING: Figure 3

Inventors:
TAMURA HIDEKI
Application Number:
JP2017177141A
Publication Date:
April 04, 2019
Filing Date:
September 14, 2017
Export Citation:
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Assignee:
JAPAN RADIO CO LTD
International Classes:
G01S7/34
Domestic Patent References:
JP2012108075A2012-06-07
JP2007155728A2007-06-21
JPH0755925A1995-03-03
JP2006275899A2006-10-12
JP2000346936A2000-12-15
JPH06214007A1994-08-05
JP2003107147A2003-04-09
Foreign References:
US5311184A1994-05-10
Attorney, Agent or Firm:
Kenji Okada
Katsuhiro Imashita