CN102104191A - Homocentric ring antenna array based on realization of central concave directional diagram - Google Patents
Homocentric ring antenna array based on realization of central concave directional diagram Download PDFInfo
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- CN102104191A CN102104191A CN2010105473959A CN201010547395A CN102104191A CN 102104191 A CN102104191 A CN 102104191A CN 2010105473959 A CN2010105473959 A CN 2010105473959A CN 201010547395 A CN201010547395 A CN 201010547395A CN 102104191 A CN102104191 A CN 102104191A
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Abstract
The invention discloses a homocentric ring antenna array based on the realization of a central concave directional diagram, comprising a coaxial feed end of orthogonal phase feed, a square patch, a first antenna unit group, a second antenna unit group and a third antenna unit group. The coaxial feed end of the orthogonal phase feed is fixed on an FR4 medium connected with the square patch through a coaxial probe penetrating through the FR4 medium to form antenna radiation units, and the first antenna unit group, the second antenna unit group and the third antenna unit group in different radii are formed by the antenna radiation units and form a homocentric ring antenna array. The first antenna array provided by the invention is convenient to feed, and all the antenna radiation units feed in the same phase based on the orthogonal phase feed through the rotation of the antenna unit on the outmost circle at 180 degrees. Another antenna array has the advantages of arraying symmetry and great improvement on the polarizability and the amplitude response of signals received by users on the ground.
Description
Technical field
The present invention relates to antenna array, relate in particular to a kind of based on the donut antenna array of realizing the central concave directional diagram.
Background technology
In satellite antenna, realize that the radiation characteristic of central concave directional diagram is of crucial importance with communicating by letter of ground for satellite.Because of the earth is spherical, satellite antenna on assurance space track can be realized the signal communication of homogenous quantities with ground each user, need then to guarantee that each user is the same when received signal strength signal intensity, because the restriction of sphere, then requiring the aerial radiation characteristic is that the visual angle, dead ahead is gradual depression.Axial ratio is less than 3 quadrature feed square patch antenna in 0～85 ° of elevation coverage, when this antenna was realized left-hand circular polarization, antenna is rotated counterclockwise aerial radiation characteristic that certain angle obtains and the antenna of the not rotation angle of rotating that superposes on original current feed phase be consistent as the aerial radiation characteristic that new current feed phase obtains.When antenna was realized right-handed circular polarization, antenna then needed certain angle that turns clockwise, and Xuan Zhuan antenna is not after the original phase stack anglec of rotation is as new current feed phase, and both are only unanimity at radiation characteristic.Utilize this principle, proposed two kinds of antenna arrays that utilize revolving property to realize central concave directional diagram radiation characteristic, simple in structure, motor rotary antenna unit is convenient, can be used for satellite antenna, has strengthened the flexibility and the practicality of satellite antenna design.
Summary of the invention
The purpose of this invention is to provide two kinds based on the donut antenna array of realizing the central concave directional diagram.
A kind of coaxial feed end, square patch, the first antenna element group, the second antenna element group, third antenna unit group that comprises the quadrature phase feed based on the donut antenna array of realizing the central concave directional diagram; The coaxial feed end of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch and constitutes antenna radiation unit, form the first antenna element group, the second antenna element group, the third antenna unit group of different radii respectively by antenna radiation unit, constitute the donut antenna array by the first antenna element group, the second antenna element group, third antenna unit group.
The described first antenna element group, the second antenna element group are made up of the antenna radiation unit of putting in the same way, third antenna unit group by with the first antenna element group in the antenna radiation unit oppositely put of antenna radiation unit form.The described first antenna element group, the second antenna element group, third antenna unit group homophase feed on the basis of antenna radiation unit quadrature phase feed.
Another kind of coaxial feed end, square patch, the 4th antenna element group, the 5th antenna element group, the 6th antenna element group that comprises the quadrature phase feed based on the donut antenna array of realizing the central concave directional diagram; The coaxial feed end of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch and constitutes antenna radiation unit, form the 4th antenna element group, the 5th antenna element group, the 6th antenna element group of different radii respectively by antenna radiation unit, constitute the donut antenna array by the 4th antenna element group, the 5th antenna element group, the 6th antenna element group.
Described the 4th antenna element group is to be pivot by 4 antenna radiation units initially putting in the same way with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 0 °, 90 °, 180 ° and 270 ° of compositions from 1 reference antenna unit wherein.
Described the 5th antenna element group is to be pivot by 8 antenna radiation units initially putting in the same way with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° of compositions from 1 reference antenna unit wherein.
Described the 6th antenna element group 8 is to be pivot by 16 antenna radiation units initially putting in the same way in the counterclockwise direction with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 180 °, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 °, 337.5 °, 360 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 ° and 157.5 ° of compositions from 1 reference antenna unit wherein.
4 antenna radiation units of described the 4th antenna element group are that reference point superposes 90 °, 180 °, 270 ° and 360 ° in the counterclockwise direction successively as new current feed phase with the reference antenna unit of the 5th antenna element group on the basis of antenna radiation unit quadrature phase feed.
To be reference point with the reference antenna unit of the 5th antenna element group on the basis of antenna radiation unit quadrature phase feed begin to superpose successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° as new current feed phase from reference point to 8 antenna radiation units of described the 5th antenna element group.
To be reference point with the reference antenna unit of the 6th antenna element group on the basis of antenna radiation unit quadrature phase feed begin to superpose successively in the counterclockwise direction 0 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, 180 °, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 ° and 337.5 ° as new current feed phase from reference point to 16 antenna radiation units of described the 6th antenna element group.
First kind of donut antenna array feed based on realization central concave directional diagram of the present invention is convenient, and by 180 ° of rotations of outmost turns antenna element, all antenna radiation units adopt the driving source feed of homophase on the basis of quadrature phase feed.Another kind of advantage based on the donut antenna array of realizing the central concave directional diagram is the symmetry of this method of structuring the formation, and the user received on the ground polarizations rate and amplitude response all have bigger improvement.
Description of drawings
Fig. 1 is a kind of based on the donut antenna array vertical view of realizing the central concave directional diagram;
Fig. 2 is another kind of based on the donut antenna array vertical view of realizing the central concave directional diagram;
Fig. 3 is an antenna radiation unit end view of the present invention;
Fig. 4 is an antenna radiation unit vertical view of the present invention;
Among the figure: coaxial feed end 1, square patch radiating element 2, the first antenna element group 3, the second antenna element group 4, third antenna unit group 5, the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8.
Embodiment
Two kinds of donut antenna arrays of the present invention based on realization central concave directional diagram.Be to differ 180 ° by the revolving property assurance nexine two circle antennas of antenna and the antenna relative phase of outmost turns, the radiation characteristic that the Internal and external cycle antenna element forms can be cancelled out each other in the directional diagram central area, form depression, form the central concave directional diagram by controlling three circle antenna element group amplitudes.
Shown in Fig. 1,3,4, a kind of coaxial feed end 1, square patch 2, the first antenna element group 3, the second antenna element group 4, third antenna unit group 5 that comprises the quadrature phase feed based on the donut antenna array of realizing the central concave directional diagram; The coaxial feed end 1 of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch 2 and constitutes antenna radiation unit, form the first antenna element group 3, the second antenna element group 4, the third antenna unit group 5 of different radii respectively by antenna radiation unit, constitute the donut antenna array by the first antenna element group 3, the second antenna element group 4, third antenna unit group 5.
The described first antenna element group 3, the second antenna element group 4 are made up of the antenna radiation unit of putting in the same way, third antenna unit group 5 by with the first antenna element group 3 in the antenna radiation unit oppositely put of antenna radiation unit form.The described first antenna element group 3, the second antenna element group 4, third antenna unit group 5 homophase feed on the basis of antenna radiation unit quadrature phase feed.
Shown in Fig. 2,3,4, another kind of coaxial feed end 1, square patch 2, the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8 that comprises the quadrature phase feed based on the donut antenna array of realizing the central concave directional diagram; The coaxial feed end 1 of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch 2 and constitutes antenna radiation unit, form the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8 of different radii respectively by antenna radiation unit, constitute the donut antenna array by the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8.
Described the 4th antenna element group 6 is to be pivot by 4 antenna radiation units initially putting in the same way with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 0 °, 90 °, 180 ° and 270 ° of compositions from 1 reference antenna unit wherein.Described the 5th antenna element group 7 is to be pivot by 8 antenna radiation units initially putting in the same way with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° of compositions from 1 reference antenna unit wherein.Described the 6th antenna element group 8 is to be pivot by 16 antenna radiation units initially putting in the same way in the counterclockwise direction with the antenna array geometric center, begins to horizontally rotate counterclockwise successively in the counterclockwise direction 180 °, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 °, 337.5 °, 360 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 ° and 157.5 ° of compositions from 1 reference antenna unit wherein.4 antenna radiation units of described the 4th antenna element group 6 are that reference point superposes 90 °, 180 °, 270 ° and 360 ° in the counterclockwise direction successively as new current feed phase with the reference antenna unit of the 5th antenna element group 6 on the basis of antenna radiation unit quadrature phase feed.To be reference point with the reference antenna unit of the 5th antenna element group 7 on the basis of antenna radiation unit quadrature phase feed begin to superpose successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° as new current feed phase from reference point to 8 antenna radiation units of described the 5th antenna element group 7.To be reference point with the reference antenna unit of the 6th antenna element group 8 on the basis of antenna radiation unit quadrature phase feed begin to superpose successively in the counterclockwise direction 0 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, 180 °, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 ° and 337.5 ° as new current feed phase from reference point to 16 antenna radiation units of described the 6th antenna element group 8.
Antenna Design relevant parameter of the present invention relates generally to as follows: the feed amplitude of the first antenna element group 3, the second antenna element group 4, third antenna unit group 5, the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8 is respectively A
3, A
4, A
5, A
6, A
7And A
8The radius of the first antenna element group 3, the second antenna element group 4, third antenna unit group 5, the 4th antenna element group 6, the 5th antenna element group 7, the 6th antenna element group 8 is respectively r
3, r
4, r
5, r
6, r
7And r
8Can require to be provided with r according to lobe width
3, r
4, r
5, r
6, r
7And r
8, as long as guarantee that the mutual coupling between antenna element is smaller.The effect of the first antenna element group 3 and the second antenna element group 4 is to provide gain to first kind based on the donut antenna array of realizing the central concave directional diagram, and the effect of third antenna unit group 5 is to change first kind of pattern shapes based on the formed antenna of donut antenna array of realizing the central concave directional diagram.The effect of the 4th antenna element group 6 and the 5th antenna element group 7 is to provide gain to another kind based on the donut antenna array of realizing the central concave directional diagram, and the effect of the 6th antenna element group 8 is to change another kind of pattern shapes based on the formed antenna of donut antenna array of realizing the central concave directional diagram.If will make antenna pattern central concave degree near 1.5dB, it is as follows that first kind of parameter based on the donut antenna array of realizing the central concave directional diagram can be set: A
4≈ A
3, A
5≈ 0.3A
3, r
4≈ 1.5r
3, r
5≈ 6r
3It is as follows that another kind of parameter based on the donut antenna array of realizing the central concave directional diagram can be set: A
7≈ A
6, A
8≈ 0.3A
6, r
8≈ 6r
6, r
7≈ 1.5r
6Can change the directional diagram that these parameters realize desired central concave degree as requested.
Claims (10)
1. one kind based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that comprising coaxial feed end (1), square patch (2), the first antenna element group (3), the second antenna element group (4), the third antenna unit group (5) of quadrature phase feed; The coaxial feed end (1) of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch (2) and constitutes antenna radiation unit, form the first antenna element group (3), the second antenna element group (4), the third antenna unit group (5) of different radii respectively by antenna radiation unit, constitute the donut antenna array by the first antenna element group (3), the second antenna element group (4), third antenna unit group (5).
2. according to claim 1 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that the described first antenna element group (3), the second antenna element group (4) be made up of the antenna radiation unit of putting in the same way, third antenna unit group (5) by with the first antenna element group (3) in the antenna radiation unit oppositely put of antenna radiation unit form.
3. according to claim 1 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that the described first antenna element group (3), the second antenna element group (4), third antenna unit group (5) homophase feed on the basis of antenna radiation unit quadrature phase feed.
4. one kind based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that comprising coaxial feed end (1), square patch (2), the 4th antenna element group (6), the 5th antenna element group (7), the 6th antenna element group (8) of quadrature phase feed; The coaxial feed end (1) of quadrature phase feed is fixed on the FR4 medium, coaxial probe through passing the FR4 medium links to each other with square patch (2) and constitutes antenna radiation unit, form the 4th antenna element group (6), the 5th antenna element group (7), the 6th antenna element group (8) of different radii respectively by antenna radiation unit, constitute the donut antenna array by the 4th antenna element group (6), the 5th antenna element group (7), the 6th antenna element group (8).
5. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that described the 4th antenna element group (6) is is pivot by 4 antenna radiation units initially putting in the same way with the antenna array geometric center, begin to horizontally rotate 0 °, 90 °, 180 ° and 270 ° of compositions in the counterclockwise direction successively counterclockwise from 1 reference antenna unit wherein.
6. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that described the 5th antenna element group (7) is is pivot by 8 antenna radiation units initially putting in the same way with the antenna array geometric center, begin to horizontally rotate counterclockwise successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° of compositions from 1 reference antenna unit wherein.
7. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that described the 6th antenna element group (8) is is pivot by 16 antenna radiation units initially putting in the same way in the counterclockwise direction with the antenna array geometric center, begin to horizontally rotate 180 ° successively counterclockwise in the counterclockwise direction from 1 reference antenna unit wherein, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 °, 337.5 °, 360 °, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 ° and 157.5 ° of compositions.
8. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, 4 antenna radiation units that it is characterized in that described the 4th antenna element group (6) are that reference point superposes 90 °, 180 °, 270 ° and 360 ° in the counterclockwise direction successively as new current feed phase with the reference antenna unit of the 4th antenna element group (6) on the basis of antenna radiation unit quadrature phase feed.
9. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, to be reference point with the reference antenna unit of the 5th antenna element group (7) on the basis of antenna radiation unit quadrature phase feed begin to superpose successively in the counterclockwise direction 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° as new current feed phase from reference point to 8 antenna radiation units that it is characterized in that described the 5th antenna element group (7).
10. according to claim 4 a kind of based on the donut antenna array of realizing the central concave directional diagram, it is characterized in that 16 antenna radiation units reference antenna unit with the 6th antenna element group (8) on the basis of antenna radiation unit quadrature phase feed of described the 6th antenna element group (8) is that reference point begins to superpose successively in the counterclockwise direction 0 ° from reference point, 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, 180 °, 202.5 °, 225 °, 247.5 °, 270 °, 292.5 °, 315 ° and 337.5 ° of current feed phases that conduct is new.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103000991A (en) * | 2011-09-09 | 2013-03-27 | 中国航天科工集团第三研究院第八三五七研究所 | Miniature multiple anti-interference Beidou antenna array |
| GB2513334B (en) * | 2012-10-05 | 2017-02-08 | Qualcomm Technologies Int Ltd | A segmented patch antenna |
| CN107104274A (en) * | 2017-04-06 | 2017-08-29 | 上海交通大学 | The wide angle array beamses scanning circular polarised array antenna in the broadband of low section |
| CN107275800A (en) * | 2017-05-16 | 2017-10-20 | 南京航空航天大学 | A kind of antenna structure of extensive MIMO array |
| CN110892580A (en) * | 2017-07-14 | 2020-03-17 | 苹果公司 | Multiband millimeter wave antenna array |
| CN111682301A (en) * | 2020-05-21 | 2020-09-18 | 电子科技大学 | Electromagnetic flying ring generator based on annular antenna array |
| CN113451786A (en) * | 2021-06-25 | 2021-09-28 | 重庆两江卫星移动通信有限公司 | Control method for compact feed network and circularly polarized antenna array |
| CN114843797A (en) * | 2022-04-12 | 2022-08-02 | 中国电子科技集团公司第十研究所 | Large-spacing array antenna based on subarray-level hybrid arrangement and design method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000991A (en) * | 2011-09-09 | 2013-03-27 | 中国航天科工集团第三研究院第八三五七研究所 | Miniature multiple anti-interference Beidou antenna array |
| GB2513334B (en) * | 2012-10-05 | 2017-02-08 | Qualcomm Technologies Int Ltd | A segmented patch antenna |
| CN107104274A (en) * | 2017-04-06 | 2017-08-29 | 上海交通大学 | The wide angle array beamses scanning circular polarised array antenna in the broadband of low section |
| CN107275800A (en) * | 2017-05-16 | 2017-10-20 | 南京航空航天大学 | A kind of antenna structure of extensive MIMO array |
| CN110892580A (en) * | 2017-07-14 | 2020-03-17 | 苹果公司 | Multiband millimeter wave antenna array |
| CN110892580B (en) * | 2017-07-14 | 2021-12-14 | 苹果公司 | Multiband millimeter wave antenna array |
| CN111682301A (en) * | 2020-05-21 | 2020-09-18 | 电子科技大学 | Electromagnetic flying ring generator based on annular antenna array |
| CN113451786A (en) * | 2021-06-25 | 2021-09-28 | 重庆两江卫星移动通信有限公司 | Control method for compact feed network and circularly polarized antenna array |
| CN114843797A (en) * | 2022-04-12 | 2022-08-02 | 中国电子科技集团公司第十研究所 | Large-spacing array antenna based on subarray-level hybrid arrangement and design method |
| CN114843797B (en) * | 2022-04-12 | 2023-08-08 | 中国电子科技集团公司第十研究所 | Large-space array antenna based on subarray-level mixed array and design method |
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