CN106935981B - It is a kind of to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation - Google Patents
It is a kind of to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation Download PDFInfo
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- CN106935981B CN106935981B CN201710302483.4A CN201710302483A CN106935981B CN 106935981 B CN106935981 B CN 106935981B CN 201710302483 A CN201710302483 A CN 201710302483A CN 106935981 B CN106935981 B CN 106935981B
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Abstract
The present invention provides a kind of rotation and structures the formation wave guide slot array antenna column and preparation method thereof, and rotation provided by the invention wave guide slot array antenna column of structuring the formation include at least two Waveguide slot antennas, and angle is identical between the adjacent Waveguide slot antenna, and is not equal to 0.
Description
Technical field
The present invention relates to field of antenna, in particular to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation.
Background technique
Waveguide slot antenna have it is compact-sized, take up space that small, radiation efficiency is high, power capacity is big, reliability is high etc.
The specific functions such as narrow beam, shaped-beam, Sidelobe may be implemented by the Aperture distribution of control Waveguide slot antenna in advantage,
These advantages make Waveguide slot antenna phased-array radar, in terms of have a wide range of applications.
One or several narrow slit is opened on the conducting wall of waveguide, and electromagnetic wave can be made to radiate by gap to the external space, from
And a kind of antenna is formed, this antenna is known as Waveguide slot antenna.At gap, a part of surface current bypasses gap, separately
A part flows through gap along former direction in the form of displacement current, and the power line of displacement current will be radiated to the external space, here it is
The basic principle of Waveguide slot antenna work.According to the difference of slot element spacing and feeding classification, mainly there is harmonic oscillation type gap
Battle array and two class group formation formula of disresonance type lap gating system.
By taking the resonant mode that broadside cracks as an example, the section of waveguide is rectangle, and two groups of rectangle are broadside while longer in,
Relatively narrow side is narrow side, and broadside, which cracks, to refer to cracking on the conducting wall that waveguide includes broadside, in half Gao Bo of rectangle
It cracks on the broadside led, could be formed with the radiation characteristic of rule.General Waveguide slot antenna can be from the bottom of waveguide broadside
Centre feed can also be fed from one side port.Because being provided with multiple gaps in a waveguide, respectively as radiating element, because
This single Waveguide slot antenna may be considered an one dimensional linear array.The radiation characteristic of single waveguide is also similar to one dimensional linear array, humorous
Vibration formula Waveguide slot refer to have the gap all same port motivated, so greatest irradiation direction is vertical with antenna axis.
A plurality of Waveguide slot antenna is placed side by side, slab guide slot antenna array, every waveguide independence can be formed
Feed, controls the feed amplitude of waveguide, the one-dimensional scanning of wave beam may be implemented.It is same due in resonant mode Waveguide slot antenna
The gap phase of different location in a waveguide be it is fixed, can not individually control, therefore Waveguide slot antenna only has one-dimensional sweep
Retouch ability.If realizing the planar cover of directional diagram, cooperative mechanical turntable is needed.
Summary of the invention
Problems solved by the invention is that existing slab guide slot array is classified as realization directional diagram planar cover, is needed
The rotation of cooperative mechanical turntable；For solve described problem, the present invention provide it is a kind of rotation structure the formation wave guide slot array antenna column.
The wave guide slot array antenna column of structuring the formation provided by the invention that rotate include: at least two Waveguide slot antennas, adjacent institute
It is identical to state angle between Waveguide slot antenna, and is not equal to 0.
Further, the waveguide of described Waveguide slot antenna one end is closed to form short circuit, and other end passes through SMA coaxial connector
Feed.
Further, the Waveguide slot antenna uses the waveguide of BJ100 model.
Further, using 31 Waveguide slot antennas, the width of the Waveguide slot antenna is 10.668mm, a height of
5.328mm, gap width 1mm, gap spacing are 10.3mm, and each amount of bias is different between 0.2mm-0.8mm, gap length
For 7.5mm, quantity is 32.Angle between adjacent waveguide slot antenna is 3 °.
Further, the waveguide slit is located at Waveguide slot antenna broadside, and orientation is parallel to each other.
The present invention also provides the rotation structure the formation wave guide slot array antenna column production method, comprising:
Step 1: providing at least two waveguides, all slit spacing phases slotted in the waveguide conducting wall broadside
Deng, it is parallel to each other, formation Waveguide slot antenna；
Step 2: the Waveguide slot antenna is successively arranged side by side, form wave guide slot array antenna column；
Step 3: the axis that all Waveguide slot antennas except first Waveguide slot antenna are arranged around wave guide slot array antenna
Line rotates an angle not equal to 0；Again by all Waveguide slot antennas except first and second Waveguide slot antennas around wave
The axis of seam guide gap aerial array rotates same angle, until what the last one Waveguide slot antenna was arranged around wave guide slot array antenna
Axis rotates same angle；It is formed and rotates wave guide slot array antenna column of structuring the formation.
The present invention also provides the rotation structure the formation wave guide slot array antenna column production method, comprising: in a rectangle
Every waveguide corresponding position fluting, is mounted on single waveguide in tooling with determining angle in tooling, so according to
It is secondary that every waveguide is mounted in tooling, form wave guide slot array antenna column.
The invention has the advantages that
The present invention proposes that a kind of rotation of semi physical is structured the formation waveguide gap array, under conditions of not needing mechanical turntable,
Realize the pectination wave beam of the planar cover of antenna beam.The present invention makes spaceborne applied in satellite over the ground high data rate communication
Antenna realizes the two dimensional beam covering of ± 45 ° of pitch angles over the ground.
Detailed description of the invention
Fig. 1 is that the structure of the Waveguide slot antenna provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation is shown
It is intended to；
Fig. 2 is the unit of the Waveguide slot antenna provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation
(i.e. Waveguide slot antenna) directional diagram；
Fig. 3 is the unit 3D of the Waveguide slot antenna provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation
Directional diagram；
Fig. 4 is the side view provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；
Fig. 5 is the front view provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；
Fig. 6 is aerial array mounting tool provided in an embodiment of the present invention；
Fig. 7 is the H side gains directional diagram provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；
Fig. 8 is the radiation three-dimensional figure provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；
Fig. 9 is the three-dimensional figure provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation in sinusoidal coordinate
Projection under system.
Specific embodiment
Hereinafter, spirit and substance of the present invention are further elaborated in conjunction with the accompanying drawings and embodiments.
It can be seen from background technology that existing Waveguide slot antenna is divided into resonant mode waveguide according to gap spacing and feeding classification and stitches
Gap antenna and two kinds of disresonance type Waveguide slot antenna, in the present embodiment by taking resonant mode Waveguide slot antenna as an example, to the present invention
Wave guide slot array antenna column of structuring the formation are rotated provided by embodiment to be further elaborated.The parameter of Waveguide slot antenna: slit width
Degree, gap spacing, amount of bias and gap length determine the resonance and radiation characteristic of Waveguide slot antenna, and four parameters can be with
It is asked according to the Classical Equation that R.S.Elliott is proposed in the case where ignoring mutual coupling between gap and waveguide wall thickness influences
Solution.
In one embodiment of the present of invention in, the Waveguide slot antenna uses the waveguide of BJ100 model, is stitched according to Taylor
Gap amplitude distribution function calculates theoretical conductance distribution；Gap conductance function is gone out by extracting parameter model extraction again, so that it is determined that
The offset in each gap.As shown in Figure 1, the width of the Waveguide slot antenna is 10.668mm, a height of in the present embodiment
5.328mm, gap width 1mm, gap spacing are 10.3mm, and each amount of bias is different, and between 0.2mm-0.8mm, gap is long
Degree is 7.5mm, has 32 gaps in every waveguide.The waveguide of described Waveguide slot antenna one end is closed to form short circuit, other end
Waveguide is fed by SMA coaxial connector.Fig. 2 is the wave provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation
Lead the element pattern of slot antenna；Fig. 3 is the waveguide provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation
The unit 3D directional diagram of slot antenna；Waveguide slot antenna module gain provided in an embodiment of the present invention is 21.8dB, maximum other
Valve is -6.8dB.
To realize antenna beam without planar cover under the conditions of mechanical rotary stage, the embodiment of the present invention, which provides, rotates wave of structuring the formation
Seam guide gap aerial array, the wave guide slot array antenna of structuring the formation that rotates are arranged by least two Waveguide slot antennas, the waveguide seam
Gap center of antenna is in same straight line, and since second waveguide, each Waveguide slot antenna is successively around straight line rotation where center
One angle, rotation angle constitute arithmetic progression, and waveguide can be from arbitrarily starting counting on one side.
Such as Fig. 4, shown in Fig. 5, in the present embodiment, using 31 Waveguide slot antennas, between adjacent waveguide slot antenna
Angle be 3 °, specific production method are as follows: by 31 Waveguide slot antennas along narrow side laid out in parallel, gap is not blocked, formed wave
Seam guide gap aerial array；2nd to 31 Waveguide slot antenna is rotated 3 ° around the axis that wave guide slot array antenna arranges；Again by the 3rd
3 ° are rotated around the axis that wave guide slot array antenna arranges to 31 Waveguide slot antennas, until 31 Waveguide slot antennas are stitched around waveguide
The axis of gap aerial array rotates 3 °；It is formed and rotates wave guide slot array antenna column of structuring the formation.
In other embodiments of the invention, mounting tool shown in fig. 6 can also be provided, the mounting tool can be
Rectangle tooling, every waveguide corresponding position fluting, is mounted on single waveguide with determining angle in rectangle tooling
In tooling, so successively every waveguide is mounted in tooling, forms wave guide slot array antenna column.
Fig. 7 is the H side gains directional diagram provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；Fig. 8 is
The radiation three-dimensional figure provided in an embodiment of the present invention for rotating wave guide slot array antenna column of structuring the formation；Fig. 9 provides for the embodiment of the present invention
Rotation structure the formation projection of the three-dimensional figure under sinusoidal coordinate system of wave guide slot array antenna column.It, can be in conjunction with Fig. 7 to Fig. 9
Find out that the wave guide slot array antenna column of structuring the formation provided in an embodiment of the present invention that rotate, can by rotation mode arrangement Waveguide slot antenna
With along the face narrow side H by the antenna pattern of different waveguide side by side, thus make aerial array formed a pectination antenna pattern,
Realize high-gain covering within the scope of ± 45 ° of two dimension, antenna of the invention realizes that in the range of [- 46.3,47.1], gain is greater than
17dB。
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (6)
- The wave guide slot array antenna column 1. a kind of rotation is structured the formation, which is characterized in that including at least two Waveguide slot antennas, adjacent institute It is identical to state angle between Waveguide slot antenna, and is not equal to 0；Production method include: Step 1: provide at least two waveguides, Slotted in the waveguide conducting wall broadside, all slit spacing are equal, are parallel to each other, and form Waveguide slot antenna；Step Two, the Waveguide slot antenna is successively arranged side by side, form wave guide slot array antenna column；Step 3: by first Waveguide slot day All Waveguide slot antennas rotate an angle not equal to 0 around the axis that wave guide slot array antenna arranges except line；Again by first Same angle is rotated around the axis that wave guide slot array antenna arranges with all Waveguide slot antennas except second Waveguide slot antenna, Until the last one Waveguide slot antenna rotates same angle around the axis that wave guide slot array antenna arranges；It is formed and rotates waveguide of structuring the formation Slot antenna array.
- The wave guide slot array antenna column 2. rotation according to claim 1 is structured the formation, which is characterized in that the Waveguide slot antenna Closed at one end, other end uses SMA probe feed.
- The wave guide slot array antenna column 3. rotation according to claim 1 is structured the formation, which is characterized in that the Waveguide slot antenna Using BJ100 model waveguide.
- The wave guide slot array antenna column 4. rotation according to claim 3 is structured the formation, which is characterized in that use 31 Waveguide slots Antenna, the waveguide width of the Waveguide slot antenna are 10.668mm, a height of 5.328mm, are provided on every Waveguide slot antenna 32 gaps, gap width 1mm, gap length 7.5mm, gap spacing are 10.3mm, gap amount of bias 0.2mm- 0.8mm, the angle between adjacent waveguide slot antenna is 3 °.
- The wave guide slot array antenna column 5. rotation according to claim 3 is structured the formation, which is characterized in that the waveguide slit is located at Waveguide slot antenna broadside, orientation are parallel to each other, and all slits are fed by the same port on same Waveguide slot antenna.
- 6. the production method according to wave guide slot array antenna column of structuring the formation are rotated provided by any one of claim 1 to 5, It is characterized in that, rectangle tooling is provided, have in the rectangle tooling and the one-to-one groove of Waveguide slot antenna；By Waveguide slot Antenna is sequentially arranged in tooling, forms wave guide slot array antenna column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302483.4A CN106935981B (en) | 2017-05-02 | 2017-05-02 | It is a kind of to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302483.4A CN106935981B (en) | 2017-05-02 | 2017-05-02 | It is a kind of to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation |
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| Publication Number | Publication Date |
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| CN106935981A CN106935981A (en) | 2017-07-07 |
| CN106935981B true CN106935981B (en) | 2019-07-23 |
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| CN201710302483.4A Expired - Fee Related CN106935981B (en) | 2017-05-02 | 2017-05-02 | It is a kind of to rotate wave guide slot array antenna column and preparation method thereof of structuring the formation |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7233297B1 (en) * | 2004-07-13 | 2007-06-19 | Hrl Laboratories, Llc | Steerable radial line slot antenna |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070045242A1 (en) * | 2005-08-25 | 2007-03-01 | Naohisa Goto | Plasma processing apparatus and processing method, and flat panel display manufacturing method |
| US9136608B2 (en) * | 2006-08-11 | 2015-09-15 | Furuno Electric Company Limited | Slot array antenna |
| JP2016058790A (en) * | 2014-09-05 | 2016-04-21 | パナソニック株式会社 | Array antenna and device using the same |
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2017
- 2017-05-02 CN CN201710302483.4A patent/CN106935981B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7233297B1 (en) * | 2004-07-13 | 2007-06-19 | Hrl Laboratories, Llc | Steerable radial line slot antenna |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
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| CN106935981A (en) | 2017-07-07 |
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