CN108879086A - A kind of Compact type broadband micro-strip paster antenna with harmonics restraint - Google Patents
A kind of Compact type broadband micro-strip paster antenna with harmonics restraint Download PDFInfo
- Publication number
- CN108879086A CN108879086A CN201710340628.XA CN201710340628A CN108879086A CN 108879086 A CN108879086 A CN 108879086A CN 201710340628 A CN201710340628 A CN 201710340628A CN 108879086 A CN108879086 A CN 108879086A
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- Prior art keywords
- antenna
- quarter
- wave resonance
- rectangular patch
- wave
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses a kind of Compact type broadband microstrip antenna with harmonics restraint.The antenna includes the antenna element being arranged on the medium substrate and medium substrate of single layer, which includes rectangular patch, two quarter-wave resonance devices and ground short circuit needle；The first quarter-wave resonance device, the second quarter-wave resonance device Length discrepancy be not wide, and each parallel to the radiating side of rectangular patch, it is inserted into ground short circuit needle among two quarter-wave resonance devices, rectangular patch is motivated by couple feed；The feeding point of antenna is disposed therein on a quarter-wave resonance device, passes through copper axis probe feed；Rectangular patch is common paster antenna in the antenna element, and there are two the resonance points of off center frequency for the first, second quarter-wave resonance utensil, but are not involved in radiation.Inventive antenna has low section and structure is simple, effectively increases antenna bandwidth, while having the advantages that limitation of high harmonics.
Description
Technical field
The invention belongs to antenna technical field, especially a kind of broadband line polarization micro-strip patch day with harmonics restraint
Line.
Background technique
In recent years, antenna as the key equipment of the radio applications systems such as communication, broadcast, radar, guidance in function, set
Great variety all has occurred in meter and manufacturing process.Antenna as the important component in Modern Communication System, its performance
Superiority and inferiority produces most direct influence to communication system.And the fast development of modern communication technology proposes more the performance of antenna
High requirement.
Due to the development of recent decades microwave integrated circuit, produce to can be compatible with integrated circuit compact aerial
Demand.Microstrip antenna is light-weight with it, can be conformal, easy of integration, convenient for matching the advantages that obtains more favors.Mobile logical
In letter and personal communication, the status of microstrip antenna will be incomparable in the development in future.The disadvantage of microstrip antenna itself maximum
It is exactly that bandwidth is generally all narrow.The frequency bandwidth of general microband travelling wave antenna can achieve tens percent, microstrip gap
Antenna can achieve 1%-10%, and common micro-strip paster antenna is only 0.6%-3%.In recent years, researcher is in micro-strip
Many research is made that in beamwidth of antenna broadening.By select suitable substrate, the shape for changing antenna, size, using each
Kind feeding technique, impedance match technique etc., can effectively broaden the bandwidth of antenna.But these methods are generally multiple with structure
Miscellaneous, multilayer acoustical panel mechanism, electric size is excessive and is difficult to the disadvantages of forming array.
Summary of the invention
A kind of low section broadband for realization simple, at low cost, easy to process that the purpose of the present invention is to provide structures is micro-
Band paster antenna, while having the advantages that limitation of high harmonics and compact-sized.
The technical solution for realizing the aim of the invention is as follows：A kind of Compact type broadband microstrip antenna with harmonics restraint,
The antenna element being arranged on medium substrate and medium substrate including single layer, the antenna element include rectangular patch, the one or four
/ mono- wave resonator, the second quarter-wave resonance device and ground short circuit needle；First quarter-wave resonance
Device, the second quarter-wave resonance device Length discrepancy be not wide, and each parallel to the radiating side of rectangular patch, this two four/
It is inserted into ground short circuit needle among one wave resonator, rectangular patch is motivated by couple feed；The feeding point of antenna is set
It is placed in one on a quarter-wave resonance device, passes through copper axis probe feed.
Further, rectangular patch is common paster antenna, the first quarter-wave resonance in the antenna element
There are two the resonance points of off center frequency for device, the second quarter-wave resonance utensil, but are not involved in radiation.
Further, the relative dielectric constant of the medium substrate is 2.2, and with a thickness of 1.57mm, medium substrate is whole
Cover copper dielectric-slab.
Compared with prior art, the present invention its remarkable advantage is：(1) single-layer medium plate is used, multiple-layer stacked is avoided
Labyrinth, antenna structure are simple, it is easy to accomplish processing, it is at low cost；(2) frequency bandwidth is increased effectively, higher hamonic wave obtains
Effectively inhibit.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the overall structure birds-eye perspective of antenna of the embodiment of the present invention.
Fig. 2 is the S11 parameters simulation figure of antenna of the embodiment of the present invention.
Fig. 3 is gain analogous diagram in the working band of antenna of the embodiment of the present invention.
Fig. 4 is the emulation directional diagram of center of antenna of embodiment of the present invention frequency 5GHz.
Fig. 5 is the S11 parameters simulation figure of antenna of embodiment of the present invention 4-12GHz.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to
In the embodiment.
The present invention provides a kind of methods for broadening micro-strip paster antenna bandwidth, utilize two quarter-wave resonance devices
Couple feed is carried out to rectangular radiation patch, from the point of view of the effective transmission line model of antenna entirety, is equivalent to and increases by two resonance
Circuit, so that the original resonance point of antenna increases to three by one, to effectively broaden the bandwidth of antenna.Due to two
Quarter-wave resonance device is symmetrical, so that higher hamonic wave is inhibited.Due to increased two four/wave resonances
Device is parallel to the radiating side of rectangular patch, so that antenna is compact-sized, compare conventional patch antenna, and there is no increase for electric size
It adds few.The single layer designs of antenna make antenna have many advantages, such as that low section, structure are simple, easy to process.
In conjunction with Fig. 1, the present invention has a Compact type broadband microstrip antenna of harmonics restraint, the medium substrate 1 including single layer, with
And the antenna element being arranged on medium substrate 1, the antenna element include rectangular patch 2, the first quarter-wave resonance device 3,
Second quarter-wave resonance device 4 and ground short circuit needle 5；The first quarter-wave resonance device 3, the second a quarter
4 Length discrepancy of wave resonator is not wide, and each parallel to the radiating side of rectangular patch 2, two quarter-wave resonance devices
Centre insertion ground short circuit needle 5, motivates rectangular patch 2 by couple feed；The feeding point 6 of antenna is disposed therein one
On root quarter-wave resonance device, pass through copper axis probe feed.
Further, rectangular patch 2 is common paster antenna, the first quarter-wave resonance in the antenna element
Device 3, there are two the resonance points of off center frequency for the second quarter-wave resonance device 4 tool, but are not involved in radiation.
Further, the relative dielectric constant of the medium substrate 1 is 2.2, and with a thickness of 1.57mm, medium substrate 1 is whole
Body covers copper dielectric-slab.
Embodiment 1
The present embodiment has the Compact type broadband micro-strip paster antenna of harmonics restraint, it includes single layer microwave-medium substrate 1,
Medium substrate 1 is equipped with antenna element, and the rectangular patch 2 of antenna element is unique radiation element, the calculating of this radiation patch size
As method with common paster antenna is.Common paster antenna is that direct feed microstrip line or probe feed are directly connected to square
Shape patch.The present embodiment uses coupling feed way, is swashed by two symmetrical quarter-wave micro-band branch
It encourages.Feeding point uses probe feed, directly connect with a wherein thicker micro-band branch.It is inserted at two micro-band branch centers
One piece-root grafting ground short circuit needle 5, enables a quarter resonator resonance of two not wide Length discrepancies.Due to horizontal direction two
The full symmetric distribution of resonator, so that the higher hamonic wave of antenna is inhibited.Symmetrical micro-band branch is slightly inclined at two
Frequency point from centre frequency generates resonance, but is not involved in radiation, and rectangular patch 2 is unique radiant section, and itself is also produced
A raw resonance point.Three resonance points are thereby produced, to effectively broaden the beamwidth of antenna.The dielectric-slab is with respect to dielectric
Constant is 2.2, and with a thickness of 1.57mm, dielectric-slab is that entirety covers copper dielectric-slab.
Fig. 1 provides the overall structure top view (perspective view) of inventive antenna, and antenna described in this patent is by single layer plane
Medium substrate composition, the centre frequency of the embodiment of production are 5GHz, and design frequency range is 4.78GHz-5.28GHz, are used
Dielectric constant is 2.2, loss angle tangent 0.0009, is used as the present invention with a thickness of the medium substrate Rogers 5880 of 1.57mm
Medium substrate in antenna.
Fig. 2 is the S11 analogous diagram of inventive antenna, and as can be seen from Figure, the bandwidth range less than -10dB is：4.78GHz-
5.28GHz, relative bandwidth 10% compare more similar micro-strip paster antenna, and the relative bandwidth of inventive antenna, which has, significantly to be mentioned
It is high.
Fig. 3 is the gain analogous diagram of inventive antenna, and the three dB bandwidth of gain maximum 7.1dBi, gain are greater than impedance
Bandwidth.Fig. 4 is inventive antenna in centre frequency 5GHzWithThe emulation directional diagram in direction, as can be seen from Figure, day
Line existsWithWhen directional diagram do not deviate, it is consistent with common paster antenna.Fig. 5 is inventive antenna in 4-12GHz
S11 parameters simulation figure, it can be seen that higher hamonic wave has obtained obvious inhibition.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to specific preferred embodiment, those skilled in the art should understand that, with this hair
Bright technical solution is modified or replaced equivalently, all in the spirit and model of the invention for not departing from appended claims and defining
It encloses, is intended to be within the scope of the claims of the invention.
Claims (3)
1. a kind of Compact type broadband microstrip antenna with harmonics restraint, which is characterized in that the medium substrate (1) including single layer,
And the antenna element being arranged on medium substrate (1), the antenna element include that rectangular patch (2), the first quarter-wave are humorous
Vibration device (3), the second quarter-wave resonance device (4) and ground short circuit needle (5)；The first quarter-wave resonance device
(3), second quarter-wave resonance device (4) Length discrepancy is not wide, and each parallel to the radiating side of rectangular patch (2), this two
Ground short circuit needle (5) are inserted among a quarter-wave resonance device, rectangular patch (2) is motivated by couple feed；
The feeding point (6) of antenna is disposed therein on a quarter-wave resonance device, passes through copper axis probe feed.
2. the Compact type broadband microstrip antenna according to claim 1 with harmonics restraint, which is characterized in that the day
Rectangular patch (2) is common paster antenna, the first quarter-wave resonance device (3), the second quarter-wave in line unit
There are two the resonance points of off center frequency for resonator (4) tool, but are not involved in radiation.
3. the Compact type broadband microstrip antenna according to claim 1 with harmonics restraint, which is characterized in that the medium
The relative dielectric constant of substrate (1) is 2.2, and with a thickness of 1.57mm, medium substrate (1) is that entirety covers copper dielectric-slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340628.XA CN108879086A (en) | 2017-05-16 | 2017-05-16 | A kind of Compact type broadband micro-strip paster antenna with harmonics restraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710340628.XA CN108879086A (en) | 2017-05-16 | 2017-05-16 | A kind of Compact type broadband micro-strip paster antenna with harmonics restraint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879086A true CN108879086A (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710340628.XA Pending CN108879086A (en) | 2017-05-16 | 2017-05-16 | A kind of Compact type broadband micro-strip paster antenna with harmonics restraint |
Country Status (1)
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| CN (1) | CN108879086A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797653A (en) * | 2019-11-25 | 2020-02-14 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN111370867A (en) * | 2020-03-13 | 2020-07-03 | 昆山新仟年微波技术有限公司 | Double-frequency millimeter wave microstrip antenna based on single-layer medium low profile and multiple short circuit pins |
| CN111428427A (en) * | 2020-03-27 | 2020-07-17 | 中国人民解放军海军工程大学 | Conformal microwave antenna design and radiation characteristic modeling method |
| CN112582792A (en) * | 2020-12-04 | 2021-03-30 | 南通大学 | Frequency tunable microstrip patch antenna based on half-cut technology |
| CN112713404A (en) * | 2021-03-25 | 2021-04-27 | 网络通信与安全紫金山实验室 | Single-layer broadband microstrip patch antenna |
| CN113178689A (en) * | 2021-04-02 | 2021-07-27 | 南京理工大学 | Low-profile miniaturized decoupling structure based on patch MIMO antenna |
| CN113745816A (en) * | 2021-08-31 | 2021-12-03 | 重庆大学 | Hybrid mode patch antenna with self-decoupling and filtering characteristics |
| WO2022001740A1 (en) * | 2020-06-29 | 2022-01-06 | 华为技术有限公司 | Electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090295645A1 (en) * | 2007-10-08 | 2009-12-03 | Richard John Campero | Broadband antenna with multiple associated patches and coplanar grounding for rfid applications |
| CN202839954U (en) * | 2012-11-04 | 2013-03-27 | 黑龙江大学 | Notch ultra-wideband antenna with parasitic elements |
| IT1400110B1 (en) * | 2010-05-21 | 2013-05-17 | S Di G Moiraghi & C Soc Sa | COMPACT PLANAR ANTENNA. |
-
2017
- 2017-05-16 CN CN201710340628.XA patent/CN108879086A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090295645A1 (en) * | 2007-10-08 | 2009-12-03 | Richard John Campero | Broadband antenna with multiple associated patches and coplanar grounding for rfid applications |
| IT1400110B1 (en) * | 2010-05-21 | 2013-05-17 | S Di G Moiraghi & C Soc Sa | COMPACT PLANAR ANTENNA. |
| CN202839954U (en) * | 2012-11-04 | 2013-03-27 | 黑龙江大学 | Notch ultra-wideband antenna with parasitic elements |
Non-Patent Citations (1)
| Title |
|---|
| JIN-DONG ZHANG: "《A Compact Microstrip-Fed Patch Antenna With Enhanced Bandwidth and Harmonic Suppression》", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797653A (en) * | 2019-11-25 | 2020-02-14 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN110797653B (en) * | 2019-11-25 | 2021-10-29 | 中北大学 | Double-frequency point/high-radiation-efficiency planar microwave resonant antenna |
| CN111370867A (en) * | 2020-03-13 | 2020-07-03 | 昆山新仟年微波技术有限公司 | Double-frequency millimeter wave microstrip antenna based on single-layer medium low profile and multiple short circuit pins |
| CN111428427A (en) * | 2020-03-27 | 2020-07-17 | 中国人民解放军海军工程大学 | Conformal microwave antenna design and radiation characteristic modeling method |
| CN111428427B (en) * | 2020-03-27 | 2023-04-25 | 中国人民解放军海军工程大学 | Conformal microwave antenna design and radiation characteristic modeling method |
| WO2022001740A1 (en) * | 2020-06-29 | 2022-01-06 | 华为技术有限公司 | Electronic device |
| CN112582792A (en) * | 2020-12-04 | 2021-03-30 | 南通大学 | Frequency tunable microstrip patch antenna based on half-cut technology |
| CN112713404A (en) * | 2021-03-25 | 2021-04-27 | 网络通信与安全紫金山实验室 | Single-layer broadband microstrip patch antenna |
| CN113178689A (en) * | 2021-04-02 | 2021-07-27 | 南京理工大学 | Low-profile miniaturized decoupling structure based on patch MIMO antenna |
| CN113178689B (en) * | 2021-04-02 | 2022-09-20 | 南京理工大学 | Low-profile miniaturized decoupling structure based on patch MIMO antenna |
| CN113745816A (en) * | 2021-08-31 | 2021-12-03 | 重庆大学 | Hybrid mode patch antenna with self-decoupling and filtering characteristics |
| CN113745816B (en) * | 2021-08-31 | 2024-04-16 | 重庆大学 | Mixed mode patch antenna with self decoupling and filtering characteristics |
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Application publication date: 20181123 |