EP0933833B1 - Hohlleiterstrahler - Google Patents
Hohlleiterstrahler Download PDFInfo
- Publication number
- EP0933833B1 EP0933833B1 EP99100867A EP99100867A EP0933833B1 EP 0933833 B1 EP0933833 B1 EP 0933833B1 EP 99100867 A EP99100867 A EP 99100867A EP 99100867 A EP99100867 A EP 99100867A EP 0933833 B1 EP0933833 B1 EP 0933833B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waveguide
- waveguide radiator
- short
- radiator
- axial
- 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.)
- Expired - Lifetime
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/06—Waveguide mouths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
- H01P5/103—Hollow-waveguide/coaxial-line transitions
-
- 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
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- the innovation relates to a waveguide radiator consisting of a waveguide section with an aperture and a short-circuit wall and one coaxial feed and a transition from the coaxial feed to the waveguide radiator.
- Such a waveguide radiator has become known from DE 42 13 539 A1.
- This waveguide radiator has a straight waveguide section with a circular cross-section, one end of which is connected to a short-circuit plate is completed. The other end ends in a horn.
- An axially extending rod is arranged on the short-circuit plate, of a transition together with two orthogonal coupling pins from a coaxial lead to a waveguide.
- This type shows in addition to the coupling of the orthogonally fed waves the disadvantage that the feed takes up a significant amount of space has radial direction around the waveguide and that to form the radiation pattern a home heater is required.
- the particular advantage of the waveguide radiator is that the above-mentioned Disadvantages of the conventional designs are avoided and that the waveguide radiator in particular with a length of only a little more very little coupling than a quarter of the operating wavelength the orthogonal wave components and a broadband characteristic has and also an arrangement in a tightly packed Array allowed, the coupling by means of simple adaptation measures between neighboring radiators can be largely reduced can.
- FIG. 1 shows a waveguide radiator 1 which consists of a waveguide section 3 and a short circuit wall 2 and a circular Has aperture with the diameter of the waveguide section 3.
- the coaxial supply 4 opens under the short-circuit wall 2.
- the connection between the coaxial feed 4 and the waveguide section 3 takes place via an opening 5 in the short-circuit wall 2 through which a capacitive acting coaxial probe 6 is guided.
- This probe 6 is by means of Connection 7 connected to the center conductor 8 of the coaxial supply 4.
- the embodiment of the probe is detailed in DE 40 38 817 C1 described.
- the aperture end of the capacitive coaxial Probe 6 is on a shorting bar running parallel to the short circuit wall 2 10 attached.
- a further probe 9 Symmetrical to the main axis A of the waveguide radiator 1 is a further probe 9 with a similar outer shape, which is on the one hand firmly connected to the short-circuit wall 2 and the on the other hand is attached to the free end of the shorting bar 10.
- the probes 6 and 9 together with the shorting bar 10 form the Coupling system for a polarization direction of a fundamental wave in the waveguide radiator 1.
- 1 is in the waveguide radiator
- Another similar coupling system consisting of probes 12 and 13 and the shorting bar 11 orthogonal to the first coupling system 6, 9, 10 arranged.
- the feed from a separate coaxial feed is in not shown in the figures, but it corresponds to that already described Power for the first coupling system.
- the two shorting bars 10 and 11 cross each other in the area of the main axis A. led that no electrical contact is made. This can - how 1 - by means of a height offset of both shorting bars respectively.
- the length L o of the probes 6, 9, 12, 13 is approximately a quarter of the operating wavelength ⁇ .
- the shorting bars 10, 11 are in the state of idling due to the distance of ⁇ / 4 from the shorting wall 2.
- the length L o of the probes can optionally be changed, as can the diameter D of the probes and their distance S from one another. The transition designed as a balun is thus matched to the waveguide impedance.
- the TEM wave that is propagatable in the coaxial feed 4 is converted into the basic wave type of the waveguide 3.
- the wave types H 01 and H 10 ⁇ are created in the square waveguide and orthogonal H 11 wave types in the round waveguide.
- the microwaves are emitted via the aperture of the waveguide radiator 1.
- the aperture level is at a distance 1 from the shorting bars 10, 11 arranged away.
- By varying the length 1 in Range 0 ⁇ 1 ⁇ ⁇ becomes the secondary radiation contribution of the coupling device with a suitable amplitude and phase the radiation contribution superimposed on the waveguide aperture.
- the waveguide radiator is distinguished due to a very compact design in the radial direction to the main beam axis A off. This makes a particularly close arrangement of several neighboring ones Coupling devices, such as those in a waveguide array needed, possible.
- the dimensions of such a waveguide array lie in the area of the dimensions of a planar patch array which the waveguide array is characterized by better electrical performance data and features better broadband characteristics.
Description
- Fig. 1
- einen Schnitt durch einen Übergang von einem koaxialen Leiter auf einen Hohlleiterstrahler,
- Fig. 2
- eine Aufsicht entsprechend Fig. 1.
Claims (3)
- Hohlleiterstrahler, bestehend aus einem Hohlleiterabschnitt mit einer Apertur und einer Kurzschlußwand sowie einer koaxialen Speisung und einem Übergang von der koaxialen Speisung auf den Hohlleiterstrahler, gekennzeichnet durch folgende Merkmale:a) der Hohlleiterabschnitt (3) des Hohlleiterstrahlers ( 1 ) weist eine Länge L = Lo + 1 (mit Lo = 1/4λ; 0 ≤ 1 ≤ λ; λ = Betriebswellenlänge) auf,b) die Einspeisung von der koaxialen Speisung (4) erfolgt über eine b) außermittig angeordnete Öffnung (5) in der Kurzschlußwand (2) mit Hilfe einer kapazitiv wirkenden koaxialen Sonde (6), bestehend aus einem Stift und einer kontaktlos den Stift teilweise umgebenden Hülse, bei der ein Anschluß (7) mit dem Mittelleiter (8) der koaxialen Speisung verbunden ist, mit gleichartiger Außenform ist symmetrischc) eine weitere Sonde (9) mit gleichartiger Außenform ist symmetrisch bezüglich der Hauptachse (A) des Hohlleiterstrahlers ( 1 ) leitend auf der Kurzschlußwand (2) befestigt und das aperturseitige Ende der weiteren Sonde (9) ist mit dem aperturseitigen Ende der kapazitiv wirkenden koaxialen Sonde (6) mittels eines Kurzschlußbügels (10) verbunden.
- Hohlleiterstrahler nach Anspruch 1, dadurch gekennzeichnet, daß die Sonden (6, 9) eine Länge von etwa einem Viertel der Betriebswellenlänge aufweisen.
- Hohlleiterstrahler nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß orthogonal zur ersten Einkoppelvorrichtung, bestehend aus den beiden Sonden (6, 9) und dem Kurzschlußbügel (10) eine weitere gleichartige Einkoppelvorrichtung (11, 12, 13) auf der Kurzschlußwand (2) angeordnet ist, wobei die Kurzschlußbügel (10, 11) im Bereich der Hauptachse (A) des Hohlleiterstrahlers (1) kontaktlos übereinander geführt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803565 | 1998-01-30 | ||
DE19803565 | 1998-01-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0933833A1 EP0933833A1 (de) | 1999-08-04 |
EP0933833B1 true EP0933833B1 (de) | 2003-11-19 |
Family
ID=7856114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99100867A Expired - Lifetime EP0933833B1 (de) | 1998-01-30 | 1999-01-19 | Hohlleiterstrahler |
Country Status (5)
Country | Link |
---|---|
US (1) | US6154183A (de) |
EP (1) | EP0933833B1 (de) |
CA (1) | CA2260394A1 (de) |
DE (1) | DE29818848U1 (de) |
ES (1) | ES2207037T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU174536U1 (ru) * | 2017-03-30 | 2017-10-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет геосистем и технологий" (СГУГиТ) | Волноводный излучатель |
RU202634U1 (ru) * | 2020-03-23 | 2021-03-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет геосистем и технологий" (СГУГиТ) | Низкопрофильная диэлектрическая антенна терагерцового диапазона |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6603438B2 (en) | 2001-02-22 | 2003-08-05 | Ems Technologies Canada Ltd. | High power broadband feed |
US7194528B1 (en) | 2001-05-18 | 2007-03-20 | Current Grid, Llc | Method and apparatus for processing inbound data within a powerline based communication system |
WO2011143095A2 (en) * | 2010-05-10 | 2011-11-17 | Raytheon Company | Multiple e-probe waveguide power combiner/divider |
JP5692242B2 (ja) | 2011-01-25 | 2015-04-01 | 日本電気株式会社 | 同軸導波管変換器、及びリッジ導波管 |
US10553940B1 (en) | 2018-08-30 | 2020-02-04 | Viasat, Inc. | Antenna array with independently rotated radiating elements |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3603987A (en) * | 1969-11-06 | 1971-09-07 | Itt | Polarization diversity radiator for phased arrays |
US3680138A (en) * | 1970-09-21 | 1972-07-25 | Us Army | Cross-mode reflector for the front element of an array antenna |
US4051447A (en) * | 1976-07-23 | 1977-09-27 | Rca Corporation | Radio frequency coupler |
US4097869A (en) * | 1977-03-14 | 1978-06-27 | Stanford Research Institute | Orthogonal-port, biconical-horn, direction-finder antenna |
DE3129425A1 (de) * | 1981-07-25 | 1983-02-10 | Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen | Mikrowellenantenne fuer zirkularpolarisation |
DE3150236A1 (de) * | 1981-12-18 | 1983-06-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zum anschluss von gruppenstrahlern an ein verzweigungsnetzwerk |
DE4038817C1 (de) * | 1990-12-05 | 1992-05-07 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
JP3101930B2 (ja) * | 1991-04-26 | 2000-10-23 | マスプロ電工株式会社 | 同軸導波管変換器 |
US5304999A (en) * | 1991-11-20 | 1994-04-19 | Electromagnetic Sciences, Inc. | Polarization agility in an RF radiator module for use in a phased array |
DE19629593A1 (de) * | 1996-07-23 | 1998-01-29 | Endress Hauser Gmbh Co | Anordnung zum Erzeugen und zum Senden von Mikrowellen, insb. für ein Füllstandsmeßgerät |
-
1998
- 1998-10-22 DE DE29818848U patent/DE29818848U1/de not_active Expired - Lifetime
-
1999
- 1999-01-19 EP EP99100867A patent/EP0933833B1/de not_active Expired - Lifetime
- 1999-01-19 ES ES99100867T patent/ES2207037T3/es not_active Expired - Lifetime
- 1999-01-29 CA CA002260394A patent/CA2260394A1/en not_active Abandoned
- 1999-02-01 US US09/240,854 patent/US6154183A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU174536U1 (ru) * | 2017-03-30 | 2017-10-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет геосистем и технологий" (СГУГиТ) | Волноводный излучатель |
RU202634U1 (ru) * | 2020-03-23 | 2021-03-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет геосистем и технологий" (СГУГиТ) | Низкопрофильная диэлектрическая антенна терагерцового диапазона |
Also Published As
Publication number | Publication date |
---|---|
ES2207037T3 (es) | 2004-05-16 |
CA2260394A1 (en) | 1999-07-30 |
EP0933833A1 (de) | 1999-08-04 |
US6154183A (en) | 2000-11-28 |
DE29818848U1 (de) | 1999-01-07 |
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