JP2023023372A5 - - Google Patents
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- JP2023023372A5 JP2023023372A5 JP2021128838A JP2021128838A JP2023023372A5 JP 2023023372 A5 JP2023023372 A5 JP 2023023372A5 JP 2021128838 A JP2021128838 A JP 2021128838A JP 2021128838 A JP2021128838 A JP 2021128838A JP 2023023372 A5 JP2023023372 A5 JP 2023023372A5
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- 238000001514 detection method Methods 0.000 claims description 19
- 238000009795 derivation Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 description 1
Description
本開示の一形態によれば、位置情報導出システムが提供される。この位置情報導出システムは、方位角用アンテナ（１１）および仰角用アンテナ（１２，５６，６２，６３，６４，７０）を有し、検知対象物へ電波を照射し、前記検知対象物からの反射波を受信するアンテナ装置（１，２，３，４，５，６，７，８，９，１０）と、前記方位角用アンテナにより検知された反射波に基づいて、前記アンテナ装置から前記検知対象物までの距離と前記検知対象物の方位角とを取得する方位角情報取得部（１６）と、前記仰角用アンテナにより検知された反射波に基づいて、前記アンテナ装置から前記検知対象物までの距離と前記検知対象物の仰角とを取得する仰角情報取得部（１７）と、前記方位角情報取得部により得られた距離と、前記仰角情報取得部により得られた距離との距離比較を実行し、同一の値をとる前記検知対象物を同一検知物と判定する判定部（１８）と、前記同一検知物の方位角、仰角、および距離から、前記同一検知物の位置に関連する位置関連情報を導出する導出部（１９）と、を備え、前記アンテナ装置は、前記方位角用アンテナおよび前記仰角用アンテナを、同一の回転軸（３５）まわりに方位角方向に回転可能とする方位角用回転機構部（１３）を有し、前記仰角用アンテナは、回転不能に固定された反射器（５８）と、前記反射器に対して相対的に移動可能な可動式の放射器（５７，６５）とを有し、前記仰角用アンテナは、前記回転軸まわりに方位角方向に回転する際に、前記反射器に対して距離を変えながら移動する前記放射器により放射角度を変えて電波を放射することで前記検知対象物の仰角を検知するものである。 According to one aspect of the present disclosure, a location information derivation system is provided. This position information derivation system has an azimuth angle antenna (11) and elevation angle antennas (12, 56, 62, 63, 64, 70), irradiates a detection target with radio waves, and emits radio waves from the detection target. Based on the reflected wave detected by the antenna device (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) for receiving the reflected wave, and the antenna for azimuth, the an azimuth angle information acquisition unit (16) for acquiring a distance to a detection object and an azimuth angle of the detection object; and a distance comparison between the distance obtained by the azimuth information acquisition unit and the distance obtained by the elevation information acquisition unit. and a judgment unit (18) for judging the detection objects having the same value as the same detection object, and from the azimuth angle, elevation angle, and distance of the same detection object, a derivation unit (19) for deriving position-related information, wherein the antenna device enables the azimuth antenna and the elevation antenna to rotate in the azimuth direction around the same rotation axis (35). Having an azimuth rotation mechanism (13), the elevation antenna comprises a non-rotatably fixed reflector (58) and a movable radiator (58) relatively movable with respect to the reflector ( 57, 65), and the elevation antenna changes the radiation angle by the radiator moving while changing the distance with respect to the reflector when rotating in the azimuth direction about the rotation axis. The elevation angle of the object to be detected is detected by emitting radio waves.
Claims (11)
前記方位角用アンテナにより検知された反射波に基づいて、前記アンテナ装置から前記検知対象物までの距離と前記検知対象物の方位角とを取得する方位角情報取得部（１６）と、
前記仰角用アンテナにより検知された反射波に基づいて、前記アンテナ装置から前記検知対象物までの距離と前記検知対象物の仰角とを取得する仰角情報取得部（１７）と、
前記方位角情報取得部により得られた距離と、前記仰角情報取得部により得られた距離との距離比較を実行し、同一の値をとる前記検知対象物を同一検知物と判定する判定部（１８）と、
前記同一検知物の方位角、仰角、および距離から、前記同一検知物の位置に関連する位置関連情報を導出する導出部（１９）と、
を備え、
前記アンテナ装置は、前記方位角用アンテナおよび前記仰角用アンテナを、同一の回転軸（３５）まわりに方位角方向に回転可能とする方位角用回転機構部（１３）を有し、
前記仰角用アンテナは、回転不能に固定された反射器（５８）と、前記反射器に対して相対的に移動可能な可動式の放射器（５７，６５）とを有し、
前記仰角用アンテナは、前記回転軸まわりに方位角方向に回転する際に、前記反射器に対して距離を変えながら移動する前記放射器により放射角度を変えて電波を放射することで前記検知対象物の仰角を検知するものである、位置情報導出システム。 An antenna device having an azimuth angle antenna (11) and an elevation angle antenna (12, 56, 62, 63, 64, 70), radiating radio waves to a detection target and receiving a reflected wave from the detection target. (1,2,3,4,5,6,7,8,9,10) and
an azimuth angle information acquisition unit (16) for acquiring the distance from the antenna device to the detection target and the azimuth angle of the detection target based on the reflected wave detected by the azimuth angle antenna;
an elevation angle information acquisition unit (17) for acquiring the distance from the antenna device to the detection target and the elevation angle of the detection target based on the reflected wave detected by the elevation angle antenna;
A determination unit ( 18) and
a deriving unit (19) for deriving position-related information related to the position of the same detected object from the azimuth angle, elevation angle, and distance of the same detected object;
with
The antenna device has an azimuth angle rotation mechanism (13) that allows the azimuth angle antenna and the elevation angle antenna to rotate in the azimuth direction around the same rotation axis (35),
the elevation antenna has a non-rotatably fixed reflector (58) and movable radiators (57, 65) movable relative to the reflector;
When the elevation angle antenna rotates in the azimuth direction around the rotation axis, the radiator moves while changing the distance with respect to the reflector. A position information derivation system that detects the elevation angle of an object .
前記仰角情報取得部は、前記仰角用アンテナにより検知された反射波に基づいて算出される前記検知対象物の速度を取得し、
前記判定部は、前記距離比較に加えてさらに、前記方位角情報取得部により得られた速度と前記仰角情報取得部により得られた速度との速度比較を実行し、前記距離比較と前記速度比較とのいずれにおいても互いに同一の値をとる前記検知対象物を前記同一検知物と判定する請求項１または請求項２に記載の位置情報導出システム。 The azimuth angle information acquisition unit acquires the velocity of the detection target calculated based on the reflected wave detected by the azimuth angle antenna,
The elevation angle information acquisition unit acquires the velocity of the detection target calculated based on the reflected wave detected by the elevation angle antenna,
In addition to the distance comparison, the determination unit compares the speed obtained by the azimuth angle information acquisition unit and the speed obtained by the elevation angle information acquisition unit. 3. The positional information deriving system according to claim 1, wherein the detection objects that take the same value in both of and are determined to be the same detection object.
前記仰角用アンテナを、仰角方向に回転可能とする仰角用回転機構部（１４）と、
前記方位角用アンテナおよび前記仰角用アンテナを、同一の回転軸（３５）まわりに方位角方向に回転可能とする方位角用回転機構部（１３）を有する請求項１～請求項４のうちいずれか一項に記載の位置情報導出システム。 The antenna device is
an elevation rotation mechanism (14) for rotating the elevation angle antenna in the elevation direction;
An azimuth rotation mechanism (13) for rotating the azimuth angle antenna and the elevation angle antenna in the azimuth direction about the same rotation axis (35). 1. The location information derivation system according to 1.
前記仰角用アンテナは、前記方位角用アンテナが方位角方向に３６０°検知する間に、前記回数値Ｔ以上の回数で仰角方向に電磁波を走査する請求項５に記載の位置情報導出システム。 Assuming that the angle in the azimuth direction that can be detected by the elevation antenna at one time is a detection angle R°, and the value obtained by dividing 360° by the detection angle R° is the number of times T,
6. The position information deriving system according to claim 5, wherein the elevation angle antenna scans electromagnetic waves in the elevation angle direction a number of times equal to or greater than the number of times T while the azimuth angle antenna detects 360 degrees in the azimuth angle direction.
前記放射器は前記レンズの内側に設けられ、
前記放射器から放射される電波は前記レンズを通ることで収束される請求項１から請求項７のうちいずれか一項に記載の位置情報導出システム。 the reflector of the elevation antenna is a fixed hemispherical lens (71),
the radiator is provided inside the lens,
8. The position information deriving system according to any one of claims 1 to 7, wherein radio waves emitted from said radiator are converged by passing through said lens.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021128838A JP7445628B2 (en) | 2021-08-05 | 2021-08-05 | Location information derivation system |
| PCT/JP2022/028691 WO2023013462A1 (en) | 2021-08-05 | 2022-07-26 | Position information deriving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021128838A JP7445628B2 (en) | 2021-08-05 | 2021-08-05 | Location information derivation system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023023372A JP2023023372A (en) | 2023-02-16 |
| JP2023023372A5 true JP2023023372A5 (en) | 2023-06-23 |
| JP7445628B2 JP7445628B2 (en) | 2024-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021128838A Active JP7445628B2 (en) | 2021-08-05 | 2021-08-05 | Location information derivation system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7445628B2 (en) |
| WO (1) | WO2023013462A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3007151A (en) | 1956-02-06 | 1961-10-31 | Addison D Cole | Radar aircraft guidance system |
| JP3512066B2 (en) | 1998-12-10 | 2004-03-29 | トヨタ自動車株式会社 | Automotive radar equipment |
| US7671785B1 (en) | 2005-12-15 | 2010-03-02 | Baron Services, Inc. | Dual mode weather and air surveillance radar system |
| CA3079864C (en) | 2011-09-09 | 2022-06-21 | Accipiter Radar Technologies, Inc. | Device and method for 3d sampling with avian radar |
| US10317519B2 (en) | 2016-04-15 | 2019-06-11 | Huawei Technologies Co., Ltd. | Systems and methods for environment sensing using radar |
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2021
- 2021-08-05 JP JP2021128838A patent/JP7445628B2/en active Active
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- 2022-07-26 WO PCT/JP2022/028691 patent/WO2023013462A1/en unknown
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