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1. (WO2017145588) RADAR DEVICE AND RADAR IMAGE GENERATING METHOD
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Pub. No.: WO/2017/145588 International Application No.: PCT/JP2017/001684
Publication Date: 31.08.2017 International Filing Date: 19.01.2017
IPC:
G01S 7/14 (2006.01) ,G01S 13/30 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7
Details of systems according to groups G01S13/, G01S15/, G01S17/127
02
of systems according to group G01S13/58
04
Display arrangements
06
Cathode-ray tube displays
10
Providing two-dimensional co-ordinated display of distance and direction
12
Plan-position indicators, i.e. P. P. I.
14
Sector, off-centre, or expanded- angle display
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06
Systems determining position data of a target
08
Systems for measuring distance only
10
using transmission of interrupted pulse modulated waves
30
using more than one pulse per radar period
Applicants:
古野電気株式会社 FURUNO ELECTRIC CO., LTD. [JP/JP]; 兵庫県西宮市芦原町9番52号 9-52, Ashihara-Cho, Nishinomiya-City, Hyogo 6628580, JP
Inventors:
小嶋 達也 KOJIMA, Tatsuya; JP
Priority Data:
2016-03496726.02.2016JP
Title (EN) RADAR DEVICE AND RADAR IMAGE GENERATING METHOD
(FR) DISPOSITIF RADAR ET PROCÉDÉ DE GÉNÉRATION D'IMAGE RADAR
(JA) レーダ装置及びレーダ映像生成方法
Abstract:
(EN) [Problem] To provide a radar device which is capable of confirming in detail objects a short distance away, while limiting the coarseness of radar images for confirming objects a long distance away. [Solution] This radar device is provided with an angle range setting unit, a transmitting unit, a receiving unit and a radar image generating unit. The angle range setting unit sets at least one angle range that is not omnidirectional. The transmitting unit transmits a first transmission signal having a first pulse width, and transmits a second transmission signal which has a second pulse width that is shorter than the first pulse width, within the angle range set by the angle range setting unit. The receiving unit receives, as received signals, signals comprising the first transmission signal and the second transmission signal that were transmitted by the transmitting unit and have been reflected by an object. The radar image generating unit generates a first radar image on the basis of the received signal originating from the first transmission signal, and also generates a second radar image having the set angle range, on the basis of the received signal originating from the second transmission signal.
(FR) L'invention a pour but de fournir un dispositif radar qui puisse confirmer en détail des objets à faible distance, tout en limitant le caractère grossier d'images radar pour confirmer des objets à grande distance. Pour atteindre ce but, l'invention concerne un dispositif radar qui comprend une unité de réglage de plage d'angle, une unité d'émission, une unité de réception et une unité de génération d'image radar. L'unité de réglage de plage d'angle établit au moins une plage d'angle qui n'est pas omnidirectionnelle. L'unité d'émission émet un premier signal d'émission ayant une première largeur d'impulsion et émet un second signal d'émission ayant une seconde largeur d'impulsion, qui est inférieure à la première largeur d'impulsion, dans la plage d'angle établie par l'unité de réglage de plage d'angle. L'unité de réception reçoit, en tant que signaux reçus, des signaux comprenant le premier signal d'émission et le second signal d'émission qui ont été émis par l'unité d'émission et qui ont été réfléchis par un objet. L'unité de génération d'image radar génère une première image radar sur la base du signal reçu, provenant du premier signal d'émission, et génère également une seconde image radar ayant la plage d'angle établie, sur la base du signal reçu provenant du second signal d'émission.
(JA) 【課題】遠距離の物標を確認するためのレーダ映像の粗さを抑えつつ、近距離の物標を詳細に確認可能なレーダ装置を提供する。 【解 決手段】レーダ装置は、角度範囲設定部と、送信部と、受信部と、レーダ映像生成部と、を備える。角度範囲設定部は、全方位でない角度範囲を少なくとも1つ 設定する。送信部は、第1パルス幅の第1送信信号を送信するとともに、角度範囲設定部が設定した角度範囲では、第1パルス幅よりもパルス幅が短い第2パル ス幅の第2送信信号を送信する。受信部は、送信部が送信した第1送信信号及び第2送信信号が物標で反射した信号を受信信号として受信する。レーダ映像生成 部は、第1送信信号の受信信号に基づいて第1レーダ映像を生成するとともに、第2送信信号の受信信号に基づいて、角度範囲の第2レーダ映像を生成する。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)