CN107959111A - A kind of double frequency electricity small gap antenna - Google Patents

A kind of double frequency electricity small gap antenna Download PDF

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Publication number
CN107959111A
CN107959111A CN201711161770.4A CN201711161770A CN107959111A CN 107959111 A CN107959111 A CN 107959111A CN 201711161770 A CN201711161770 A CN 201711161770A CN 107959111 A CN107959111 A CN 107959111A
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China
Prior art keywords
line
rabbet joint
double frequency
gap
length
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CN201711161770.4A
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CN107959111B (en
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刘伟娜
施艳艳
徐世周
聂旭冉
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Henan Normal University
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Henan Normal University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10Resonant antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a kind of double frequency electricity small gap antenna, including the attached copper dielectric-slab of single side and etching double frequency electronically small antenna on it;The double frequency electronically small antenna includes a coplanar waveguide feeder line, an impedance matching network and two gap radiation faces;Two gap radiation faces it is symmetrical be arranged on coplanar waveguide feeder line both sides, and be connected respectively by line of rabbet joint a with coplanar waveguide feeder line;The impedance matching network is serially connected in coplanar waveguide feeder line;The gap radiation face is made of symmetrical two " bow " the font line of rabbet joint of the extension on line of rabbet joint a.The double frequency electronically small antenna includes two resonant frequencies, and all frequency ranges of WLAN can be completely covered, and the working frequency and performance of antenna can be effectively adjusted by adjusting the different sizes to design a model.

Description

A kind of double frequency electricity small gap antenna
Technical field
The present invention relates to the small WLAN gaps of double frequency electricity of technical field of micro communication, more particularly to a kind of coplanar wave guide feedback Antenna.
Background technology
As microwave technology develops rapidly in social work life, Wireless Application Device is also growing day by day, and antenna, makees For part indispensable in microwave telecommunication system, also receive and grind the person of making internal disorder or usurp and more and more pay close attention to.Recently as research Deepen continuously, radio-frequency front-end equipment also constantly develops towards directions such as miniaturization, densification, multifunctions, electronically small antenna conduct The limit of antenna miniaturization and be subject to researcher more and more to favor.Therefore it is various to reduce antenna overall dimensions and protect antenna The technology for holding superperformance is constantly suggested, such as fluting, bending and loading technique.To 21 century, indoor wireless networks by Gradually to popularize, WLAN (Wireless LAN) electronically small antenna is also increasingly taken seriously, otherwise existing WLAN antennas size cannot Meet the small requirement of electricity, otherwise all frequency ranges (2.4/5.2/5.8GHz) of WLAN cannot be covered at the same time.And according to " the Chu limit " Theory, is provided simultaneously with electric small, high efficiency, directed radiation and covers the electric small of all frequency ranges of WLAN (2.4/5.2/5.8GHz) at the same time The design of antenna is with abnormal arduous challenge.It can be seen from the above that its successful design has very in practical engineering application Important research meaning and use value.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple in structure, section is low, easy of integration and cheap based on coplanar ripple Lead the double frequency WLAN electricity small gap antennas of feed.
To achieve the above object, the technical solution adopted by the present invention is specific as follows:
A kind of double frequency electricity small gap antenna, including the attached copper dielectric-slab of single side and etching double frequency electronically small antenna on it; The double frequency electronically small antenna includes a coplanar waveguide feeder line, an impedance matching network and two gap radiation faces;Two Gap radiation face it is symmetrical be arranged on coplanar waveguide feeder line both sides, and be connected respectively by line of rabbet joint a with coplanar waveguide feeder line;Institute Impedance matching network is stated to be serially connected in coplanar waveguide feeder line;The gap radiation face is by the extension symmetrical two on line of rabbet joint a A " bow " font line of rabbet joint is formed.
Preferably, the gap radiation face includes first line of rabbet joint, two second line of rabbet joint, two third slot lines, and two The 4th line of rabbet joint of root, two the 5th line of rabbet joint, two the 6th line of rabbet joint and two the 7th line of rabbet joint;The middle part of first line of rabbet joint is connected with line of rabbet joint a, The both ends of two second line of rabbet joint are connected to form the first U-shaped structure with the both ends of first line of rabbet joint and one end of third slot line respectively;The The both ends of four line of rabbet joint are connected to form the second U-shaped structure with the other end of third slot line and one end of the 5th line of rabbet joint respectively;6th groove The both ends of line are connected to form the 3rd U-shaped structure with the other end of the 4th line of rabbet joint and one end of the 7th line of rabbet joint;The end of 7th line of rabbet joint Short circuit;First U-shaped structure, the second U-shaped structure and the 3rd U-shaped structure size it is identical and join end to end form two " bow " font grooves Line.
Preferably, each corner in the first U-shaped structure, the second U-shaped structure and the 3rd U-shaped structure is right angle; First line of rabbet joint length is L1, and the identical length of second line of rabbet joint, the 4th line of rabbet joint and the 6th line of rabbet joint is L2, between two the 4th line of rabbet joint Distance be W3, third slot line, the 5th line of rabbet joint and the 7th line of rabbet joint are parallel and isometric, the length of 0.5* (L01-W3).
Preferably, the impedance matching network is by line of rabbet joint group and the co-planar waveguide group of two open-ends parallel with one another Into.
Preferably, the line of rabbet joint group is made of two line of rabbet joint I and two line of rabbet joint II;One end of two line of rabbet joint I is together Face waveguide feeder is connected, two gaps of co-planar waveguide and one end phase of the line of rabbet joint II of its other end with first terminal open circuit Even, the other end of two line of rabbet joint II is connected with the two bars transmission gap of the co-planar waveguide of second terminal open circuit respectively.
Preferably, II length of the line of rabbet joint I and the line of rabbet joint is 0.306mm;The length of the co-planar waveguide of first terminal open circuit Spend for 1.9mm, its length for opening a way section is 0.918mm;The length of the co-planar waveguide of second terminal open circuit is 1.45mm, it is opened a way The length of the section line of rabbet joint is 0.306mm.
Preferably, the coplanar waveguide feeder line is by two bars transmission gap, intermetallic metal conduction band and two metals Ground forms;Two bars are with transmitting gap and metal symmetrical on intermetallic metal conduction band, and impedance matching network is serially connected in middle gold Belong on conduction band.
Preferably, the width in the signal transmission gap is 0.15mm, and the width of the intermetallic metal conduction band is 2.13mm。
Preferably, the plate of the attached copper dielectric-slab of the single side is individual layer Rogers R4003C, its relative dielectric constant is 3.38, thickness 0.8mm, copper thickness are 0.18mm.
Relative to the prior art, double frequency WLAN electricity small gap antenna of the present invention has the following advantages that:
Electronically small antenna compact dimensions, simple in structure, section is low, easy to process, it is cheap and be easy to and other microwaves electricity Road integrates.The double frequency electronically small antenna includes two resonant frequencies, and all frequency ranges of WLAN can be completely covered, different by adjusting The size to design a model can effectively adjust the working frequency and performance of antenna.
Brief description of the drawings:
Fig. 1 is the planar structure and scale diagrams of the double frequency electronically small antenna of the present invention;
Fig. 2 is the structure diagram in the gap radiation face of single terminal short circuit of the present invention;
Fig. 3 is the schematic diagram of the impedance matching network of double frequency electronically small antenna loading of the present invention;
Fig. 4 is the reflectance factor schematic diagram of double frequency electricity small gap antenna of the present invention;
Fig. 5 a are E-plane and H-plane patterns under 2.4GHz (a) of the present invention;
Fig. 5 b are E-plane and H-plane patterns under 5.5GHz (b) of the present invention;
Fig. 6 is the schematic equivalent circuit of double frequency electronically small antenna of the present invention.
Embodiment:
It is right below in conjunction with the accompanying drawings for the present invention is further explained to reach the technological means and effect that above-mentioned purpose is taken The embodiment of the present invention is described in detail.
As shown in Figure 1, a kind of double frequency electricity small gap antenna, including 2, impedance matching networks of a coplanar waveguide feeder line 3rd, two gap radiation faces 1 and two identical line of rabbet joint a4;Coplanar waveguide feeder line 2 is by two bars transmission gap 21, centre Form metal conduction band 22 and two metals;Two bars are with transmitting gap 21 and metal right on intermetallic metal conduction band 22 Claim, impedance matching network 3 is serially connected on intermetallic metal conduction band 22;Two gap radiation faces 1 it is symmetrical be arranged on co-planar waveguide 2 both sides of feeder line, single gap radiation face 1 is symmetrical on the extended line of line of rabbet joint a4, and one end of two line of rabbet joint a4 and co-planar waveguide The signal transmission gap 21 of feeder line 2 is connected, and the other end is connected with two gap radiation faces 1 respectively, and the series connection of impedance matching network 3 adds It is loaded on the intermetallic metal conduction band 22 of coplanar waveguide feeder line 2, a double frequency WLAN electronically small antenna can be achieved in above-mentioned design.
Double frequency electronically small antenna is etched on the attached copper dielectric-slab of single side being made of metallic copper 102 and dielectric-slab 101, metallic copper 102 above dielectric-slab 101, and point-like fill part is metallic copper 102 in figure.The plate of the attached copper dielectric-slab of single side is individual layer Rogers R4003C, its relative dielectric constant are 3.38, and thickness 0.8mm, copper thickness is 0.18mm, to meet 50 ohmages Match somebody with somebody, the width of the intermetallic metal conduction band 22 of coplanar waveguide feeder line 2 is W1=2.13mm.The width in signal transmission gap 21 is g1= 0.15mm。
As shown in Fig. 2, Fig. 2 is the knot in the gap radiation face 1 of the single terminal short circuit of double frequency WLAN electronically small antennas of the present invention Structure schematic diagram.
Gap radiation face 1 includes first line of rabbet joint 11, two second line of rabbet joint 12, two third slot lines 13, two the 4th The line of rabbet joint 14, two the 5th line of rabbet joint, 15 two the 6th line of rabbet joint 16 and two the 7th line of rabbet joint 17;The middle part of first line of rabbet joint 11 and line of rabbet joint a4 It is connected, the both ends of two second line of rabbet joint 12 are connected to form first with the both ends of first line of rabbet joint 11 and one end of third slot line 13 respectively U-shaped structure;The both ends of 4th line of rabbet joint 14 are connected to form with the other end of third slot line 13 and one end of the 5th line of rabbet joint 15 respectively Two U-shaped structures;The both ends of 6th line of rabbet joint 16 and one end of the other end of the 4th line of rabbet joint 14 and the 7th line of rabbet joint 17 are connected to form the 3rd U Type structure;The end short circuit of 7th line of rabbet joint 17;First U-shaped structure, the second U-shaped structure and the 3rd U-shaped structure size are identical and first Tail, which is connected, forms two " bow " font line of rabbet joint.
The structure and the structure of the two " bow " fonts that especially single gap radiation face 1 includes two " bow " font are closed It is symmetrical in the extended line of line of rabbet joint a4;Extended line pair of two " bow " font structures in another gap radiation face on line of rabbet joint a4 Claim, whole antenna includes the structure of four " bow " fonts.
In the present embodiment, each corner in the first U-shaped structure, the second U-shaped structure and the 3rd U-shaped structure is straight Angle;First line of rabbet joint, 11 length is L1, and the identical length of second line of rabbet joint 12, the 4th line of rabbet joint 14 and the 6th line of rabbet joint 16 is L2, two The distance between 4th line of rabbet joint 14 is W3, and third slot line 13, the 5th line of rabbet joint 15 and the 7th line of rabbet joint 17 are parallel and isometric, the length of 0.5*(L01-W3);The above-mentioned line of rabbet joint is the hollow out gap opened up on the attached copper dielectric-slab 100 of single side.
As shown in figure 3, Fig. 3 is the structure diagram of the impedance matching network 3 of double frequency electronically small antenna of the present invention.Impedance matching Network 3 be loaded in series on the intermetallic metal conduction band 22 of coplanar waveguide feeder line 2, as shown in Figure 1;Specifically by two line of rabbet joint I 31, The co-planar waveguide 34 of two line of rabbet joint II 32, the co-planar waveguide 33 of first terminal open circuit and second terminal open circuit forms;Two line of rabbet joint I 31 one end is connected with coplanar waveguide feeder line 2, two gaps of its other end with the co-planar waveguide 33 of first terminal open circuit It is connected with one end of the line of rabbet joint II 32, the other ends of two line of rabbet joint II 32, two with the co-planar waveguide 34 of second terminal open circuit respectively Signal transmission gap is connected.
The line of rabbet joint I 31 and II 32 length of the line of rabbet joint are 0.306mm;The length of co-planar waveguide 33 of first terminal open circuit is 1.9mm, its length for opening a way section is 0.918mm;The length of the co-planar waveguide 34 of second terminal open circuit is 1.45mm, its section of opening a way The length of the line of rabbet joint is 0.306mm.
With reference to shown in figure, the preferable size of double frequency slit antenna of the present invention is as shown in Table 1:
Table one:The size mm of double frequency electronically small antenna preferred embodiment of the present invention
W 12.95 W2 0.45 L1 6.35 L5 0.36
L 13.3 g2 0.15 L2 1.35 L0 6
W1 2.13 W3 0.2 L3 1.9 a 0.9
g1 0.15 g3 0.15 L4 1.45 b 0.95
In the present embodiment, the length L of the attached copper dielectric-slab of single side is preferably 13.3mm, and width W is preferably 12.95mm.It is single The length and width of the attached copper dielectric-slab in face can change with the change of antenna sections size.
As shown in figure 4, Fig. 4 is the schematic diagram of the reflectance factor of double frequency WLAN electronically small antennas of the present invention.As can be seen that electricity is small Antenna has two working frequency range, its centre frequency is respectively 2.4 and 5.5GHz, and relative bandwidth is respectively 8% and 14.5%, can be very The 5.5GHz of the 2.4/5.2/5.8GHz and WIMAX (global interconnection microwave) of good covering WLAN.Two frequency ranges of Antenna Operation By two " bow " font terminal short circuit radiating surface and impedance matching network produce.E faces and H faces under its 2.4GHz and 5.5GHz Directional diagram as shown in figure 5 a and 5b, it can be seen that the main polarization directional diagram in E faces is in " 8 " type, has certain directionality, H faces It is in omnidirectional radiation state when 0-180 is spent.
Refering to what is shown in Fig. 6, Fig. 6 is the equivalent circuit diagram of double frequency electronically small antenna proposed by the present invention, the capacitance connected in figure C0 is that impedance matching network produces, and the capacitance C01 and second terminal that the co-planar waveguide 33 that C0 is opened a way by first terminal produces are opened The capacitance C02 that the co-planar waveguide 34 on road produces is in parallel and obtains, which can effectively offset antenna caused by drastically size reduces Input impedance imaginary part increase, so as to improve the overall performance of antenna, include the impedance matching of antenna and feeder line, reduce anti- Penetrate, widening frequency band, improve efficiency and gain etc.;In figureIt is the input impedance of antenna, ZLIt is the matching impedance that feeder line is connected Or other microwave circuits, its resistance value are 50 ohm.
Not only design structure is compact, easy to process, cheap, section is low, is easy to it for the double frequency electronically small antenna of the present invention He integrates microwave circuit, and realizes the electric small planar antennas that can cover all frequency ranges of WLAN using loading technique, has good Radiation effect, it is expected to be promoted use.
It the above is only the preferred embodiment of the present invention, it should be pointed out that:Come for those skilled in the art Say, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as Protection scope of the present invention.

Claims (9)

  1. A kind of 1. double frequency electricity small gap antenna, it is characterised in that:Including the double frequency attached copper dielectric-slab of single side and etching on it Electronically small antenna;
    The double frequency electronically small antenna includes a coplanar waveguide feeder line(2), an impedance matching network(3)And two gap spokes Penetrate face(1);
    Two gap radiation faces(1)Symmetrical is arranged on coplanar waveguide feeder line(2)Both sides, and pass through line of rabbet joint a respectively(4)Together Face waveguide feeder(2)It is connected;
    The impedance matching network(3)It is serially connected in coplanar waveguide feeder line(2)In;
    The gap radiation face(1)By on line of rabbet joint a(4)Symmetrical two " bow " fonts line of rabbet joint of extension form.
  2. A kind of 2. double frequency electricity small gap antenna according to claim 1, it is characterised in that:The gap radiation face(1)Bag Include first line of rabbet joint(11), two second line of rabbet joint(12), two third slot lines(13), two the 4th line of rabbet joint(14), two Five line of rabbet joint(15)Two the 6th line of rabbet joint(16)And two the 7th line of rabbet joint(17);
    First line of rabbet joint(11)Middle part and line of rabbet joint a(4)It is connected, two second line of rabbet joint(12)Both ends respectively with first line of rabbet joint(11) Both ends and third slot line(13)One end be connected to form the first U-shaped structure;
    4th line of rabbet joint(14)Both ends respectively with third slot line(13)The other end and the 5th line of rabbet joint(15)One end be connected to form Second U-shaped structure;
    6th line of rabbet joint(16)Both ends and the 4th line of rabbet joint(14)The other end and the 7th line of rabbet joint(17)One end be connected to form the 3rd U Type structure;
    7th line of rabbet joint(17)End short circuit;
    First U-shaped structure, the second U-shaped structure and the 3rd U-shaped structure size it is identical and join end to end form two " bow " font grooves Line.
  3. A kind of 3. double frequency electricity small gap antenna according to claim 3, it is characterised in that:It is first U-shaped structure, second U-shaped Each corner in structure and the 3rd U-shaped structure is right angle;
    First line of rabbet joint(11)Length is L1, second line of rabbet joint(12), the 4th line of rabbet joint(14)And the 6th line of rabbet joint(16)Length it is identical For L2, two the 4th line of rabbet joint(14)The distance between be W3, third slot line(13), the 5th line of rabbet joint(15)And the 7th line of rabbet joint(17)It is flat It is capable and isometric, the length of 0.5* (L01-W3).
  4. A kind of 4. double frequency electricity small gap antenna according to claim 1, it is characterised in that:The impedance matching network(3) It is made of the co-planar waveguide of line of rabbet joint group and two open-ends parallel with one another.
  5. A kind of 5. double frequency electricity small gap antenna according to claim 4, it is characterised in that:The line of rabbet joint group is by two line of rabbet joint Ⅰ(31)With two line of rabbet joint II(32)Composition;
    Two line of rabbet joint I(31)One end and coplanar waveguide feeder line(2)It is connected, its other end is coplanar with first terminal open circuit Waveguide(33)Two gaps and the line of rabbet joint II(32)One end be connected, two line of rabbet joint II(32)The other end respectively with second terminal The co-planar waveguide of open circuit(34)Two bars transmission gap be connected.
  6. A kind of 6. double frequency electricity small gap antenna according to claim 5, it is characterised in that:The line of rabbet joint I(31)And the line of rabbet joint Ⅱ(32)Length is 0.306mm;
    The co-planar waveguide of first terminal open circuit(33)Length be 1.9mm, its open a way section length be 0.918mm;
    The co-planar waveguide of second terminal open circuit(34)Length be 1.45 mm, its open a way the section line of rabbet joint length be 0.306mm.
  7. A kind of 7. double frequency electricity small gap antenna according to claim 1, it is characterised in that:The coplanar waveguide feeder line(2) Gap is transmitted by two bars(21), intermetallic metal conduction band(22)And two metals form;
    Two bars transmit gap(21)On intermetallic metal conduction band with metal(22)Symmetrically, impedance matching network(3)Concatenation In intermetallic metal conduction band(22)On.
  8. A kind of 8. double frequency electricity small gap antenna according to claim 8, it is characterised in that:The signal transmission gap(21) Width be 0.15mm, the intermetallic metal conduction band(22)Width be 2.13mm.
  9. A kind of 9. double frequency electricity small gap antenna according to claim 1, it is characterised in that:The attached copper dielectric-slab of single side Plate is individual layer Rogers R4003C, its relative dielectric constant is 3.38, and thickness 0.8mm, copper thickness is 0.18mm.
CN201711161770.4A 2017-11-20 2017-11-20 Dual-frequency electric small slot antenna Active CN107959111B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676554A (en) * 2019-08-02 2020-01-10 杭州法动科技有限公司 Low-profile ultra-wideband indoor communication plane structure antenna

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRE20030073A1 (en) * 2003-07-18 2005-01-19 Ask Ind Spa SINGLE LAYER PLANAR ANTENNA.
US20050231434A1 (en) * 2002-05-01 2005-10-20 The Regents Of The University Of Michigan Slot antenna
CN201117797Y (en) * 2007-06-13 2008-09-17 华南理工大学 Coplanar waveguide feeding radio frequency identification tag antenna
DE102010014916A1 (en) * 2010-04-14 2011-10-20 Aeromaritime Systembau Gmbh Phased array antenna
CN203180055U (en) * 2012-12-10 2013-09-04 哈尔滨网腾科技开发有限公司 Improved square spiral ultra-wideband antenna
CN105896074A (en) * 2016-05-09 2016-08-24 河南师范大学 Broadband-plane electric small antenna with coplanar waveguide feeding
CN106184707A (en) * 2016-07-27 2016-12-07 深圳市天鼎微波科技有限公司 A kind of unmanned plane structure with antenna assembly
CN106848559A (en) * 2017-02-15 2017-06-13 河南师范大学 A kind of multifrequency antenna of coplanar wave guide feedback
CN207474672U (en) * 2017-11-20 2018-06-08 河南师范大学 A kind of double frequency electricity small gap antenna of coplanar wave guide feedback

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050231434A1 (en) * 2002-05-01 2005-10-20 The Regents Of The University Of Michigan Slot antenna
ITRE20030073A1 (en) * 2003-07-18 2005-01-19 Ask Ind Spa SINGLE LAYER PLANAR ANTENNA.
CN201117797Y (en) * 2007-06-13 2008-09-17 华南理工大学 Coplanar waveguide feeding radio frequency identification tag antenna
DE102010014916A1 (en) * 2010-04-14 2011-10-20 Aeromaritime Systembau Gmbh Phased array antenna
CN203180055U (en) * 2012-12-10 2013-09-04 哈尔滨网腾科技开发有限公司 Improved square spiral ultra-wideband antenna
CN105896074A (en) * 2016-05-09 2016-08-24 河南师范大学 Broadband-plane electric small antenna with coplanar waveguide feeding
CN106184707A (en) * 2016-07-27 2016-12-07 深圳市天鼎微波科技有限公司 A kind of unmanned plane structure with antenna assembly
CN106848559A (en) * 2017-02-15 2017-06-13 河南师范大学 A kind of multifrequency antenna of coplanar wave guide feedback
CN207474672U (en) * 2017-11-20 2018-06-08 河南师范大学 A kind of double frequency electricity small gap antenna of coplanar wave guide feedback

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MIN-SHIN YUAN: "CPW-fed dual folded symmetry planar antenna for multiband operation", 《IEEE IWEM2011》 *
史志玮;刘运林;张文;: "一种小型半U型缝折叠超宽带微带天线", 电讯技术, no. 01 *
汤雪彬;: "应用于WLAN/WiMAX的CPW馈电双频天线设计", 电子元件与材料, no. 08 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676554A (en) * 2019-08-02 2020-01-10 杭州法动科技有限公司 Low-profile ultra-wideband indoor communication plane structure antenna
CN110676554B (en) * 2019-08-02 2021-04-30 杭州法动科技有限公司 Low-profile ultra-wideband indoor communication plane structure antenna

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