JP5496538B2 - 超小型飛行機のためのアンテナシステム - Google Patents
超小型飛行機のためのアンテナシステム Download PDFInfo
- Publication number
- JP5496538B2 JP5496538B2 JP2009093134A JP2009093134A JP5496538B2 JP 5496538 B2 JP5496538 B2 JP 5496538B2 JP 2009093134 A JP2009093134 A JP 2009093134A JP 2009093134 A JP2009093134 A JP 2009093134A JP 5496538 B2 JP5496538 B2 JP 5496538B2
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- Prior art keywords
- antenna
- radiating elements
- signal
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—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
- G01S13/00—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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
- G01S13/935—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft for terrain-avoidance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—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
- G01S13/00—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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
Claims (3)
- 航空機のためのレーダ測距システムであって、
レーダ高度計であって、それが出力する信号の中心周波数を選択的に制御するように動作可能である、レーダ高度計と、
第1の端部、第2の端部、および前記第1の端部から前記第2の端部に延在した細長い部分を有したアンテナであって、前記細長い部分は、超小型飛行機の一部分のまわりに巻き付けられており、したがって前記第1の端部が前記第2の端部に近接して配置される、アンテナと、
前記アンテナに結合された複数の放射要素であって、前記放射要素は、少なくとも2つのグループの形で配列され、それぞれのグループは、前記アンテナの長さ方向に沿って配列されるときに隣接したグループから離隔される、複数の放射要素と、を含み
各グループは、平均高さが、他のグループの平均高さと異なり、
前記放射要素は、前記レーダ高度計と信号を交信し、前記中心周波数の変化に応答して、前記超小型飛行機に対して前記放射要素から放出される電波信号の前記超小型飛行機上の基準系に対する信号カバー領域を選択的に変化させる、レーダ測距システム。 - 航空機のためのレーダ測距システムであって、
レーダ高度計であって、それが出力する信号の中心周波数を選択的に制御するように動作可能である、レーダ高度計と、
第1の端部、第2の端部、および前記第1の端部から前記第2の端部に延在した細長い部分を有したアンテナであって、前記細長い部分は、超小型飛行機の一部分のまわりに巻き付けられており、したがって前記第1の端部が前記第2の端部に近接して配置される、アンテナと、
前記アンテナの長さ方向に沿って高さによって配列された複数の放射要素であって、前記放射要素は、前記レーダ高度計と信号を交信し、前記中心周波数の変化に応答して、放射要素の所望のグループを選択的に動作させ、それによって前記超小型飛行機の基準系に対する信号カバー領域を提供し、前記信号カバー領域は、前記中心周波数に対応した電波周波数で前記アンテナから放出される電波信号を含む、複数の放射要素と、を含む、レーダ測距システム。 - 超小型飛行機を動作させるための方法であって、
前記超小型飛行機の電波高度計が出力する電波信号のために、所望の周波数を選択するステップと、
前記所望の周波数を制御可能に変化させて、第1のグループの放射要素から第2のグループの放射要素に、放出される電波信号を移動させるステップと、
物体との前記超小型飛行機の近接を決定するために、前記放出される電波信号を用いて前記超小型飛行機に対する空間のセクターをカバーするステップと、を含む、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/099,559 | 2008-04-08 | ||
US12/099,559 US7701384B2 (en) | 2008-04-08 | 2008-04-08 | Antenna system for a micro air vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009282014A JP2009282014A (ja) | 2009-12-03 |
JP5496538B2 true JP5496538B2 (ja) | 2014-05-21 |
Family
ID=40849203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009093134A Expired - Fee Related JP5496538B2 (ja) | 2008-04-08 | 2009-04-07 | 超小型飛行機のためのアンテナシステム |
Country Status (3)
Country | Link |
---|---|
US (1) | US7701384B2 (ja) |
EP (1) | EP2109184B1 (ja) |
JP (1) | JP5496538B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101914179B1 (ko) * | 2016-09-07 | 2018-11-01 | 주식회사 웨이브쓰리디 | 무인비행체의 충전위치 탐지 장치 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US9071337B2 (en) | 2010-02-17 | 2015-06-30 | Saab Ab | Wideband transmitter/receiver arrangement for multifunctional radar and communication |
US8457179B2 (en) | 2010-09-13 | 2013-06-04 | Honeywell International Inc. | Devices, methods, and systems for building monitoring |
US8285305B2 (en) | 2010-09-13 | 2012-10-09 | Honeywell International Inc. | Notifying a user of an event |
KR101318882B1 (ko) * | 2013-03-15 | 2013-10-16 | 엘아이지넥스원 주식회사 | 다중 변조를 갖는 간섭계 레이더 고도계 및 다중 변조를 갖는 간섭계 레이더 고도계를 통한 다중 변조 방법 |
KR101403357B1 (ko) | 2013-04-10 | 2014-06-05 | 삼성탈레스 주식회사 | 고도 적응형 전파고도계를 이용하는 정밀지형 참조 항법장치 |
US9188657B2 (en) * | 2013-12-03 | 2015-11-17 | The Boeing Company | Systems and methods of transmitter location detection |
KR102172187B1 (ko) * | 2014-08-22 | 2020-10-30 | 주식회사 케이엠더블유 | 이동통신 서비스용 옴니 안테나 |
US10683086B2 (en) | 2015-03-19 | 2020-06-16 | Prodrone Co., Ltd. | Unmanned rotorcraft and method for measuring circumjacent object around rotorcraft |
CN106716285A (zh) | 2016-06-30 | 2017-05-24 | 深圳市大疆创新科技有限公司 | 农业无人机作业方法、系统及农业无人机 |
KR101877614B1 (ko) | 2016-07-06 | 2018-08-07 | 주식회사 한화 | 비행체의 탐색 시스템 및 탐색 방법 |
US10439293B2 (en) | 2017-03-20 | 2019-10-08 | Lockheed Martin Corporation | Antenna systems using aircraft propellers |
US11958603B1 (en) * | 2019-11-21 | 2024-04-16 | Snap Inc. | Antenna system for unmanned aerial vehicles with propellers |
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-
2008
- 2008-04-08 US US12/099,559 patent/US7701384B2/en active Active
-
2009
- 2009-03-24 EP EP09156031.8A patent/EP2109184B1/en not_active Expired - Fee Related
- 2009-04-07 JP JP2009093134A patent/JP5496538B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101914179B1 (ko) * | 2016-09-07 | 2018-11-01 | 주식회사 웨이브쓰리디 | 무인비행체의 충전위치 탐지 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2009282014A (ja) | 2009-12-03 |
EP2109184A1 (en) | 2009-10-14 |
EP2109184B1 (en) | 2014-12-17 |
US20090251359A1 (en) | 2009-10-08 |
US7701384B2 (en) | 2010-04-20 |
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