CN105846101A - Grid seam earth capacitance loaded step impedance half-slot antenna - Google Patents
Grid seam earth capacitance loaded step impedance half-slot antenna Download PDFInfo
- Publication number
- CN105846101A CN105846101A CN201610218746.9A CN201610218746A CN105846101A CN 105846101 A CN105846101 A CN 105846101A CN 201610218746 A CN201610218746 A CN 201610218746A CN 105846101 A CN105846101 A CN 105846101A
- Authority
- CN
- China
- Prior art keywords
- rabbet joint
- line
- seam
- antenna
- radiation
- 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.)
- Pending
Links
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
- H01Q13/10—Resonant slot antennas
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/328—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a grid seam earth capacitance loaded step impedance half-slot antenna which comprises a medium substrate (1), a metal ground (2) and a radiation slot seam (3) on the medium substrate (1), and a microstrip feed line (4). The radiation slot seam (3) and a plurality of parallel grid seams (6) are arranged on the metal ground (2). One end of the radiation slot seam (3) is short circuited while the other end (6) is open circuited. A plurality of parallel capacitors (7) are arranged near the open circuit of the radiation slot seam (3) and cross the edge of the radiation slot seam (3) to form a low impedance slot seam (8). The rest part of the radiation slot seam (3) is a high impedance slot seam (9). One end of the microstrip feed line (4) is an antenna port (10) and the open circuit at the other end of the microstrip feed line (4) crosses the high impedance slot seam (9) and extends a certain amount of lengths. The antenna of the invention can work with multiple bands. With a reduced size, the antenna achieves cross polarization. Well blocked, an improved isolation effect can be achieved as well.
Description
Technical field
The present invention relates to a kind of slot antenna, half slot antenna of a kind of grid seam ground capacitive load Stepped Impedance.
Background technology
Slot antenna is the antithesis antenna of element antenna, has a wide range of applications.But, common slot antenna not only spoke
Penetrate the length of the line of rabbet joint itself and to have 1/2nd wavelength, and radiate and also need to bigger Metal ground around the line of rabbet joint and amass, logical
Often length 1/2nd wavelength bigger than the length of the line of rabbet joint on metal ground, the width big 1/2nd of the width ratio line of rabbet joint on metal ground
Wavelength.Bigger metal ground can make slot antenna be not suitable for multiple-input and multiple-output (MIMO) application, causes antenna
Cross polarization is deteriorated, and these all will cause the decline of spectrum efficiency and channel capacity.The impedance of the line of rabbet joint simultaneously is very big, also makes
The impedance matching obtaining slot antenna feeding transmission line is relatively difficult.The development of modern communications simultaneously also requires that antenna can be with multifrequency
Band work and two frequency bands can regulate respectively.
Summary of the invention
Technical problem: the purpose of the present invention is to propose to half slot antenna of a kind of grid seam ground capacitive load Stepped Impedance, this antenna is not
Only can there is multiple working band, and multiple frequency band can regulate respectively；This antenna can reduce the length of the radiation line of rabbet joint
With metal ground area, and have suppression cross-polarized effect.
Technical scheme: half slot antenna of the grid seam ground capacitive load Stepped Impedance of the present invention includes medium substrate, is arranged on Jie
Metal ground on matter substrate and the radiation line of rabbet joint, microstrip feed line；The one side of medium substrate is metal ground, another of medium substrate
Face is the conduction band of microstrip feed line；Metal has the radiation line of rabbet joint on the ground, and the shape of the radiation line of rabbet joint is rectangle, and the radiation line of rabbet joint is positioned at gold
The center in possession；The metal grid slot array that a plurality of parallel gate seam is constituted on the ground, the shape of grid seam is rectangle, and grid seam is positioned at spoke
Penetrating the surrounding of the line of rabbet joint, grid seam is mutually perpendicular to the radiation line of rabbet joint；The short at one end of grid seam；The other end open circuit of grid seam, is positioned at
The edge of medium substrate；The short at one end of the radiation line of rabbet joint, the other end is opened a way；At the radiation line of rabbet joint near open end part, have
Several electric capacity are connected in parallel across radiating two edges of the line of rabbet joint so that the radiation line of rabbet joint becomes near the characteristic impedance of open end part
Low, form the low-resistance line of rabbet joint；The remainder of the radiation line of rabbet joint is the high resistant line of rabbet joint, and the high resistant line of rabbet joint constitutes rank together with the low-resistance line of rabbet joint
The impedance that the jumps radiation line of rabbet joint, produces a relatively low low frequency operation frequency band of frequency and the higher high-frequency work frequency band of a frequency；
Also being the ground plane of described microstrip feed line, one end of microstrip feed line is the port of antenna, the conduction band of microstrip feed line metal
The other end stride across the high resistant line of rabbet joint and stretch a segment length to terminal, the open-end of microstrip feed line；The conduction band of microstrip feed line
Having two parts to constitute, Part I conduction band is the position just having crossed over the high resistant line of rabbet joint from the port of antenna to it, microstrip feed line
The remainder of conduction band be Part II conduction band.
Change the thickness of medium substrate, pcrmeability and dielectric constant, thus it is possible to vary the characteristic resistance of the high resistant line of rabbet joint and the low-resistance line of rabbet joint
Anti-, change the height impedance ratio of the Stepped Impedance radiation line of rabbet joint, and then change the low frequency operation frequency band of antenna operating frequency and
The operating frequency of high-frequency work frequency band.
Change the length of the low-resistance line of rabbet joint, low-resistance line of rabbet joint position in the radiation line of rabbet joint, the electrical length of the radiation line of rabbet joint can be regulated,
To realize antenna miniaturization in various degree, it is also possible to change operating frequency and the high-frequency work of the low frequency operation frequency band of antenna
The operating frequency of frequency band.
Change the length and width of Part II conduction band, thus it is possible to vary the operating frequency of antenna, the width of working band and spoke
Penetrate the electrical length of the line of rabbet joint.
In change grid slot array, the spacing of adjacent gate seam, the width of grid seam, grid stitch the short-circuit end distance from the radiation line of rabbet joint, can
To change the operating frequency of antenna, the width of working band and the electrical length of the radiation line of rabbet joint.
Change the quantity of loading capacitance, capacitance and spacing, the characteristic impedance of the low-resistance line of rabbet joint can be regulated, change Stepped Impedance
The height impedance ratio of the radiation line of rabbet joint, and then change operating frequency and the work of high-frequency work frequency band of the low frequency operation frequency band of antenna
Working frequency.
Change the width of the radiation line of rabbet joint, the low-resistance line of rabbet joint and the characteristic impedance of the high resistant line of rabbet joint can be regulated, change Stepped Impedance spoke
Penetrate the height impedance ratio of the line of rabbet joint, and then change operating frequency and the work of high-frequency work frequency band of the low frequency operation frequency band of antenna
Frequency.
The electrical length of grid seam should not be taken at 1/4th, to avoid causing resonance radiation, causes cross-polarized rising.
Electric capacity parallel connection is loaded into two edges of the radiation line of rabbet joint, not only makes the characteristic impedance of line of rabbet joint transmission line be reduced to be prone to
With feeding transmission lines matching volume, but also reduce the phase velocity of line of rabbet joint transmission line so that the length of the half-wavelength radiation line of rabbet joint subtracts
Little, it is achieved the radiation line of rabbet joint and then the miniaturization of antenna.The low frequency operation of half slot antenna of grid seam ground capacitive load Stepped Impedance
The operating frequency of frequency band and the operating frequency of high-frequency work frequency band are mainly determined by the resonant frequency of the radiation line of rabbet joint, but metal
The size on ground, the microstrip feed line conduction band length and width in the radiation position of the line of rabbet joint, Part II conduction band can also be to antenna
Operating frequency and matching degree be adjusted.Owing to the radiation line of rabbet joint existing low-resistance line of rabbet joint has again the high resistant line of rabbet joint, constitute rank
Jump the radiation line of rabbet joint of impedance, not only makes antenna miniaturization, reduces cross polarization, also reduces the size on metal ground,
But also so that antenna has multiple working band, and change the low-resistance line of rabbet joint and the relative length of the high resistant line of rabbet joint and impedance,
The position of two working bands can be adjusted respectively.Radius slit is become periodically to load, again by metal grid seam on the ground
Make to radiate the line of rabbet joint and become periodic slow-wave structure, further reduce the electric size of antenna；Simultaneously because the side of grid seam
To vertical with the direction of the radiation line of rabbet joint, it is suppressed that metal is on the ground along the electric current in radiation line of rabbet joint direction, and makes along radius
The more concentration of the remaining CURRENT DISTRIBUTION in seam direction, thus reduce cross-polarized radiation, also reduce the chi on metal ground
Very little.Owing to the radiation line of rabbet joint 3 is quarter-wave resonance structure, than the spoke of 1/2nd wavelength of usual two terminal shortcircuits
Penetrating slot length half as large, therefore the overall dimensions of antenna reduces the most accordingly, and occlusion effect reduces further.
Beneficial effect: half slot antenna of the grid seam ground capacitive load Stepped Impedance of the present invention provides the benefit that, this antenna can
To reduce the electric size of whole antenna, to realize miniaturization, this antenna has been possible not only to multiple frequency band simultaneously, and multiple frequency
Band can regulate respectively, also has the cross polarization effect of suppression antenna.
Accompanying drawing explanation
Fig. 1 is half slot antenna overall structure schematic diagram of grid seam ground capacitive load Stepped Impedance.
Figure has: medium substrate 1, metal ground 2, radiation the line of rabbet joint 3, microstrip feed line 4, conduction band 5, grid seam 6, electric capacity 7,
The low-resistance line of rabbet joint 8, the high resistant line of rabbet joint 9, port 10, Part I conduction band 11 and Part II conduction band 12.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment of the present invention is: grid seam ground capacitive load Stepped Impedance half slot antenna include medium substrate 1,
The metal ground 2 being arranged on medium substrate 1 and the radiation line of rabbet joint 3, microstrip feed line 4；The one side of medium substrate 1 is metal
Ground 2, the another side of medium substrate 1 is the conduction band 5 of microstrip feed line 4；There is the radiation line of rabbet joint 3 on metal ground 2, radiate the line of rabbet joint
The shape of 3 is rectangle, and the radiation line of rabbet joint 3 is positioned at the center on metal ground 2；A plurality of parallel gate seam 6 composition on metal ground 2
Grid stitch 6 arrays, and the shape of grid seam 6 is rectangle, and grid seam is positioned at the surrounding of the radiation line of rabbet joint 3, grid seam 6 and the radiation line of rabbet joint 3
It is mutually perpendicular to；The short at one end of grid seam 6；The other end open circuit of grid seam 6, is positioned at the edge of medium substrate 1；Radius
The short at one end of seam 3, the other end is opened a way；At the radiation line of rabbet joint 3 near open end part, there is several electric capacity (7) in parallel
It is connected across two edges of the radiation line of rabbet joint 3 so that the radiation line of rabbet joint 3, near the characteristic impedance step-down of open end part, is formed
The low-resistance line of rabbet joint 8；The remainder of the radiation line of rabbet joint 7 is the high resistant line of rabbet joint 9, and the high resistant line of rabbet joint 9 is constituted together with the low-resistance line of rabbet joint 8
The Stepped Impedance radiation line of rabbet joint 3, produces one relatively low low frequency operation frequency band of frequency and the higher high-frequency work of frequency frequently
Band；Metal ground 2 is also the ground plane of described microstrip feed line 4, and one end of microstrip feed line 4 is the port 10 of antenna, micro-
The other end of the conduction band 5 of ribbon feeder 4 strides across the high resistant line of rabbet joint 9 and stretches a segment length to terminal, the terminal of microstrip feed line 4
Open circuit；The conduction band 5 of microstrip feed line has two parts to constitute, and Part I conduction band 11 is from the port 10 of antenna to it just
Crossing over the position of the high resistant line of rabbet joint 9, the remainder of the conduction band of microstrip feed line is Part II conduction band 12.
Change the thickness of medium substrate 1, pcrmeability and dielectric constant, thus it is possible to vary the high resistant line of rabbet joint 9 and the low-resistance line of rabbet joint 8
Characteristic impedance, changes the height impedance ratio of the Stepped Impedance radiation line of rabbet joint 3, and then changes the work of the low frequency operation frequency band of antenna
Working frequency and the operating frequency of high-frequency work frequency band.
Change the length of the low-resistance line of rabbet joint 8, the low-resistance line of rabbet joint 8 position in the radiation line of rabbet joint 3, the radiation line of rabbet joint 3 can be regulated
Electrical length, to realize antenna miniaturization in various degree, it is also possible to change the operating frequency of the low frequency operation frequency band of antenna
Operating frequency with high-frequency work frequency band.
Change the length and width of Part II conduction band 12, thus it is possible to vary the operating frequency of antenna, the width of working band
Electrical length with the radiation line of rabbet joint 3.
Change that grid stitch the spacing of the seam of adjacent gate in 6 arrays 6, the width of grid seam 6, grid stitch 6 short-circuit ends from the radiation line of rabbet joint 3
Distance, thus it is possible to vary the operating frequency of antenna, the width of working band and radiation the line of rabbet joint 3 electrical length.
Change quantity, capacitance and the spacing of loading capacitance (7), the characteristic impedance of the low-resistance line of rabbet joint 8 can be regulated, change
The height impedance ratio of the Stepped Impedance radiation line of rabbet joint 3, and then change operating frequency and the high frequency work of the low frequency operation frequency band of antenna
Make the operating frequency of frequency band.
Change the width of the radiation line of rabbet joint 3, the low-resistance line of rabbet joint 8 and the characteristic impedance of the high resistant line of rabbet joint 9 can be regulated, change step
The height impedance ratio of the impedance radiation line of rabbet joint 3, and then change operating frequency and the high-frequency work frequency of the low frequency operation frequency band of antenna
The operating frequency of band.
The operating frequency of the low frequency operation frequency band of half slot antenna of grid seam ground capacitive load Stepped Impedance and high-frequency work frequency band
Operating frequency mainly determined by the resonant frequency of the radiation line of rabbet joint 3, but the size on metal ground 2, the leading of microstrip feed line 4
With 5 in the radiation position of the line of rabbet joint 3, the length and width of Part II conduction band 12 can also to the operating frequency of antenna and
Matching degree is adjusted.Owing to the radiation line of rabbet joint 3 existing low-resistance line of rabbet joint 8 has again the high resistant line of rabbet joint 9, constitute Stepped Impedance
The radiation line of rabbet joint 3, not only make antenna miniaturization, reduce cross polarization, also reduce metal ground 2 size, and
And it is also possible that antenna has multiple working band, and change the low-resistance line of rabbet joint 8 and the relative length of the high resistant line of rabbet joint 9, position
Put and impedance, the position of two working bands can be adjusted respectively.The radiation line of rabbet joint 3 is formed by the grid seam 6 on metal ground 2
Periodically load, make again to radiate the line of rabbet joint 3 and become periodic slow-wave structure, further reduce the electric size of antenna；
Simultaneously because the direction of grid seam 6 is vertical with the direction of the radiation line of rabbet joint 3, it is suppressed that along the radiation line of rabbet joint 3 direction on metal ground 2
Electric current, and make the more concentration of remaining CURRENT DISTRIBUTION along the radiation line of rabbet joint 3 direction, thus reduce cross polarization
Radiation, also reduce metal ground 2 size.Owing to the radiation line of rabbet joint 3 is quarter-wave resonance structure, ratio is logical
The radiation slot length of 1/2nd wavelength of normal two terminal shortcircuits is half as large, and therefore the overall dimensions of antenna reduces the most accordingly,
Occlusion effect reduces further.
In technique, half slot antenna of grid seam ground capacitive load Stepped Impedance both can use common printed circuit board (PCB) (PCB)
Technique, it would however also be possible to employ the integrated circuit technologies such as LTCC (LTCC) technique or CMOS, Si substrate realize.
Wherein electric capacity 7 can select the patch capacitor 7 of corresponding encapsulation according to operating frequency, and according to electric capacity 7 two pins electrode
Distance, selects the width of the low-resistance line of rabbet joint 8.
In accordance with the above, the present invention can just be realized.
Claims (7)
1. half slot antenna of grid seam ground capacitive load Stepped Impedance, it is characterised in that this antenna include medium substrate (1),
Metal ground (2) being arranged on medium substrate (1) and the radiation line of rabbet joint (3), microstrip feed line (4)；Medium substrate (1)
One side be metal ground (2), the another side of medium substrate (1) is the conduction band (5) of microstrip feed line (4)；Metal ground (2)
On have a radiation line of rabbet joint (3), the shape of the radiation line of rabbet joint (3) is rectangle, the radiation line of rabbet joint (3) with being positioned at metal (2)
Center；Grid seam (6) array that upper a plurality of parallel gate seam (6) of metal ground (2) is constituted, the shape of grid seam (6) is square
Shape, grid seam is positioned at the surrounding of the radiation line of rabbet joint (3), and grid seam (6) are mutually perpendicular to the radiation line of rabbet joint (3)；Grid seam (6)
Short at one end；The other end open circuit of grid seam (6), is positioned at the edge of medium substrate (1)；The radiation line of rabbet joint (3)
Short at one end, the other end is opened a way；In the radiation line of rabbet joint (3) near open end part, there is several electric capacity (7) bridging in parallel
Two edges in the radiation line of rabbet joint (3) so that the radiation line of rabbet joint (3) is near the characteristic impedance step-down of open end part, shape
Become the low-resistance line of rabbet joint (8)；The remainder of the radiation line of rabbet joint (3) is the high resistant line of rabbet joint (9), the high resistant line of rabbet joint (9) and low-resistance groove
Seam (8) constitutes the Stepped Impedance radiation line of rabbet joint (3) together, produces a relatively low low frequency operation frequency band of frequency and a frequency
The high-frequency work frequency band that rate is higher；Metal ground (2) is also the ground plane of described microstrip feed line (4), microstrip feed line (4)
One end be the port (10) of antenna, the other end of the conduction band (5) of microstrip feed line (4) stride across the high resistant line of rabbet joint (9) and
Stretch a segment length to terminal, the open-end of microstrip feed line (4)；The conduction band (5) of microstrip feed line has two parts to constitute,
Part I conduction band (11) is the position that the port (10) from antenna has just crossed over the high resistant line of rabbet joint (9) to it, micro-strip
The remainder of the conduction band of feeder line is Part II conduction band (12).
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change thickness, pcrmeability and the dielectric constant of medium substrate (1), thus it is possible to vary the high resistant line of rabbet joint (9) and the low-resistance line of rabbet joint (8)
Characteristic impedance, change Stepped Impedance radiation the line of rabbet joint (3) height impedance ratio, and then change antenna low frequency operation frequency
The operating frequency of band and the operating frequency of high-frequency work frequency band.
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change the length of the low-resistance line of rabbet joint (8), the low-resistance line of rabbet joint (8) position in the radiation line of rabbet joint (3), radiation can be regulated
The electrical length of the line of rabbet joint (3), to realize antenna miniaturization in various degree, it is also possible to change the low frequency operation frequency band of antenna
Operating frequency and the operating frequency of high-frequency work frequency band.
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change Part II conduction band (12) length and width, thus it is possible to vary the operating frequency of antenna, the width of working band and
The electrical length of the radiation line of rabbet joint (3).
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change the adjacent gate seam spacing of (6) in grid seam (6) array, the grid seam width of (6), grid seam (6) short-circuit end from spoke
Penetrate the distance of the line of rabbet joint (3), thus it is possible to vary the operating frequency of antenna, the width of working band and the electricity of the radiation line of rabbet joint (3)
Length.
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change capacitance and the spacing of loading capacitance (7), the characteristic impedance of the low-resistance line of rabbet joint (8) can be regulated, change Stepped Impedance
The height impedance ratio of the radiation line of rabbet joint (3), and then change operating frequency and the high-frequency work frequency of the low frequency operation frequency band of antenna
The operating frequency of band.
Half slot antenna of a kind of grid the most according to claim 1 seam ground capacitive load Stepped Impedance, it is characterised in that
Change the width of the radiation line of rabbet joint (3), the low-resistance line of rabbet joint (8) and the characteristic impedance of the high resistant line of rabbet joint (9) can be regulated, change
Become Stepped Impedance radiation the line of rabbet joint (3) height impedance ratio, and then change antenna low frequency operation frequency band operating frequency and
The operating frequency of high-frequency work frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218746.9A CN105846101A (en) | 2016-04-08 | 2016-04-08 | Grid seam earth capacitance loaded step impedance half-slot antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218746.9A CN105846101A (en) | 2016-04-08 | 2016-04-08 | Grid seam earth capacitance loaded step impedance half-slot antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105846101A true CN105846101A (en) | 2016-08-10 |
Family
ID=56597871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218746.9A Pending CN105846101A (en) | 2016-04-08 | 2016-04-08 | Grid seam earth capacitance loaded step impedance half-slot antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105846101A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7123200B1 (en) * | 1990-05-02 | 2006-10-17 | Nortel Networks Limited | Sea surface antenna |
| CN101714698A (en) * | 2008-09-05 | 2010-05-26 | 索尼爱立信移动通信股份公司 | Notch antenna and wireless device |
| CN104134871A (en) * | 2014-07-22 | 2014-11-05 | 南京邮电大学 | High-isolation semi-groove slot antenna array |
-
2016
- 2016-04-08 CN CN201610218746.9A patent/CN105846101A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7123200B1 (en) * | 1990-05-02 | 2006-10-17 | Nortel Networks Limited | Sea surface antenna |
| CN101714698A (en) * | 2008-09-05 | 2010-05-26 | 索尼爱立信移动通信股份公司 | Notch antenna and wireless device |
| CN104134871A (en) * | 2014-07-22 | 2014-11-05 | 南京邮电大学 | High-isolation semi-groove slot antenna array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105896048A (en) | Three-polarization slot antenna with gate gap ground capacitor loading | |
| CN105703074A (en) | Gate slot ground coaxial feed capacitor loaded phase step impedance tri-polarization half-groove antenna | |
| CN105742822A (en) | Coplanar waveguide feed capacitor-loaded stepped impedance type half-slot antenna | |
| CN105846062A (en) | Dual-frequency gate slot ground capacitor loading stepped-impedance slot antenna | |
| CN105846101A (en) | Grid seam earth capacitance loaded step impedance half-slot antenna | |
| CN105762525A (en) | Grating slit ground coplanar waveguide-fed and capacitor-loaded stepped impedance half slot antenna | |
| CN105896045A (en) | Three-polarization semi-slot antenna with coplanar waveguide feed capacitor-loaded step impedance | |
| CN105896066A (en) | Slot antenna with gate gap ground capacitor-loaded step impedance | |
| CN105762522A (en) | Grating slit earth capacitor-loaded stepped impedance tri-polarization slot antenna | |
| CN105826670A (en) | Tipple polarized slot antenna with double-frequency grid slit earth capacitance loading step impedance | |
| CN105846093A (en) | Gate slot ground capacitive loading stepped-impedance tri-polarized semi-slot antenna | |
| CN105846100A (en) | Grid seam earth capacitance loaded half-slot antenna | |
| CN105896050A (en) | Slot antenna with gate gap ground capacitor loading | |
| CN105896059A (en) | Semi-slot antenna with dual-frequency gate gap ground capacitor-loaded step impedance | |
| CN105846064A (en) | Dual-band capacitor loading stepped-impedance tri-polarized half slot antenna | |
| CN105811094A (en) | Slot antenna with coplanar waveguide feed capacitance loading stepped impedance | |
| CN105742823A (en) | Capacitance-loaded triple-polarized slot antenna | |
| CN105846104A (en) | Grid seam earth coaxial feed capacitance loaded half-slot antenna | |
| CN105896056A (en) | Three-polarization semi-slot antenna with gate gap ground capacitor loading | |
| CN105742802A (en) | Coaxial feed capacitance-loaded step impedance slot antenna with slits | |
| CN105811095A (en) | Tri-polarization semi-slot antenna with grate slot ground coplanar waveguide feed capacitance loading stepped impedance | |
| CN105742805A (en) | Coplanar waveguide feed capacitance-loaded slot antenna with slits | |
| CN105896060A (en) | Semi-slot antenna with gate gap ground coaxial feed capacitor-loaded step impedance | |
| CN105720375A (en) | Grid slot ground coaxial feed capacitor-loaded tripolar slot antenna | |
| CN105896049A (en) | Semi-slot antenna with gate gap ground coplanar waveguide feed capacitor loading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |