EP3227961A1 - Radarantenne und geeignetes verfahren zum beeinflussen der abstrahlcharakteristik einer radarantenne - Google Patents
Radarantenne und geeignetes verfahren zum beeinflussen der abstrahlcharakteristik einer radarantenneInfo
- Publication number
- EP3227961A1 EP3227961A1 EP15820821.5A EP15820821A EP3227961A1 EP 3227961 A1 EP3227961 A1 EP 3227961A1 EP 15820821 A EP15820821 A EP 15820821A EP 3227961 A1 EP3227961 A1 EP 3227961A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radar antenna
- antenna
- parasitic elements
- radar
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 7
- 230000003071 parasitic effect Effects 0.000 claims abstract description 51
- 238000005516 engineering process Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000001902 propagating effect Effects 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/148—Reflecting surfaces; Equivalent structures with means for varying the reflecting properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/005—Patch antenna using one or more coplanar parasitic elements
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
- H01Q21/061—Two dimensional planar arrays
Definitions
- the present invention relates to a radar antenna and to a suitable method for influencing the emission characteristic of a radar antenna.
- the radiation characteristic of a radar antenna is basically spherical, should not separate directional elements influence the emission characteristics.
- the Abstrahl characteristic also occurs when used straightening elements, primarily spherical, the illumination is possibly insufficient in peripheral areas.
- the radiation characteristic of the antenna by the spatial arrangement of the parasitic elements to the antenna and phase angle radiated energies of the antenna and the parasitic elements made dependent on the parasitic elements an improved radiation characteristic can be brought about, in particular in inaccessible edge regions a signal effect produce.
- the parasitic elements With the arrangement of the parasitic elements, on the one hand, a widening, but also a focussing of the radiation characteristic of the radar antenna can result, primarily in azimuth.
- the improved emission characteristic is advantageously also implemented in microstrip line technology, even if one or several antenna lines are used.
- the parasitic elements change their emission characteristic by mutual coupling with one another and / or by mutual coupling with the antenna to be influenced. In this way, simply the desired radiation characteristics can be brought about and be aligned depending on the application profile. If the parasitic elements are arranged parallel to the longitudinal axis of the radar antenna to be influenced, a more optimal emission characteristic is provided.
- the parasitic elements at the antenna base have a defined termination, a preferred influencing of the emission characteristic of the radar antenna is enabled and implemented.
- the radiation characteristic of the radar antennas can likewise be influenced by the use of the geometric design of the radome, and in particular a coupling, as described for example in claim 6, additionally brought about.
- the radiation characteristic of the radar antenna is thus influenced in addition to the parasitic elements via the radome or depending on the circumstances reaches the edge zone or edge areas.
- the radar antenna with parasitic elements in the frequency range between 1 MHz and 200 GHz, is preferably applied in the frequency range between 20 GHz and 100 GHz. This frequency range is effectively implemented in particular in interaction with the microstrip line. A particularly noteworthy use of the antenna with parasitic elements is in the frequency range between 70 and 80 GHz. It has also proven to be advantageous if the antenna is used from transmitter or receiver or combined transceiver radar antenna. With the radar system according to the application it has been found that the use in determining the position / or velocity of objects influencing and aligning the emission characteristic is an advantageous field of application.
- Fig. 1 shows an according to the application radar antenna system in
- Fig. 2 shows an according to the application radar antenna system with multiple antenna lines in microstrip line technology.
- Fig. 3 shows the emission characteristic according to the application
- Fig. 4 shows energy distribution within the application according to the application
- FIG. 1 shows the antenna line to be influenced in microstrip technology, which preferably has parallel parasitic elements 2, which are likewise shown as antenna lines in microstrip technology.
- a further advantageous embodiment consists in using a plurality of antenna lines to be influenced in microstrip line technology according to FIG. 2, which are influenced by parasitic elements 2, the parasitic elements 2 being an antenna line in microstrip technology are arranged in parallel. It should be emphasized at this point that, depending on the number of parasitic elements arranged in parallel, the emission characteristic can be influenced correspondingly for the radar antenna system according to the application.
- FIG. 3 shows the radar antenna system according to the application of FIG. 1 to what extent the emission characteristic of the influenced radar antenna 1 can bring about improved illumination, in particular in the edge zone region.
- FIG. 3 likewise shows the emission characteristic corresponding to the azimuth angle,, which reproduces an expanded emission characteristic with a corresponding antenna gain 3.
- FIG. 4 the qualitative description of the influence of the radiation characteristic is reproduced by the mutual coupling between a transmitting antenna and two parasitic elements corresponding to the representation of Figure 1.
- the signal source 0 propagates energy to the radar antenna acting as the transmitting antenna. From the transmitting antenna energy is then radiated into the room. Part of the energy hits the parasitic elements. From the parasitic elements, a part of the energy is reflected and blasted into the room. The radiated energy has a phase angle ⁇ .
- the parasitic elements receive energy radiated from the transmitting antenna to the parasitic antennas according to FIG. 14, the process is described in which the energy that is reflected by the parasitic elements 2 and radiated by the radar antenna in the room. The energy has the phase position ⁇ 2.
- the radiation characteristic of the transmitting antenna 1 is influenced by the radiated energy of the parasitic elements.
- the radiated energy of the transmitting antenna 1 is influenced by the radiated energy of the parasitic elements.
- the radiated energy of the transmitting antenna 1 is influenced by the radiated energy of the parasitic elements.
- the emission characteristic is widened or focused depends on the spatial arrangement of the respective transmit antennas or parasitic antennas and the corresponding phase position ⁇ , ⁇ 2, etc. In this way, in particular, a radar antenna system is provided, which can expand the emission characteristic as required and in particular can be advantageously used in the application of microstrip line technologies.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014118036.4A DE102014118036A1 (de) | 2014-12-05 | 2014-12-05 | Radarantenne und geeignetes Verfahren zum Beeinflussen der Abstrahlcharakteristik einer Radarantenne |
PCT/EP2015/078853 WO2016087676A1 (de) | 2014-12-05 | 2015-12-07 | Radarantenne und geeignetes verfahren zum beeinflussen der abstrahlcharakteristik einer radarantenne |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3227961A1 true EP3227961A1 (de) | 2017-10-11 |
Family
ID=55072605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15820821.5A Ceased EP3227961A1 (de) | 2014-12-05 | 2015-12-07 | Radarantenne und geeignetes verfahren zum beeinflussen der abstrahlcharakteristik einer radarantenne |
Country Status (7)
Country | Link |
---|---|
US (1) | US11245198B2 (de) |
EP (1) | EP3227961A1 (de) |
JP (1) | JP6600686B2 (de) |
KR (1) | KR102409534B1 (de) |
CN (1) | CN107278343B (de) |
DE (1) | DE102014118036A1 (de) |
WO (1) | WO2016087676A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM531066U (zh) * | 2016-05-10 | 2016-10-21 | 道安達股份有限公司 | 寬波束天線結構 |
EP3594713B1 (de) * | 2017-03-09 | 2022-04-06 | Furukawa Electric Co., Ltd. | Radarvorrichtung und verfahren zur erkennung der zielposition für eine radarvorrichtung |
CN110098468A (zh) * | 2019-04-09 | 2019-08-06 | 惠州市德赛西威智能交通技术研究院有限公司 | 一种三发四收宽波束天线 |
CN110265769A (zh) * | 2019-07-01 | 2019-09-20 | 赵平 | 一种去边缘效应的微带天线以及串馈微带天线阵 |
KR102186306B1 (ko) | 2019-10-25 | 2020-12-03 | 세종대학교산학협력단 | 안테나의 방사 패턴 분석 장치 및 방법 |
US11539139B1 (en) * | 2019-10-30 | 2022-12-27 | Ainstein Ai, Inc. | Wideband millimeter-wave microstrip antenna having impedance stabilizing elements and antenna array employing same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028739A1 (de) * | 2006-09-07 | 2008-03-13 | Robert Bosch Gmbh | Antennenanordnung mit parasitär angekoppelten antennenelementen |
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DE6902510U (de) | 1969-01-22 | 1969-05-29 | Karlheinz Ing Schulz | Heizkessel-rauchrohr-anschlusselement |
US5629713A (en) * | 1995-05-17 | 1997-05-13 | Allen Telecom Group, Inc. | Horizontally polarized antenna array having extended E-plane beam width and method for accomplishing beam width extension |
JP2806350B2 (ja) | 1996-03-14 | 1998-09-30 | 日本電気株式会社 | パッチ型アレイアンテナ装置 |
EP0891643B1 (de) * | 1996-04-03 | 2000-07-12 | Johan Granholm | Dualpolarisations-gruppenantenne mit sehr niedriger kreuzpolarisation und kleinen seitenkeulen |
JP2001522578A (ja) | 1998-02-27 | 2001-11-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | アンテナ利得ダイバーシチ |
US6317100B1 (en) * | 1999-07-12 | 2001-11-13 | Metawave Communications Corporation | Planar antenna array with parasitic elements providing multiple beams of varying widths |
JP2001111335A (ja) | 1999-10-08 | 2001-04-20 | Toyota Central Res & Dev Lab Inc | マイクロストリップアレーアンテナ |
KR20020061717A (ko) * | 2001-01-17 | 2002-07-25 | 정보통신연구진흥원 | 마이크로스트립 빔 성형 안테나 |
EP1304764B1 (de) | 2001-10-19 | 2008-02-27 | Bea S.A. | Ebene Antenne |
WO2006035881A1 (ja) * | 2004-09-30 | 2006-04-06 | Toto Ltd. | マイクロストリップアンテナ及びマイクロストリップアンテナを用いた高周波センサ |
JP2007325303A (ja) | 2004-09-30 | 2007-12-13 | Toto Ltd | 高周波センサ |
JP3962870B2 (ja) | 2004-09-30 | 2007-08-22 | Toto株式会社 | マイクロストリップアンテナ及びマイクロストリップアンテナを用いた高周波センサ |
JP4189970B2 (ja) | 2004-11-05 | 2008-12-03 | 株式会社日立製作所 | アンテナ装置 |
WO2008054803A2 (en) | 2006-11-02 | 2008-05-08 | Agc Automotive Americas R & D, Inc. | Antenna system having a steerable radiation pattern based on geographic location |
JP2009130451A (ja) | 2007-11-20 | 2009-06-11 | Samsung Electronics Co Ltd | アンテナ装置 |
JP2009200790A (ja) | 2008-02-21 | 2009-09-03 | Japan Aerospace Exploration Agency | ビーム走査型間引き給電アレーアンテナ |
JP2009246460A (ja) | 2008-03-28 | 2009-10-22 | Toyota Motor Corp | マイクロストリップアンテナ |
DE102008023030B4 (de) * | 2008-05-09 | 2016-11-17 | Innosent Gmbh | Radarantennenanordnung |
US8184064B2 (en) * | 2009-09-16 | 2012-05-22 | Ubiquiti Networks | Antenna system and method |
WO2011052238A1 (ja) | 2009-11-02 | 2011-05-05 | パナソニック株式会社 | アダプティブアレーアンテナ、およびアダプティブアレーアンテナを備えた無線装置 |
DE102010020022A1 (de) * | 2010-05-10 | 2011-11-10 | Valeo Schalter Und Sensoren Gmbh | Fahrerassistenzeinrichtung für ein Fahrzeug, Fahrzeug und Verfahren zum Betreiben eines Radargeräts |
DE102010041438A1 (de) * | 2010-09-27 | 2012-03-29 | Robert Bosch Gmbh | Antennensystem für Radarsensoren |
DE102012003877A1 (de) * | 2011-10-15 | 2013-04-18 | S.M.S Smart Microwave Sensors Gmbh | Radarsystem für ein Straßenfahrzeug mit verbesserten Kalibriermöglichkeiten |
CN202276339U (zh) * | 2011-10-18 | 2012-06-13 | 中兴通讯股份有限公司 | 无线终端 |
JP5554352B2 (ja) | 2012-02-16 | 2014-07-23 | 古河電気工業株式会社 | 広角アンテナ及びアレーアンテナ |
US9755311B2 (en) * | 2012-05-29 | 2017-09-05 | Samsung Electronics Co., Ltd. | Circularly polarized patch antennas, antenna arrays, and devices including such antennas and arrays |
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-
2014
- 2014-12-05 DE DE102014118036.4A patent/DE102014118036A1/de not_active Withdrawn
-
2015
- 2015-12-07 KR KR1020177015825A patent/KR102409534B1/ko active IP Right Grant
- 2015-12-07 WO PCT/EP2015/078853 patent/WO2016087676A1/de active Application Filing
- 2015-12-07 CN CN201580066071.4A patent/CN107278343B/zh active Active
- 2015-12-07 EP EP15820821.5A patent/EP3227961A1/de not_active Ceased
- 2015-12-07 JP JP2017528474A patent/JP6600686B2/ja active Active
- 2015-12-07 US US15/532,261 patent/US11245198B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008028739A1 (de) * | 2006-09-07 | 2008-03-13 | Robert Bosch Gmbh | Antennenanordnung mit parasitär angekoppelten antennenelementen |
Non-Patent Citations (2)
Title |
---|
LEE R Q ET AL: "RADIATION CHARACTERISTICS OF MICROSTRIP ARRAYS WITH PARASITIC ELEMENTS", ELECTRONICS LETTERS,, vol. 23, no. 16, 30 July 1987 (1987-07-30), pages 835 - 837, XP001383762 * |
See also references of WO2016087676A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20170086551A (ko) | 2017-07-26 |
JP6600686B2 (ja) | 2019-10-30 |
US20170346192A1 (en) | 2017-11-30 |
KR102409534B1 (ko) | 2022-06-15 |
US11245198B2 (en) | 2022-02-08 |
CN107278343B (zh) | 2023-04-28 |
JP2018504010A (ja) | 2018-02-08 |
DE102014118036A1 (de) | 2016-06-23 |
CN107278343A (zh) | 2017-10-20 |
WO2016087676A1 (de) | 2016-06-09 |
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