CN113300102A - Conformal transmitting antenna structure for sounding rocket - Google Patents
Conformal transmitting antenna structure for sounding rocket Download PDFInfo
- Publication number
- CN113300102A CN113300102A CN202011086657.6A CN202011086657A CN113300102A CN 113300102 A CN113300102 A CN 113300102A CN 202011086657 A CN202011086657 A CN 202011086657A CN 113300102 A CN113300102 A CN 113300102A
- Authority
- CN
- China
- Prior art keywords
- antenna
- conformal
- rocket
- ware
- finding
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003491 array Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
-
- 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
-
- 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
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Details Of Aerials (AREA)
Abstract
A conformal transmitting antenna structure for a sounding rocket comprises two antenna shells with a semi-cylindrical sheet structure, wherein the two antenna shells are butted to form a complete circular ring structure, wherein, an even number of antenna arrays are transversely and uniformly distributed on the outer wall of the single antenna shell, a power divider is arranged between every two antenna arrays, the antenna signals are processed by a plurality of power dividers to finally form conformal signals, the invention uses cylindrical antenna distribution, and the antenna arrays with corresponding quantity are configured, the omnidirectional direction characteristic of the sounding rocket antenna is realized, the direction blind area angle gain is controlled within +/-3.8 degrees at the minimum when the direction blind area angle gain is more than-10 dBi, the high-precision blind area optimization angle effectively ensures that the sounding rocket can accurately communicate with the ground in the process of flying under the multi-attitude conditions of rotating flight and the like, and the flight task can be completed well and quickly.
Description
Technical Field
The invention relates to an antenna structure, in particular to a conformal transmitting antenna structure for a sounding rocket.
Background
As a transmitting terminal, which is indispensable for the model, the transmitting antenna is responsible for an important task of transmitting electromagnetic signals. Due to the space particularity of the sounding rocket, most transmitting antennas need to be designed conformally, the influence of conformality on a directional diagram is large, so that the directional transmission is adopted by most model conformal antennas to reduce the design difficulty, but in some special application occasions, the directional antennas cannot meet the use requirements of model tasks, the omnidirectional directional diagram design of the conformal antennas needs to be carried out, most of the conventional transmitting antennas are single-element directional antennas, and the related research is not carried out on the directional diagram synthesis technology of the transmitting antennas. In other applications, there are different ways to accomplish the synthesis of omnidirectional receive antenna patterns. For example: the digital moving and adding of the 10 KHz-190 KHz broadband signals can be completed by using a Hilbert filter, so that a novel low-frequency underwater communication omnidirectional receiving method is realized; in the ESM reconnaissance equipment, the omnidirectional signal receiving performance is realized by utilizing a plurality of directional antenna synthesis methods in different directions; based on the amplitude superposition signal synthesis algorithm, realizing the receiving and synthesizing processing of the Rowland C signal; a directional receiving antenna combination mode is adopted in a civil aviation system, a signal blind area caused by shielding and the like is made up, and the influence of environmental shielding on VHF communication equipment is avoided. In the flight process of the sounding rocket, the conditions of rotation and other multi-attitudes exist, in order to effectively ensure that the rocket can accurately communicate with the ground in the flight process, the directional antenna in the state can not meet the use requirement, and the omnidirectional or quasi-omnidirectional antenna is required to communicate, but all the omnidirectional or quasi-omnidirectional antennas still have the directional blind areas of the antenna at present. Therefore, there is a need to provide new conformal transmit antenna structures to greatly reduce directional shadowing of the antenna.
Disclosure of Invention
In order to solve the technical problem, the invention provides a conformal transmitting antenna structure for a sounding rocket.
The invention is realized by the following technical scheme.
The invention provides a conformal transmitting antenna structure for a sounding rocket, which comprises two antenna shells with a semi-cylindrical structure, wherein the two antenna shells are butted to form a complete circular ring structure, an even number of antenna arrays are transversely and uniformly distributed on the outer wall of a single antenna shell, a power divider is arranged between every two antenna arrays, antenna signals are processed through the power dividers to finally form conformal signals, and when the conformal transmitting antenna structure is used, the two antenna shells are butted and then installed in a fairing of the sounding rocket, and the signals are transmitted and received along with the flight of the sounding rocket.
Furthermore, a conformal metal bracket is arranged at the bottom of the antenna shell.
Further, the number of the antenna elements arranged on the outer wall of the single antenna shell is 8, the number of the arranged power dividers is 7, wherein, the 4 power dividers are respectively connected with the 8 antenna elements in two ways, the 2 power dividers are respectively connected with the power dividers of the connected antenna elements in two ways, and the last 1 power divider is connected with the power divider connected with the two power dividers, so that when signal receiving and sending are carried out, the signal processing is carried out through the last power divider on the two antenna shells.
Further, the power divider is a one-to-two power divider.
Furthermore, a plurality of screw holes which are symmetrically distributed are respectively formed in the upper end and the lower end of the antenna shell, and when the antenna shell is installed, screws penetrate through the screw holes to fixedly install the antenna shell on a fairing of the sounding rocket.
Furthermore, when the antenna is installed, the included angle between the fairing connected with the antenna shell and the axis of the sounding rocket is 1.4 degrees.
Further, the thickness of the antenna shell is 10 +/-1 mm.
Furthermore, the antenna array is symmetrically distributed on a cylindrical ring formed by connecting the shells of the two antennas.
The invention has the beneficial effects that: through the implementation of the invention, the cylindrical antennas are distributed and are configured with the corresponding number of antenna arrays, the omnidirectional direction characteristic of the sounding rocket antenna is realized, the sounding rocket antenna is quasi-omnidirectional, the directional blind area angle gain is controlled within +/-3.8 degrees at the minimum when the angle is more than-10 dBi, the high-precision blind area optimization angle effectively ensures that the sounding rocket can accurately communicate with the ground in the flying process under the multi-attitude conditions of rotating flight and the like, the flight tasks are completed well and quickly, in order to improve the high reliability of the antenna along with the system, the conformal metal support is added at the bottom of the antenna substrate to improve the shock resistance, and the environmental adaptability of the antenna is favorably enhanced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the interconnection relationship between the antenna elements and the power divider on a single antenna housing according to the present invention;
FIG. 3 is an antenna pattern of the antenna structure of the present invention in the meridian plane;
FIG. 4 is an antenna pattern of the inventive antenna structure at an equatorial plane;
in the figure: 1-antenna shell, 2-antenna array and 3-screw hole.
Detailed Description
The technical solutions of the present invention are further described below, but the scope of the claims is not limited thereto.
Principle of design
The design principle of the conformal transmitting antenna of the sounding rocket is based on total field superposition of a binary array, and comprises the following steps:
the antenna units are symmetrical oscillators, and the electric fields generated by the antenna units at a certain point of a far zone are respectively as follows:
wherein N is the number of the arrays.
If the N dipoles are equal in length and are arranged in parallel or coaxially, then
The total field of the multi-element array is as follows:
making a far field approximation: for amplitude
For phase rN＝rN-1-dcos θ. And is provided with
In the formula miIs the amplitude ratio of the two unit currents, alphaiIs the phase difference between the two cell currents if αiIf > 0, then INLags behind IN-1(ii) a If α isi1, then I ofNIn advance of IN-1(ii) a If α isiWhen the value is 0, then INAnd IN-1In phase. In this case, equation (2) can be written as:
the modulus value is:
in the formula:
for a symmetric array:
ψ＝βd cosθ-αi (8)
in the formula, psi is coherent phase difference between two unit radiation fields, and is synthesized by wave path phase difference and feed phase difference. The total field pattern of the multi-element array can be seen by the formula (5) and is obtained by multiplying a plurality of parts. The first part
Is the directional diagram function of the unit antenna; the second part
Is an array factor, and has a ratio m of cell spacing d to current amplitudeiPhase difference alphaiAnd the spatial direction angle theta, independently of the element antenna. Therefore, the principle of multiplying the direction diagram is obtained: the directional pattern function of the antenna array composed of the same unit antenna is equal to the product of the unit directional pattern function and the array factor. The structural design of the conformal transmitting antenna of the sounding rocket is carried out based on the multiplication principle of the directional diagram.
As shown in fig. 1-2, a conformal transmitting antenna structure for sounding rocket, including two antenna housing 1 of half-cylinder structure, two antenna housing 1 docks and forms complete ring structure, wherein, horizontal evenly distributed has even number antenna array 2 on the outer wall of single antenna housing 1, be provided with a merit between per two antenna array and divide the ware, divide the ware to handle antenna signal through a plurality of merits, finally form conformal signal, during the use, install in sounding rocket's radome fairing after docking two antenna housing 1, carry out the receiving and dispatching of signal along with sounding rocket flight.
Further, a conformal metal bracket is arranged at the bottom of the antenna housing 1.
As shown in fig. 2, further, 2 number of antenna elements arranged on the outer wall of the single antenna housing 1 is 8, and the number of the power divider arranged is 7, wherein 4 power dividers connect two antenna elements 2 respectively, 2 power dividers connect two power dividers connected to the antenna elements 2 respectively, and the last 1 power divider is connected to the power divider connected to two power dividers, and when performing signal transceiving, the signal processing is performed by the power divider at the end of the two antenna housings.
Further, the power divider is a one-to-two power divider.
Furthermore, a plurality of screw holes 3 which are symmetrically distributed are respectively formed in the upper end and the lower end of the antenna shell 1, and when the antenna shell is installed, screws penetrate through the screw holes 3 to fixedly install the antenna shell on a fairing of the sounding rocket.
Further, when the antenna is installed, an included angle between a fairing connected with the antenna shell 1 and the axis of the sounding rocket is 1.4 degrees.
Further, the thickness of the antenna housing 1 is 10 ± 1 mm.
Furthermore, the antenna elements 2 are symmetrically distributed on a cylindrical ring formed by connecting the two antenna shells 1.
In specific implementation, the inner diameter phi 349mm, the outer diameter phi 359mm and the height 160mm of the conformal transmitting antenna of the sounding rocket are adopted; the antenna is double-ring-shaped tube shape, and is fixedly connected with the equipment support through 32M 4 screws in the upper row and the lower row, the antenna is provided with a strip-shaped through hole, the antenna is arranged in the fairing, and the fairing is made of composite materials and is formed by winding high silica.
As can be seen from the figures 3 and 4, by using the antenna structure, an antenna directional diagram of a meridian plane presents better infinity distribution, an antenna directional diagram of an equatorial plane meets the characteristic of an omnidirectional directional diagram, the antenna directional diagram is quasi-omnidirectional, the angle gain of a direction blind zone is controlled within +/-3.8 degrees at the minimum when the angle gain is more than-10 dBi, and the high-precision blind zone optimization angle effectively ensures that a rocket can accurately communicate with the ground in the process of flying under the multi-attitude conditions of rotating flight and the like of a sounding rocket, and the flight task can be completed well and quickly.
Claims (8)
1. A conformal transmit antenna structure for a sounding rocket, comprising: including the antenna housing of two half-round column piece structures, two antenna housing docks and forms complete ring structure, wherein, horizontal evenly distributed has even number antenna array on single antenna housing's the outer wall, is provided with a merit between per two antenna array and divides the ware, divides the ware to handle antenna signal through a plurality of merits, finally forms conformal signal, during the use, with two antenna housing docks the back-mount in the radome of sounding rocket, carry out the receiving and dispatching of signal along with sounding rocket flight.
2. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the bottom of the antenna shell is provided with a conformal metal support.
3. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the antenna array number that sets up on single antenna housing's the outer wall is 8, and the ware is divided to the merit that sets up is 7, and wherein, 4 merits divide the ware to divide 8 antenna array two liang of connections respectively, and 2 merits divide the ware to divide the merit of connecting the antenna array two liang of connections respectively, and the ware is divided to last 1 merit again with the merit that is connected with two merits and divides the ware to be connected, when carrying out signal transceiver, carries out signal processing through dividing the ware to the most terminal merit on two antenna housings.
4. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the power divider is a one-to-two power divider.
5. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the upper end and the lower end of the antenna shell are respectively provided with a plurality of screw holes which are symmetrically distributed, and when the antenna shell is installed, the antenna shell is tightly installed on a fairing of the sounding rocket by penetrating screws through the screw holes.
6. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: when the antenna is installed, the included angle between the fairing connected with the antenna shell and the axis of the sounding rocket is 1.4 degrees.
7. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the thickness of the antenna shell is 10 +/-1 mm.
8. The conformal transmitting antenna structure for a space-finding rocket of claim 1, wherein: the antenna array is symmetrically distributed on a cylindrical ring formed by connecting two antenna shells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086657.6A CN113300102A (en) | 2020-10-12 | 2020-10-12 | Conformal transmitting antenna structure for sounding rocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086657.6A CN113300102A (en) | 2020-10-12 | 2020-10-12 | Conformal transmitting antenna structure for sounding rocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113300102A true CN113300102A (en) | 2021-08-24 |
Family
ID=77318304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011086657.6A Pending CN113300102A (en) | 2020-10-12 | 2020-10-12 | Conformal transmitting antenna structure for sounding rocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113300102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4184717A1 (en) * | 2021-11-18 | 2023-05-24 | Huawei Technologies Co., Ltd. | Antenna and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10126137A (en) * | 1996-10-14 | 1998-05-15 | Nippon Telegr & Teleph Corp <Ntt> | Antenna system |
| CN101281998A (en) * | 2007-10-19 | 2008-10-08 | 哈尔滨工业大学 | Millimeter wave band broadband cylinder conformal 4*4 microstrip antenna as well as design method thereof |
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN109546355A (en) * | 2018-11-28 | 2019-03-29 | 哈尔滨工业大学（威海） | A kind of characteristics of conformal printed antenna array apparatus |
-
2020
- 2020-10-12 CN CN202011086657.6A patent/CN113300102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10126137A (en) * | 1996-10-14 | 1998-05-15 | Nippon Telegr & Teleph Corp <Ntt> | Antenna system |
| CN101281998A (en) * | 2007-10-19 | 2008-10-08 | 哈尔滨工业大学 | Millimeter wave band broadband cylinder conformal 4*4 microstrip antenna as well as design method thereof |
| CN105119045A (en) * | 2015-09-10 | 2015-12-02 | 西安航天恒星科技实业(集团)公司 | L-band missile-borne conformal array antenna |
| CN109546355A (en) * | 2018-11-28 | 2019-03-29 | 哈尔滨工业大学（威海） | A kind of characteristics of conformal printed antenna array apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 邹嵘: "弹载共形阵及机载共形阵列天线研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4184717A1 (en) * | 2021-11-18 | 2023-05-24 | Huawei Technologies Co., Ltd. | Antenna and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103915679B (en) | A kind of top resonance four-arm spiral antenna | |
| CN109687116B (en) | C-band miniaturized broadband wide-beam circularly polarized microstrip antenna | |
| CN107863996B (en) | Omnidirectional array antenna and beam forming method thereof | |
| CN109216943B (en) | Direction controllable mixed mode vortex wave beam generating device based on phase modulation | |
| US20160315386A1 (en) | Sparse Phase-Mode Planar Feed for Circular Arrays | |
| CN106688141A (en) | Omnidirectional antenna for mobile communication service | |
| CN110391495A (en) | Unit cell antenna for phased array | |
| CN210296624U (en) | Circular polarization multiply wood antenna, antenna subarray and array antenna | |
| US11539145B2 (en) | Dual-polarized antenna | |
| CN101859924B (en) | Dual-band array antenna of frequency-selection-based surface resonance unit | |
| CN207475549U (en) | omni-directional array antenna | |
| US10103433B2 (en) | Phased array antenna with improved gain at high zenith angles | |
| US4555708A (en) | Dipole ring array antenna for circularly polarized pattern | |
| WO2010016799A1 (en) | Antenna for omni directional, multi-beam, high gain communication | |
| US9219309B2 (en) | Geodesic lens antenna with azimuth and elevation beamforming | |
| CN113300102A (en) | Conformal transmitting antenna structure for sounding rocket | |
| CN114050410A (en) | Circularly polarized antenna and reference station | |
| WO2019100376A1 (en) | Omnidirectional array antenna and beamforming method therefor | |
| CN109546359B (en) | Directional diagram reconfigurable phased array antenna system based on 3D printing | |
| CN107732441A (en) | Wave beam is faced upward high-gain omni-directional antenna | |
| CN113013604A (en) | Antenna and antenna array | |
| Zabunov et al. | Recent innovations in circularly polarized antennas for drone radio communication | |
| CN108832290B (en) | Three-arm circularly polarized antenna | |
| CN211045721U (en) | Antenna and antenna array | |
| CN209963241U (en) | Omnidirectional circularly polarized antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |
|
| RJ01 | Rejection of invention patent application after publication |