CN106876919A - A kind of defect ground structure antenna of new U-shaped feeder line resonance - Google Patents
A kind of defect ground structure antenna of new U-shaped feeder line resonance Download PDFInfo
- Publication number
- CN106876919A CN106876919A CN201510938494.2A CN201510938494A CN106876919A CN 106876919 A CN106876919 A CN 106876919A CN 201510938494 A CN201510938494 A CN 201510938494A CN 106876919 A CN106876919 A CN 106876919A
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- Prior art keywords
- defect ground
- feeder line
- shaped feeder
- ground structure
- new
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- 230000007547 defect Effects 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract 3
- 239000002184 metal Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of defect ground structure antenna of new U-shaped feeder line resonance, its composition includes：Medium substrate (1), radiating element (2), bend character form structure groove (3), microstrip transmission line (4) hollow defect ground structure (5), the U-shaped feeder line resonant element (7) of ground plane (6) on radiating element.Described radiating element, microstrip transmission line, it is printed on medium substrate upper surface；Described radiating element is located at the middle part of medium substrate；Hollow defect ground structure is located at microstrip transmission line both sides；Hollow defect ground structure is etched on earth plate；Bow character form structure groove is opened on radiating element；U-shaped feeder line structure etching is on microstrip transmission line.
Description
Technical field
The present invention relates to a kind of antenna, a kind of defect ground structure antenna of new U-shaped feeder line resonance of specific design
Background technology
Since FCC (FederalCommunicationsCommission) allows 3.1 --- 10.6GHz
Since frequency range commercialization, super-broadband tech has obtained broadly paying close attention in academic and commercial field, while also being carried to ultra-wideband antenna
Requirement higher is gone out, has been allowed to the design more challenge than traditional antenna, be mainly manifested in：Antenna is except needing with ultra-wide
Working band (generally 3.1GHz -10.6GHz), can also keep the compact of size, weight it is frivolous, and be easy to
It is integrated with plane large-scale circuit.
However, the frequency band and WLAN shared by current ultra-wideband communications have shared part, it is therefore desirable to design
Antenna can be reduced and bring interference to WLAN, and ultra-wideband antenna of the design with double trap characteristics turns into the heat of research at present
Point.If suppressing harmonic resonance and parasitic emission without appropriate design, antenna will produce electromagnetic interference to neighbouring equipment,
Jeopardize system in itself with the normal work of neighbouring system, particularly the LAN system for using at present is interfered.Addition filter
Ripple device is the method for most-often used solution problems, but often causes antenna and microwave circuit to mismatch, or even reduces system
The overall efficiency of system, therefore it is to solve that design has the defect ground structure antenna of a kind of new U-shaped feeder line resonance of double trap characteristics
One of important method of this problem, while solving the problems, such as that the structure and technics comparing of current antenna are complicated.
The content of the invention
It is an object of the invention to provide a kind of simple structure, compact, broader bandwidth with trap characteristic
Ultra-wideband antenna, the antenna can be used on the military equipments and civil equipment such as electronics investigation, electronic countermeasure, reduced to broadband
Intercommunication microwave accesses WiMAX (3.3~3.6GHz), WLAN WLAN (5.15~5.825GHz).
The technical solution adopted in the present invention is：
A kind of defect ground structure antenna of new U-shaped feeder line resonance, it is characterized in that：Including medium substrate, radiating element,
Microstrip transmission line, hollow defect ground structure, ground plane, U-shaped feeder line resonant element, described radiation element, microstrip transmission line printing
In medium substrate upper surface, U-shaped feeder line resonant element is opened on microstrip transmission line, hollow defect ground structure is etched on earth plate,
Described ground plane is printed on the back side of medium substrate.
The defect ground structure antenna of described a kind of new U-shaped feeder line resonance, it is characterized in that：Described microstrip line both sides point
There are not two Metal cavities of symmetrical structure.
The defect ground structure antenna of described a kind of new U-shaped feeder line resonance, it is characterized in that：Described microstrip transmission line two
Side, Metal cavity size is unequal.
The defect ground structure antenna of described a kind of new U-shaped feeder line resonance, it is characterized in that：Described Metal cavity is carved
Erosion is on earth plate.
The defect ground structure antenna of described a kind of new U-shaped feeder line resonance, it is characterized in that：Opened on described radiating element
Bow character form structure groove.
The defect ground structure antenna of described a kind of new U-shaped feeder line resonance, it is characterized in that：On described microstrip transmission line
It is etched with U-shaped feeder line resonant element.
Concrete structure：
(1) there is the Metal cavity of symmetrical structure present invention microstrip line both sides on medium substrate, make antenna in frequency
Rate scope 3.1GHz -10.6GHz has double trap characteristics, and bandwidth is also wide.
(2) inventive antenna single layer printed circuit plate technique is to be capable of achieving, simple and compact for structure, compact, plus
Work is convenient, low cost.
(3) it is of the present invention that hollow defect ground structure groove is etched on earth plate, by adjusting the groove and metal
The size adjusting trap frequency in structure resonance chamber, realizes ultra-wideband communications and the compatible communication for coordination of mutual interference communication system.
(4) antenna structure of the present invention is simple, technical maturity, high degree of automation, is easy to batch production.
Brief description of the drawings
Fig. 1 is front elevation of the invention；
Fig. 2 is side view of the invention；
Specific embodiment
Antenna example：
As shown in figure 1, the defect ground structure antenna of a kind of new U-shaped feeder line resonance with trap characteristic, its composition bag
Include：Medium substrate (1), radiating element (2) bends character form structure groove (3), microstrip transmission line (4) on radiating element
Hollow defect ground structure (5), the U-shaped feeder line resonant element (7) of ground plane (6).Described radiating element, microstrip transmission line,
It is printed on medium substrate upper surface；Described radiating element is located at the middle part of medium substrate；Hollow defect ground structure is passed positioned at micro-strip
Defeated line both sides；Hollow defect ground structure is etched on earth plate；Bow character form structure groove is opened on radiating element；U-shaped feeder line structure is carved
Erosion is on microstrip transmission line.
Described medium substrate is polytetrafluoroethylene (PTFE) material, and thickness 0.787mm, relative dielectric constant is 2.2.
Described radiating element has bow font slot structure.
Described microstrip transmission line characteristic impedance 50 Ω, line width 2.4mm.
The metal structure resonator of described microstrip transmission line both sides is not fully identical.
Antenna accesses (WiMAX), WLAN (WLAN) in broadband intercommunication microwave respectively, so that secondary antenna is super
Wideband Communication apparatus can be with the compatible communication for coordination of mutual interference communication system.
The defect ground structure antenna of the new U-shaped feeder line resonance has double trap characteristics well.The antenna standing wave ratio is (small
In equal to 2:1) impedance bandwidth is 3.1-11.4GHz, meets the demand of ultra-wideband communications, there is one between 3.44-3.65GHZ
Individual trap characteristic, also there is a trap characteristic between 5.32-5.65GHZ, and S parameter is both less than in correspondence trap frequency scope
10dB, works well, and can eliminate or reduce electromagnetic interference of the ultra-wideband antenna to other networks, realizes efficient communication.
Claims (6)
1. a kind of defect ground structure antenna of new U-shaped feeder line resonance, it is characterized in that：Including medium substrate, spoke
Unit is penetrated, microstrip transmission line, hollow defect ground structure, ground plane, U-shaped feeder line resonant element is described
Radiating element, microstrip transmission line, it is printed on medium substrate upper surface；Described radiating element is located at medium
The middle part of substrate；Hollow defect ground structure is located at microstrip transmission line both sides；Hollow defect ground structure etching exists
On earth plate；Bow character form structure groove is opened on radiating element；U-shaped feeder line structure etching is in microstrip transmission line
On.
2. a kind of defect ground structure antenna of new U-shaped feeder line resonance according to claim 1, its feature
It is:There are two Metal cavities of symmetrical structure described microstrip line both sides respectively.
3. the defect ground structure antenna of a kind of new U-shaped feeder line resonance according to claim 1 and 2, it is special
Levying is：Described microstrip transmission line both sides, Metal cavity size is unequal.
4. the defect ground structure antenna of a kind of new U-shaped feeder line resonance according to claim 1 and 2, its
It is characterized in：Described Metal cavity is etched on earth plate.
5. a kind of defect ground structure antenna of new U-shaped feeder line resonance according to claim 1, its feature
It is：Character form structure groove is drawn on described radiating element.
6. a kind of defect ground structure antenna of new U-shaped feeder line resonance according to claim 1, its feature
It is:U-shaped feeder line resonant element is etched with described microstrip transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938494.2A CN106876919A (en) | 2015-12-10 | 2015-12-10 | A kind of defect ground structure antenna of new U-shaped feeder line resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938494.2A CN106876919A (en) | 2015-12-10 | 2015-12-10 | A kind of defect ground structure antenna of new U-shaped feeder line resonance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106876919A true CN106876919A (en) | 2017-06-20 |
Family
ID=59238862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510938494.2A Pending CN106876919A (en) | 2015-12-10 | 2015-12-10 | A kind of defect ground structure antenna of new U-shaped feeder line resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106876919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108091991A (en) * | 2017-11-30 | 2018-05-29 | 深圳市维力谷无线技术股份有限公司 | A kind of multiple frequence inhibits antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120057323A1 (en) * | 2010-09-08 | 2012-03-08 | National Taiwan University | Defected ground structure with shielding effect |
| KR20120082735A (en) * | 2011-01-14 | 2012-07-24 | 경북대학교 산학협력단 | Antenna using hilbert curve slot |
| CN103259084A (en) * | 2013-04-18 | 2013-08-21 | 中国科学院长春光学精密机械与物理研究所 | Miniaturization double-band-elimination ultra-wide-band microstrip antenna |
| CN203260725U (en) * | 2012-12-13 | 2013-10-30 | 哈尔滨黑石科技有限公司 | Novel ultra-wide band antenna with groove in shape of Chinese character shan and symmetric resonator structure |
| CN104681924A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨黑石科技有限公司 | Dual trapped wave flat ultra wideband antenna |
-
2015
- 2015-12-10 CN CN201510938494.2A patent/CN106876919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120057323A1 (en) * | 2010-09-08 | 2012-03-08 | National Taiwan University | Defected ground structure with shielding effect |
| KR20120082735A (en) * | 2011-01-14 | 2012-07-24 | 경북대학교 산학협력단 | Antenna using hilbert curve slot |
| CN203260725U (en) * | 2012-12-13 | 2013-10-30 | 哈尔滨黑石科技有限公司 | Novel ultra-wide band antenna with groove in shape of Chinese character shan and symmetric resonator structure |
| CN103259084A (en) * | 2013-04-18 | 2013-08-21 | 中国科学院长春光学精密机械与物理研究所 | Miniaturization double-band-elimination ultra-wide-band microstrip antenna |
| CN104681924A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨黑石科技有限公司 | Dual trapped wave flat ultra wideband antenna |
Non-Patent Citations (3)
| Title |
|---|
| JYOTI R. PANDA AND RAKHESH S. KSHETRIMAYUM: "A Compact 3.5/5.5 GHz Dual Band-Notched Monopole Antenna For Application In UWB Communication Systems With Defected Ground Structure", 《2010 INDIAN ANTENNA WEEK: A WORKSHOP ON ADVANCED ANTENNA TECHNOLOGY》 * |
| SEOK-JAE LEE等: "Flexible Microwave Chipless Tag System Based on DGS Resonators", 《WAMICON 2013》 * |
| 毕丹宏: "新型超宽带微带天线的研究与设计", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108091991A (en) * | 2017-11-30 | 2018-05-29 | 深圳市维力谷无线技术股份有限公司 | A kind of multiple frequence inhibits antenna |
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Application publication date: 20170620 |