CN105470655A - Millimeter-wave one-dimensional single-pulse double-planar reflection antenna - Google Patents
Millimeter-wave one-dimensional single-pulse double-planar reflection antenna Download PDFInfo
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- CN105470655A CN105470655A CN201510851963.7A CN201510851963A CN105470655A CN 105470655 A CN105470655 A CN 105470655A CN 201510851963 A CN201510851963 A CN 201510851963A CN 105470655 A CN105470655 A CN 105470655A
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Abstract
The invention relates to a millimeter-wave one-dimensional single-pulse double-planar reflection antenna. The millimeter-wave one-dimensional single-pulse double-planar reflection antenna includes a feed source as well as a first reflection plate and a second reflection plate which are opposite to each other; the first reflection plate and the second reflection plate are separated from each other and fixed through an insulation supporting ring; the feed source passes through the second reflection plate and is fixed at the center of the second reflection plate; the first reflection plate includes a first low-dielectric constant substrate, and metal gates which are arranged on the first low-dielectric constant substrate according to a one-dimensional periodic manner; and the second reflection plate includes a second low-dielectric constant substrate, rectangular reflection patches which are arranged on the second low-dielectric constant substrate according to a square periodic manner, and metal copper clad ground which covers the low-dielectric constant substrate. The millimeter-wave one-dimensional single-pulse double-planar reflection antenna of the invention is simple in structure and does not need an additional feeder network, and can be used as a high-gain antenna device of a miniaturized vehicle-mounted radar system.
Description
Technical field
The present invention relates to a kind of millimeter wave mono-pulse biplane reflecting antenna.
Background technology
Planar microstrip reflective array antenna adopts empty feedback form, combines that reflective array antenna efficiency is high and micro-strip array antenna is light, is easy to the advantage of processing.But similar with traditional reflective surface antenna, traditional planar microstrip reflective array antenna also has the shortcoming that longitudinal size is larger, its stereochemical structure causes the trouble of installing and carrying, and which greatly limits its development and utilization.
Monopulse radar scanner can be formed and, difference beam, be used for measuring the distance and bearing of target.Compared with traditional many bores monopulse radar, single port footpath multimode monopulse radar has that volume is little is convenient to integrated feature.
In order to the antenna equipment requirement of the miniaturized mobile terminals such as satisfied modern trailer-mounted radar, needs are designed has structure simply, the antenna equipment of the advantages such as lightweight, cost is low, and rate of finished products is high, and processing technology is simple and easy of integration.
Summary of the invention
The object of this invention is to provide a kind of millimeter wave mono-pulse biplane reflecting antenna, to solve existing antenna equipment complex structure, volume is large, the problem that processing technology is complicated and not easy of integration.
For solving the problems of the technologies described above, the invention provides a kind of millimeter wave mono-pulse biplane reflecting antenna, comprising feed, and the first mutually opposing reflecting plate and the second reflecting plate; Separated fixing between first reflecting plate and the second reflecting plate by insulating supporting ring, feed is fixed therein centre through the second reflecting plate; First reflecting plate comprises the first low-price electricity constant substrate, and is arranged in the metal grizzly bar carrying out Polarization selection for the electromagnetic wave produced feed on the first low-price electricity constant substrate by One Dimension Periodic; Second reflecting plate comprises the second low-price electricity constant substrate, by the reflection paster for electromagnetic wave through first baffle reflection after carry out twist-reflector and focusing of square periodic arrangement on the second low-price electricity constant substrate, and the metal covering the low dielectric constant base board back side covers copper ground.
Further, feed is mono-pulse multimode pyramid loudspeaker feed.
Further, the front of the first low-price electricity constant substrate and the second low-price electricity constant substrate is all printed with the reflective array layer with phase shift effect, and this reflective array layer is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical rectangular element.
Further, the first low-price electricity constant substrate and the second low-price electricity constant substrate are made up of macromolecular material.
Further, macromolecular material is polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene or epoxy resin.
Further, reflective array layer is the structure with geometry layer that electric conducting material is formed.
Further, be Filled Rectangle paster in the middle of reflective array layer.
Further, the length of side of reflective array layer approximates 6/20 to ten/10ths of the electromagnetic wavelength corresponding to working frequency range centre frequency.
Further, insulating supporting ring is fixed by screws between the first reflecting plate and the second reflecting plate.
Beneficial effect of the present invention is:
1, features simple structure of the present invention and without the need to additional feed wires network, may be used for the antenna equipment of the high-gain of minisize vehicle-mounted radar system.
2, the present invention when guaranteed performance, can effectively reduce the longitudinal size of half.Achieve the characteristic of low section, reach the object reducing overall dimensions.
3, the present invention can effectively avoid feed occlusion effect, improves the integral radiation performance of antenna.
4, the present invention effectively can improve polarization purity, namely can greatly improve cross polarization rejection ratio by the size of the polarization grizzly bar regulating upper strata polarization grid layer, thus obtain higher polarization purity.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the mechanical domain of the first reflecting plate;
Fig. 3 is the mechanical domain of the second reflecting plate;
The difference beam E face directional diagram of Fig. 4 to be the centre frequency of this antenna be 76.5GHz;
Fig. 5 to be the centre frequency of this antenna be 76.5GHz with wave beam E face directional diagram;
Fig. 6 to be the centre frequency of this antenna be 76.5GHz with wave beam H face directional diagram;
Fig. 7 is that this Antenna Operation is in 73-80GHz frequency band range interpolation beam gain;
Fig. 8 is this Antenna Operation difference beam minor level in 73-80GHz frequency band range;
Fig. 9 is that this Antenna Operation is in 73-80GHz frequency band range and beam gain;
Figure 10 is that this Antenna Operation is in 73-80GHz frequency band range and the minor level of wave beam E face;
Figure 11 is that this Antenna Operation is in 73-80GHz frequency band range and the minor level of wave beam H face.
Wherein: 1, the first reflecting plate; 11, the first low-price electricity constant substrate; 12, grizzly bar; 2, the second reflecting plate; 21, the second low-price electricity constant substrate; 22, paster is reflected; 3, insulating supporting ring; 4, equivalent feed; 5, feed; Abscissa in Fig. 4 to Figure 11 represents angle (unit is degree), and ordinate is pattern levels figure (unit is dB).
Embodiment
Below the specific embodiment of the present invention is described; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.
Millimeter wave mono-pulse biplane reflecting antenna as shown in Figure 1, comprise feed 5 (feed 5 adopted in the application is mono-pulse multimode pyramid loudspeaker feed 5), and the first mutually opposing reflecting plate 1 and the second reflecting plate 2, separated by insulating supporting ring between first reflecting plate 1 and the second reflecting plate 2, feed 5 passes the second reflecting plate 2 and is fixed on the central authorities of the second reflecting plate 2.Aforementioned dielectric support ring is fixed by screws between the first reflecting plate 1 and the second reflecting plate 2, is air dielectric between the first reflecting plate 1 and the second reflecting plate 2.
As shown in Figure 2, above-mentioned first reflecting plate 1 comprises the first low-price electricity constant substrate 11, and is arranged in the metal grizzly bar 12 carrying out Polarization selection for the electromagnetic wave produced feed 5 on the first low-price electricity constant substrate 11 by One Dimension Periodic; First reflecting plate 1 can the electromagnetic wave that parallels with grizzly bar 12 of reflecting polarised direction; Polarized wave perpendicular to grizzly bar 12 direction then can direct transmission grating compartment.
As shown in Figure 3, above-mentioned second reflecting plate 2 comprises the second low-price electricity constant substrate 21, by square periodic arrangement on the second low-price electricity constant substrate 21 for the reflection paster 22 carrying out twist-reflector and focusing through the electromagnetic wave after the first reflecting plate 1, and the metal covering second low dielectric constant base board 21 back side covers copper ground (not shown).
The front of above-mentioned first low-price electricity constant substrate 11 and the second low-price electricity constant substrate 21 is all printed with the reflective array layer with phase shift effect, and this reflective array layer is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical rectangular element.Wherein, reflective array layer is the structure with geometry layer that electric conducting material is formed, and be Filled Rectangle paster, and the length of side of reflective array layer approximates 6/20 to ten/10ths of the electromagnetic wavelength corresponding to working frequency range centre frequency in the middle of it.
In addition, the first low-price electricity constant base 11 plate and the second low-price electricity constant substrate 21 are made up of macromolecular materials such as polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene or epoxy resin.
The polarization of ele direction that feed 5 sends is parallel with grizzly bar 12 direction of the first reflecting plate 1, then electromagnetic wave can by first reflection when running into the first reflecting plate 1.The electromagnetic wave once back reflection through the second reflecting plate 2 twist-reflector and space phase compensation was reflected to the first reflecting plate 1 by the first reflecting plate 1.Now, during the relative first reflection in polarization of electromagnetic wave direction, have rotated 90 degree of grizzly bar 12 directions perpendicular to the first reflecting plate 1, and form the Aperture field distribution identical with conventional microstrip reflective array, finally through the first reflecting plate 1, the directional diagram needed for formation.
The above-mentioned transmitting procedure of electromagnetic wave between two reflecting plates can not affect the radiance of Monopulse feed 5.And for there being the monoplane pulse reflecting antenna of equal performance, feed 5 need place dotted line equivalence feed 4 position in fig. 2; The overall section of antenna need double, and can produce certain feed occlusion effect, worsens the overall performance of antenna.
Through emulating this antenna electric performance characteristic of obtaining as shown in following table one:
The electrical characteristics of table one antenna
(Ta＝250C,Nominal)
If Fig. 4 to Fig. 6 is that this antenna is at the difference beam of 76.5GHz frequency place simulation calculation and and beam pattern.Wherein, as seen from Figure 4, the antenna that the present invention proposes has the zero point depth of-53dB, has the extraordinary one dimension angle degree of discrimination.As can be seen from Fig. 5 and Fig. 6, the present invention propose antenna have with directional diagram the secondary lobe degree of suppression being better than 18dB.
If Fig. 7 to Figure 11 is inventive antenna at the gain of 73-80GHz frequency range simulation calculation and minor level result figure.Wherein as can be seen from Fig. 7 and Fig. 9, the antenna that the present invention proposes difference beam and and wave beam situation under all there is the gain of stable about 27.5dB in working band.As can be seen from Fig. 8, Figure 10 and Figure 11, the antenna that the present invention proposes, after avoiding feed 5 occlusion effect, has the minor level being better than-16dB, has good radiance in Whole frequency band.
To sum up, features simple structure of the present invention and without the need to additional feed wires network, may be used for the antenna equipment of the high-gain of minisize vehicle-mounted radar system.Further, the present invention when guaranteed performance, can effectively reduce the longitudinal size of half.Achieve the characteristic of low section, reach the object reducing overall dimensions.In addition, the present invention effectively can avoid feed 5 occlusion effect, improves the integral radiation performance of antenna; Effectively can improve polarization purity, namely can greatly improve cross polarization rejection ratio by the size of the polarization grizzly bar 12 regulating upper strata polarization grid layer, thus obtain higher polarization purity.
Claims (9)
1. a millimeter wave mono-pulse biplane reflecting antenna, is characterized in that, comprise feed, and the first mutually opposing reflecting plate and the second reflecting plate; Separated fixing between described first reflecting plate and the second reflecting plate by insulating supporting ring, described feed is fixed therein centre through described second reflecting plate; Described first reflecting plate comprises the first low-price electricity constant substrate, and is arranged in the metal grizzly bar carrying out Polarization selection for the electromagnetic wave produced feed on described first low-price electricity constant substrate by One Dimension Periodic; Described second reflecting plate comprises the second low-price electricity constant substrate, by the reflection paster for electromagnetic wave through described first baffle reflection after carry out twist-reflector and focusing of square periodic arrangement on described second low-price electricity constant substrate, and the metal covering the low dielectric constant base board back side covers copper ground.
2. millimeter wave mono-pulse biplane reflecting antenna according to claim 1, is characterized in that, described feed is mono-pulse multimode pyramid loudspeaker feed.
3. millimeter wave mono-pulse biplane reflecting antenna according to claim 1, it is characterized in that: the front of described first low-price electricity constant substrate and the second low-price electricity constant substrate is all printed with the reflective array layer with phase shift effect, and this reflective array layer is formed with being spaced of 0.4-0.6 λ in rectangular domain by multiple identical rectangular element.
4. the millimeter wave mono-pulse Plane-reflective antenna according to claim 1 or 3, is characterized in that: described first low-price electricity constant substrate and the second low-price electricity constant substrate are made up of macromolecular material.
5. millimeter wave mono-pulse Plane-reflective antenna according to claim 4, is characterized in that: described macromolecular material is polystyrene, polypropylene, polyimides, polyethylene, polytetrafluoroethylene or epoxy resin.
6. millimeter wave mono-pulse Plane-reflective antenna according to claim 3, is characterized in that: described reflective array layer is the structure with geometry layer that electric conducting material is formed.
7. millimeter wave mono-pulse Plane-reflective antenna according to claim 3, is characterized in that: be Filled Rectangle paster in the middle of described reflective array layer.
8. the millimeter wave mono-pulse Plane-reflective antenna according to claim 3,6 or 7, is characterized in that: the length of side of described reflective array layer approximates 6/20 to ten/10ths of the electromagnetic wavelength corresponding to working frequency range centre frequency.
9. millimeter wave mono-pulse biplane reflecting antenna according to claim 1, it is characterized in that, described insulating supporting ring is fixed by screws between described first reflecting plate and the second reflecting plate.
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| CN201510851963.7A CN105470655A (en) | 2015-11-30 | 2015-11-30 | Millimeter-wave one-dimensional single-pulse double-planar reflection antenna |
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| CN201510851963.7A CN105470655A (en) | 2015-11-30 | 2015-11-30 | Millimeter-wave one-dimensional single-pulse double-planar reflection antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258434A (en) * | 2016-12-28 | 2018-07-06 | 南京理工大学 | Ultralow section lens antenna based on ray-tracing principles and metamaterial structure |
| CN111146572A (en) * | 2019-12-20 | 2020-05-12 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Folding circular polarization reflective array antenna |
| CN111541031A (en) * | 2020-04-16 | 2020-08-14 | 华南理工大学 | Broadband low-profile transmission array antenna and wireless communication equipment |
| CN111969335A (en) * | 2020-08-16 | 2020-11-20 | 西安电子科技大学 | Conformal dual-polarized two-dimensional single-pulse end-fire array antenna |
| CN115332816A (en) * | 2022-08-23 | 2022-11-11 | 南京理工大学 | Reflective array antenna based on all-metal polarization torsion reflection unit |
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| US4431997A (en) * | 1981-02-18 | 1984-02-14 | Motorola Inc. | Compound element for image element antennas |
| EP2182582A1 (en) * | 2008-09-30 | 2010-05-05 | NTT DoCoMo, Inc. | Reflect array |
| CN103098302A (en) * | 2010-09-15 | 2013-05-08 | 迪睿合电子材料有限公司 | Antenna device and communication device |
| CN103329352A (en) * | 2011-02-04 | 2013-09-25 | 迪睿合电子材料有限公司 | Antenna device and communication device |
| JP2015053660A (en) * | 2013-09-09 | 2015-03-19 | 日本電信電話株式会社 | Antenna device and reflector arrangement method |
| CN104466429A (en) * | 2013-11-08 | 2015-03-25 | 北京东方安高微电子科技有限公司 | Millimeter wave one-dimensional single-pulse biplane reflecting antenna |
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2015
- 2015-11-30 CN CN201510851963.7A patent/CN105470655A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4431997A (en) * | 1981-02-18 | 1984-02-14 | Motorola Inc. | Compound element for image element antennas |
| EP2182582A1 (en) * | 2008-09-30 | 2010-05-05 | NTT DoCoMo, Inc. | Reflect array |
| CN103098302A (en) * | 2010-09-15 | 2013-05-08 | 迪睿合电子材料有限公司 | Antenna device and communication device |
| CN103329352A (en) * | 2011-02-04 | 2013-09-25 | 迪睿合电子材料有限公司 | Antenna device and communication device |
| JP2015053660A (en) * | 2013-09-09 | 2015-03-19 | 日本電信電話株式会社 | Antenna device and reflector arrangement method |
| CN104466429A (en) * | 2013-11-08 | 2015-03-25 | 北京东方安高微电子科技有限公司 | Millimeter wave one-dimensional single-pulse biplane reflecting antenna |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258434A (en) * | 2016-12-28 | 2018-07-06 | 南京理工大学 | Ultralow section lens antenna based on ray-tracing principles and metamaterial structure |
| CN111146572A (en) * | 2019-12-20 | 2020-05-12 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Folding circular polarization reflective array antenna |
| CN111541031A (en) * | 2020-04-16 | 2020-08-14 | 华南理工大学 | Broadband low-profile transmission array antenna and wireless communication equipment |
| CN111541031B (en) * | 2020-04-16 | 2021-08-10 | 华南理工大学 | Broadband low-profile transmission array antenna and wireless communication equipment |
| CN111969335A (en) * | 2020-08-16 | 2020-11-20 | 西安电子科技大学 | Conformal dual-polarized two-dimensional single-pulse end-fire array antenna |
| CN115332816A (en) * | 2022-08-23 | 2022-11-11 | 南京理工大学 | Reflective array antenna based on all-metal polarization torsion reflection unit |
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Effective date of registration: 20170629 Address after: 610000, No. 25, No. 10, No. 19, 89 cooperation Road, Chengdu hi tech Zone (West District, Sichuan) Applicant after: BVR CHENGDU SCIENCE AND TECHNOLOGY CO., LTD. Address before: 611731, No. 1-4, No. 1, 2 floor, No. 8, BOSCH Road, longevity town, Pujiang County, Sichuan, Chengdu Applicant before: CHENGDU YIHAOZHI TECHNOLOGY CO., LTD. |
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Application publication date: 20160406 |