CN108666766A - The quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property - Google Patents
The quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property Download PDFInfo
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- CN108666766A CN108666766A CN201810445637.XA CN201810445637A CN108666766A CN 108666766 A CN108666766 A CN 108666766A CN 201810445637 A CN201810445637 A CN 201810445637A CN 108666766 A CN108666766 A CN 108666766A
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- reflector antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
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- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to a kind of quick calculation methods that the malformation of heavy caliber reflector antenna influences electrical property, the malformation that the method passes through decomposition heavy caliber reflector antenna, Deformation partition by the dominant term reflecting surface of antenna structure deformation is the displacement and rotation for each piece of panel for forming reflecting surface, the scattering directional diagram of ideally every piece of panel is calculated first, then directional diagram is scattered to it and is modified according to the displacement of every piece of panel and rotation, the scattering directional diagram of revised every piece of panel is superimposed again, obtain the directional diagram of malformation aft antenna, and then calculate the variation of reflector antenna all technical.By becoming being superimposed the two-dimensional integration of large scale, to effectively shorten calculating time of analysis.The method is suitable for the analysis that various heavy caliber reflector antenna malformations influence electrical property.
Description
Technical field
The invention discloses a kind of quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property, energy
The antenna structure that enough effectively shortens deforms the calculating time influenced on electrical property, to realize heavy caliber reflector antenna electromechanical
Change optimization, is suitable for various heavy caliber reflector antennas.
Background technology
Reflector antenna is a kind of typical high-gain aerial form, is had a wide range of applications.Reflecting surface is reflecting surface day
The important component part of line, on the one hand it belongs to electrical components, is collector/radiator of energy, on the other hand also belongs to structure
Part is influenced very big by the structure type and external environment of antenna.And the interface of electric property and structural behaviour is exactly face shape essence
Degree and relative position relation.
Currently, the analysis that influences on reflector antenna performance of environmental load generally with Shandong, hereby make by formula opposite type trueness error
At antenna efficiency loss estimated that and the influence to indexs such as secondary lobe, cross polarizations can not be analyzed effectively；Or based on best
Matching surface, such reflecting surface is only the displacement and rotation in ideally-reflecting face, and there are certain gaps for practical reflecting surface, especially
It is that the estimation error of pointing accuracy is difficult to reflect truth.
Although can accurately reflect actual influence of the environmental load to antenna performance, and energy using physioptial method
Influence of the environmental load to antenna property indices is accessed, but for the electromechanical integration of heavy caliber reflector antenna point
Analysis, this process needs to consume several or even dozens of hour, therefore can not carry out effective Optimal Structure Designing.Therefore it needs
Carrying out heavy caliber reflector antenna malformation influences quick analytical technology research, and single electrical property, which is calculated the time, to be foreshortened to point
Clock magnitude is heavy caliber reflector antenna electromechanical integration optimization design establishing techniques basis.
Invention content
It is an object of the invention to avoid the shortcoming in background technology and provide it is a kind of it is quick, comprehensive heavy caliber is anti-
It penetrates surface antenna structure and deforms the quick calculation method influenced on electrical property.
The technical solution adopted in the present invention is：
The quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property, includes the following steps：
(1) each piece of aerial panel of the composition reflecting surface scattering direction corresponding to each angle in the ideal case is calculated
Figure, and record；
(2) according to reflector antenna structure mechanics analysis as a result, determining that each piece of aerial panel is most under various operating modes
Big displacement and rotation amount calculates separately different displacement and rotation amount within the scope of maximum displacement and rotation amount
The variation of scattering the directional diagram amplitude and phase of caused aerial panel, and then determine the modifying factor of aerial panel scattering directional diagram
Son；
(3) based on reflector antenna structure mechanics analysis as a result, determine each piece of aerial panel actual displacement amount and
Rotation amount is modified the scattering directional diagram of each piece of aerial panel according to modifying factor；
(4) revised each piece of aerial panel is overlapped, obtains the directional diagram of malformation back reflection surface antenna；
(4) Specifications needed for the patterns calculating of malformation back reflection surface antenna；
Complete the quick calculating that the malformation of heavy caliber reflector antenna influences electrical property.
Wherein, the method for the modifying factor fitting function of the described panel scattering directional diagram describes or with the side of interpolation
Method determines.
It has the following advantages that compared with the background technology, the present invention：
1. the directional diagram after large aperture antenna malformation to be accurately calculated to the two dimension product of required entire reflecting surface
Point, become to add up after the two-dimensional integration modified result of each piece of panel, by becoming integral into superposition, to which the time will be calculated at least
Shorten the 2-3 order of magnitude.
2. carry out each malformation analysis, it is only necessary to the two-dimensional integration of known panel is modified, without
The two-dimensional integration for re-starting panel, to be very suitable for repeatedly analyzing, as electromechanical integration optimizes.
Description of the drawings
Fig. 1 is the principle of the present invention signal.
Fig. 2 is the flow chart of the present invention.
Specific implementation mode
Referring to Figures 1 and 2, a kind of quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property,
Include the following steps：
(1) each piece of aerial panel of the composition reflecting surface scattering direction corresponding to each angle in the ideal case is calculated
Figure, and record；
(2) according to reflector antenna structure mechanics analysis as a result, determining that each piece of aerial panel is most under various operating modes
Big displacement and rotation amount calculates separately different displacement and rotation amount within the scope of maximum displacement and rotation amount
The variation of scattering the directional diagram amplitude and phase of caused aerial panel, and then determine the modifying factor of aerial panel scattering directional diagram
Son；The panel scatters the method for the modifying factor fitting function of directional diagram to describe or be determined with the method for interpolation.
(3) based on reflector antenna structure mechanics analysis as a result, determine each piece of aerial panel actual displacement amount and
Rotation amount is modified the scattering directional diagram of each piece of aerial panel according to modifying factor；
(4) revised each piece of aerial panel is overlapped, obtains the directional diagram of malformation back reflection surface antenna；
(4) Specifications needed for the patterns calculating for the deformation back reflection surface antenna being calculated；
Complete the quick calculating that the malformation of heavy caliber reflector antenna influences electrical property.
Claims (2)
1. the quick calculation method that the malformation of heavy caliber reflector antenna influences electrical property, it is characterised in that including walking as follows
Suddenly：
(1) each piece of aerial panel of the composition reflector antenna scattering direction corresponding to each angle in the ideal case is calculated
Figure, and record；
(2) according to reflector antenna structure mechanics analysis as a result, determining under various operating modes the maximum of each piece of aerial panel
Displacement and rotation amount calculate separately different displacements and rotation amount cause within the scope of maximum displacement and rotation amount
Aerial panel scattering directional diagram amplitude and phase variation, and then determine aerial panel scattering directional diagram modifying factor；
(3) based on reflector antenna structure mechanics analysis as a result, actual displacement amount and the rotation of determining each piece of aerial panel
Amount, is modified the scattering directional diagram of each piece of aerial panel according to modifying factor；
(4) the scattering directional diagram of revised each piece of aerial panel is overlapped, obtains malformation back reflection surface antenna
Directional diagram；
(4) Specifications needed for the patterns calculating of malformation back reflection surface antenna；
Complete the quick calculating that the malformation of heavy caliber reflector antenna influences electrical property.
2. the quick calculation method that heavy caliber reflector antenna malformation according to claim 1 influences electrical property,
It is characterized in that：The method of the modifying factor fitting function of the described aerial panel scattering directional diagram describes or with interpolation
Method determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445637.XA CN108666766B (en) | 2018-05-11 | 2018-05-11 | Method for rapidly calculating influence of structural deformation of large-caliber reflector antenna on electrical performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445637.XA CN108666766B (en) | 2018-05-11 | 2018-05-11 | Method for rapidly calculating influence of structural deformation of large-caliber reflector antenna on electrical performance |
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| Publication Number | Publication Date |
|---|---|
| CN108666766A true CN108666766A (en) | 2018-10-16 |
| CN108666766B CN108666766B (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810445637.XA Active CN108666766B (en) | 2018-05-11 | 2018-05-11 | Method for rapidly calculating influence of structural deformation of large-caliber reflector antenna on electrical performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329288A (en) * | 2020-10-28 | 2021-02-05 | 中国电子科技集团公司第五十四研究所 | Structure electromagnetic integration analysis method of reflector antenna |
Citations (8)
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| JPS63308686A (en) * | 1987-06-10 | 1988-12-16 | Nec Corp | Detecting method for difference degree of pattern |
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| JP2010177887A (en) * | 2009-01-28 | 2010-08-12 | Mitsubishi Electric Corp | Antenna apparatus |
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| CN105576385A (en) * | 2016-02-02 | 2016-05-11 | 西安电子科技大学 | Gain and direction oriented large-scale deformed paraboloid antenna panel fit rotation adjusting method |
| CN106055902A (en) * | 2016-06-03 | 2016-10-26 | 西安电子科技大学 | Interval analysis method of electrical performance of reflector antenna under panel random and system error |
| CN106096208A (en) * | 2016-06-30 | 2016-11-09 | 西安电子科技大学 | The Forecasting Methodology of reflector antenna power radiation pattern excursion |
| CN106202657A (en) * | 2016-06-30 | 2016-12-07 | 西安电子科技大学 | The electrical behavior prediction method of Blast Loading lower plane array antenna |
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2018
- 2018-05-11 CN CN201810445637.XA patent/CN108666766B/en active Active
Patent Citations (8)
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| JPS63308686A (en) * | 1987-06-10 | 1988-12-16 | Nec Corp | Detecting method for difference degree of pattern |
| EP0471362A2 (en) * | 1990-08-15 | 1992-02-19 | Mitsubishi Denki Kabushiki Kaisha | Reflector with passive and active temperature compensation |
| JP2010177887A (en) * | 2009-01-28 | 2010-08-12 | Mitsubishi Electric Corp | Antenna apparatus |
| CN102998540A (en) * | 2012-10-22 | 2013-03-27 | 西安电子科技大学 | Forecasting method for influences, on electrical performances, of array surface morphology of conformal load-bearing microstrip antenna |
| CN105576385A (en) * | 2016-02-02 | 2016-05-11 | 西安电子科技大学 | Gain and direction oriented large-scale deformed paraboloid antenna panel fit rotation adjusting method |
| CN106055902A (en) * | 2016-06-03 | 2016-10-26 | 西安电子科技大学 | Interval analysis method of electrical performance of reflector antenna under panel random and system error |
| CN106096208A (en) * | 2016-06-30 | 2016-11-09 | 西安电子科技大学 | The Forecasting Methodology of reflector antenna power radiation pattern excursion |
| CN106202657A (en) * | 2016-06-30 | 2016-12-07 | 西安电子科技大学 | The electrical behavior prediction method of Blast Loading lower plane array antenna |
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| Title |
|---|
| W. WANG 等: "Optimal Surface Adjustment by the Error-Transformation Matrix for a Segmented-Reflector Antenna", 《IEEE ANTENNAS AND PROPAGATION MAGAZINE》 * |
| 宋立伟等: "表面误差对反射面天线电性能的影响", 《电子学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329288A (en) * | 2020-10-28 | 2021-02-05 | 中国电子科技集团公司第五十四研究所 | Structure electromagnetic integration analysis method of reflector antenna |
| CN112329288B (en) * | 2020-10-28 | 2022-08-12 | 中国电子科技集团公司第五十四研究所 | Structure electromagnetic integration analysis method of reflector antenna |
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| CN108666766B (en) | 2020-06-09 |
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