CN105826660A - Dual-frequency communication-in-motion satellite receiving antenna system - Google Patents
Dual-frequency communication-in-motion satellite receiving antenna system Download PDFInfo
- Publication number
- CN105826660A CN105826660A CN201610395541.8A CN201610395541A CN105826660A CN 105826660 A CN105826660 A CN 105826660A CN 201610395541 A CN201610395541 A CN 201610395541A CN 105826660 A CN105826660 A CN 105826660A
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- antenna
- antenna array
- low noise
- satellite
- noise amplification
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- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention belongs to the field of design of vehicle-mounted and shipborne communication-in-motion satellite receiving antennae and particularly provides a dual-frequency communication-in-motion satellite receiving antenna system. Aerial radiation array planes adopt a common chassis and a servo system, a pair of low-profile antenna array planes is installed back to back, azimuth plane rotation is achieved through the common rotating chassis and an azimuth control motor, and meanwhile pitch plane rotation is achieved by adopting a common mechanical pitching structure and a pitching control motor. A low noise amplification module of a relevant frequency band is added to behind each antenna array plane, and combining and switching functions of outputs of two low noise amplification modules are achieved through a switching control unit on the chassis. In the application scenario of receiving of multi-frequency-band forwarding services provided by multiple satellites, the single satellite receiving antenna system can receive multi-frequency satellite signals of the multiple satellites through the double antenna array planes sharing the servo system and installed back to back, has the advantages of having a low-profile structure, making control and power interfaces used in common and being simple and convenient to install and the like and is suitable for vehicle-mounted and shipborne application and other application scenarios.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to a kind of double frequency communication in moving satellite earth antenna system.
Background technology
" communication in moving " satellite antenna system is a kind of satellite receiving equipment being applicable to vehicle-mounted, boat-carrying or the mobile platform load such as airborne, at payload platform according in its natural trajectory motor process, " communication in moving " satellite antenna system can realize the real-time continual reception with satellite or send signal, it is achieved satellite mobile communication.Therefore, " communication in moving " satellite antenna system has important using value and effect in all many-sides such as vehicle-mounted, boat-carrying and the satellite reception such as airborne and transmission, military satellite mobile communication and disaster relief rescues.
Civilian " communication in moving " satellite earth antenna is mainly used in the mobile platforms such as vehicle-mounted or boat-carrying, receives the radio TV signals receiving of the provided forwarding of geostationary geosynchronous satellite.In China, it is provided that commercial television program forward satellite based on culminant star 9, its working band is Ku frequency band (11.7-12.7GHz), it is provided that satellite TV signal based on SD (SD).And at north America region, many television network operator all can provide satellite television forwarding service, mainstream carrier includes Dishnetwork, DirecTV, BellTV etc., they have rented different Static Synchronous orbiters respectively for providing satellite television forwarding service, respectively take SD (SD) satellite television programming of Ku frequency band and high definition (HD) satellite television programming of K/Ka frequency range.At present, common on domestic and international market " communication in moving " antenna is to receive single Ku band satellite signal.Use single satellite antenna device to realize " communication in moving " reception double frequency (Ku and K, or Ku and Ka) and the Related product of multi-satellite signal is the most rarely seen.
Summary of the invention
It is an object of the invention to the defect overcoming prior art to exist, it is provided that a kind of have dual frequency reception characteristic, shared servosystem, " communication in moving " double frequency communication in moving satellite earth antenna system of low section.
nullThe technical scheme realizing the object of the invention is: a kind of double frequency communication in moving satellite earth antenna system，Including fixing base plate、Swivel base、Bracing frame、First antenna front、Second antenna array、First low noise amplification module、Second low noise amplification module、Switch control unit、First stepper motor、Second stepper motor、First governor motion and the second governor motion，Swivel base is positioned on fixing base plate，First antenna front and the second antenna array are all arranged on swivel base by bracing frame is back-to-back，First low noise amplification module is arranged on the back side of first antenna front，Second low noise amplification module is arranged on the back side of the second antenna array，Switch control unit is arranged on swivel base，First stepper motor is rotated chassis and rotates in horizontal plane servo，Second stepper motor drives first antenna front to realize the rotation in pitching face by the first governor motion，Second stepper motor drives the second antenna array to realize the rotation in pitching face by the second governor motion；The satellite-signal that first antenna front is received by the first low noise amplification module is converted to intermediate-freuqncy signal output from down-conversion signal, the satellite-signal that second antenna array is received by the second low noise amplification module is converted to intermediate-freuqncy signal output from down-conversion signal, the intermediate-freuqncy signal of the first low noise amplification module and the output of the second low noise amplification module all enters switch control unit, and switch control unit exports to satellite reception decoding device after switching over signal according to the frequency set.
As the prioritization scheme of the present invention, first antenna front and the second antenna array for receiving the satellite-signal of two frequency ranges.
It is dual circularly polarized antenna array or the linear polarized antenna array with polarization tracking function as the prioritization scheme of the present invention, first antenna front and the second antenna array.
As the prioritization scheme of the present invention, switch control unit controls the first stepper motor the most respectively and the second stepper motor makes first antenna front and the second antenna array that satelloid carry out the reception of satellite-signal in real time.
The present invention has a positive effect: 1) compared with prior art, the present invention is directed to double frequency satellite-signal and move the application demand of real-time reception, provide a kind of double antenna front Back-to-back installation, " communication in moving " satellite earth antenna of shared servosystem, the reception of satellite television programming to different frequency bands difference resolution standard can be provided, there is double frequency-band, wide working band, volume compact and low section, be easy to batch production；
2) present invention is applicable to receive two-band (such as: Ku and K frequency band, or Ku and Ka frequency range) many satellite earth antennas system, aerial radiation front uses chassis and servosystem, a pair low profile antenna front of back-to-back installation altogether, realize azimuth plane by shared swivel base and control of azimuth motor to rotate, use shared pitching frame for movement and pitching control motor to realize pitching face simultaneously and rotate.The low noise amplification module of every piece of the most additional relevant frequency range of antenna array, the output of two groups of low noise amplification modules realizes closing road and handoff functionality by switch control unit 8 on chassis, simultaneously switch control unit 8 also provide for whole double frequency communication in moving satellite earth antenna system power management and with external control signal interface.
3) present invention can receive many stars multifrequency satellite signal in fact, have low cross-section structure, control to share with power interface, the feature such as simple installation, it is adaptable to the application scenarios such as vehicle-mounted and boat-carrying.
Accompanying drawing explanation
Being clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, the present invention is further detailed explanation, wherein:
Fig. 1 is the structure chart of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the side view of the present invention；
Fig. 4 is the second step-by-step motor structure figure of the present invention.
Wherein, 1, fixing base plate, 2, swivel base, 3, bracing frame, 4, first antenna front, the 5, second antenna array, the 6, first low noise amplification module, 7, the second low noise amplification module, 8, switch control unit, the 9, first stepper motor, the 10, second stepper motor, 11, the first governor motion, the 12, second governor motion.
Detailed description of the invention
nullAs shown in Figure 1，The invention discloses a kind of double frequency communication in moving satellite earth antenna system，Including fixing base plate 1、Swivel base 2、Bracing frame 3、First antenna front 4、Second antenna array 5、First low noise amplification module 6、Second low noise amplification module 7、Switch control unit 8、First stepper motor 9、Second stepper motor 10、First governor motion 11 and the second governor motion 12，Swivel base 2 is positioned on fixing base plate 1，First antenna front 4 and the second antenna array 5 are all arranged on swivel base 2 by bracing frame 3 is back-to-back，First low noise amplification module 6 is arranged on the back side of first antenna front 4，Second low noise amplification module 7 is arranged on the back side of the second antenna array 5，Switch control unit 8 is arranged on swivel base 2，First stepper motor 9 is rotated chassis 2 and rotates in horizontal plane servo，Second stepper motor 10 drives first antenna front 4 to realize the rotation in pitching face by the first governor motion 11，Second stepper motor 10 drives the second antenna array 5 to realize the rotation in pitching face by the second governor motion 12；The satellite-signal that first antenna front 4 is received by the first low noise amplification module 6 is converted to intermediate-freuqncy signal output from down-conversion signal, the satellite-signal that second antenna array 5 is received by the second low noise amplification module 7 is converted to intermediate-freuqncy signal output from down-conversion signal, the intermediate-freuqncy signal of the first low noise amplification module 6 and the output of the second low noise amplification module 7 all enters switch control unit 8, and switch control unit 8 exports to satellite reception decoding device after switching over signal according to the frequency set.
First antenna front 4 and the second antenna array 5 are for receiving the satellite-signal of two frequency ranges.Wherein, first antenna front 4 and the second antenna array 5 use various sizes of antenna unit structure to realize the satellite-signal of two different frequency ranges to be received.First antenna front 4 and the second antenna array 5 share the second stepper motor 10 to realize the rotation of level and pitching face so that first antenna front 4 and the second antenna array 5 are to satelloid.
First antenna front 4 and the second antenna array 5 are dual circularly polarized antenna array or the linear polarized antenna array with polarization tracking function.
Switch control unit 8 controls the first stepper motor 9 the most respectively and the second stepper motor 10 makes first antenna front 4 and the second antenna array 5 that satelloid carry out the reception of satellite-signal in real time.Antenna servo system is controlled by position and attitude information according to whole antenna system, it is achieved in real time to satelloid, it is ensured that receive information the most unimpeded.
Wherein first antenna front 4 and the second antenna array 5 use compact siro spinning technology mode with the first low noise amplification module 6 and the second low noise amplification module 7 respectively, the satellite-signal that first antenna front 4 and the second antenna array 5 receive is respectively through down-converting to intermediate frequency output after the first low noise amplification module 6 and the second low noise amplification module 7, the intermediate-freuqncy signal of low noise amplification module 6 and the output of the second low noise amplification module 7 enters switch control unit 8, switch control unit 8, according to the operating frequency set, exports to satellite reception decoding device after carrying out signal switching.
A diameter of 680mm of the swivel base 2 of one enforcement of the present invention, first antenna front 4 and the second antenna array 5 gain representative value are respectively at 31dBi (Ku wave band) and 33dBi (K-band).
The diameter 995mm of another swivel base 2 implemented of the present invention, first antenna front 4 and the second antenna array 5 antenna array gain representative value are respectively at 33.5dBi (Ku wave band) and 35.5dBi (K-band).
It is illustrated in figure 2 the top view of double frequency communication in moving satellite earth antenna system, two first antenna fronts 4 being operated in different frequency range and the second antenna array 5 use back-to-back mode to install with on same swivel base 2, therefore rotate in its horizontal plane and have concyclic, synchronizing characteristics.
As it is shown on figure 3, the double frequency communication in moving satellite earth antenna system of the present invention has low section characteristic, back-to-back antenna array integration mode will not increase antenna system whole height, and take full advantage of space.
As shown in Figure 4, the double frequency communication in moving satellite earth antenna system of the present invention have employed shared stepper motor mode in pitching face, but rotary regulating structure is separate, can accomplish that two fronts are at pitching face Independent adjustable.
Particular embodiments described above; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (4)
- null1. a double frequency communication in moving satellite earth antenna system，It is characterized in that: include fixing base plate (1)、Swivel base (2)、Bracing frame (3)、First antenna front (4)、Second antenna array (5)、First low noise amplification module (6)、Second low noise amplification module (7)、Switch control unit (8)、First stepper motor (9)、Second stepper motor (10)、First governor motion (11) and the second governor motion (12)，Described swivel base (2) is positioned on fixing base plate (1)，Described first antenna front (4) and the second antenna array (5) are all arranged on swivel base (2) by bracing frame (3) is back-to-back，The first described low noise amplification module (6) is arranged on the back side of first antenna front (4)，The second described low noise amplification module (7) is arranged on the back side of the second antenna array (5)，Described switch control unit (8) is arranged on swivel base (2)，Described the first stepper motor (9) is rotated chassis (2) and rotates in horizontal plane servo，Described the second stepper motor (10) drives first antenna front (4) to realize the rotation in pitching face by the first governor motion (11)，Described the second stepper motor (10) passes through the rotation that the second governor motion (12) drives the second antenna array (5) to realize pitching face；The satellite-signal that first antenna front (4) is received by the first low noise amplification module (6) is converted to intermediate-freuqncy signal output from down-conversion signal, the satellite-signal that second antenna array (5) is received by the second low noise amplification module (7) is converted to intermediate-freuqncy signal output from down-conversion signal, the intermediate-freuqncy signal that first low noise amplification module (6) and the second low noise amplification module (7) export all enters switch control unit (8), switch control unit (8) exports to satellite reception decoding device after switching over signal according to the frequency set.
- A kind of double frequency communication in moving satellite earth antenna system the most according to claim 1, it is characterised in that: described first antenna front (4) and the second antenna array (5) are for receiving the satellite-signal of two frequency ranges.
- A kind of double frequency communication in moving satellite earth antenna system the most according to claim 1, it is characterised in that: described first antenna front (4) and the second antenna array (5) they are dual circularly polarized antenna array or the linear polarized antenna array with polarization tracking function.
- A kind of double frequency communication in moving satellite earth antenna system the most according to claim 1, it is characterised in that: described switch control unit (8) controls the first stepper motor (9) the most respectively and the second stepper motor (10) makes first antenna front (4) and the second antenna array (5) that satelloid carry out the reception of satellite-signal in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395541.8A CN105826660A (en) | 2016-06-06 | 2016-06-06 | Dual-frequency communication-in-motion satellite receiving antenna system |
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| CN201610395541.8A CN105826660A (en) | 2016-06-06 | 2016-06-06 | Dual-frequency communication-in-motion satellite receiving antenna system |
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| CN105826660A true CN105826660A (en) | 2016-08-03 |
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| CN201610395541.8A Pending CN105826660A (en) | 2016-06-06 | 2016-06-06 | Dual-frequency communication-in-motion satellite receiving antenna system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832988A (en) * | 2018-05-28 | 2018-11-16 | 成都市精准时空科技有限公司 | A kind of method and communication terminal controlling multi-mode satellite serial communication |
| CN108832298A (en) * | 2018-06-25 | 2018-11-16 | 青岛纳川电气科技有限公司 | Four antenna servo control systems of one kind and application method |
| CN109004334A (en) * | 2018-07-23 | 2018-12-14 | 南京华讯方舟通信设备有限公司 | The vehicle-mounted antenna for satellite communication in motion of S frequency range |
| CN110534865A (en) * | 2018-05-23 | 2019-12-03 | 西安电子科技大学 | A kind of novel phased array radar antenna base and radar antenna |
| CN111294092A (en) * | 2020-01-21 | 2020-06-16 | Oppo广东移动通信有限公司 | User terminal equipment and antenna selection method |
| WO2021147850A1 (en) * | 2020-01-21 | 2021-07-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | User terminal equipment and method for antenna selection |
| CN113708041A (en) * | 2021-08-30 | 2021-11-26 | 重庆两江卫星移动通信有限公司 | Satellite communication dual-frequency array antenna terminal and working frequency band switching method |
| CN115459831A (en) * | 2022-08-22 | 2022-12-09 | 凯睿星通信息科技(南京)股份有限公司 | Portable station of plate satellite |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534865A (en) * | 2018-05-23 | 2019-12-03 | 西安电子科技大学 | A kind of novel phased array radar antenna base and radar antenna |
| CN108832988B (en) * | 2018-05-28 | 2021-09-17 | 成都市精准时空科技有限公司 | Method for controlling communication of multimode satellite communication terminal and communication terminal |
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| CN109004334B (en) * | 2018-07-23 | 2023-11-10 | 武汉华讯国蓉科技有限公司 | S-band on-vehicle communication-in-motion antenna |
| WO2021147850A1 (en) * | 2020-01-21 | 2021-07-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | User terminal equipment and method for antenna selection |
| US11588505B2 (en) | 2020-01-21 | 2023-02-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | User terminal equipment and method for antenna selection |
| CN111294092A (en) * | 2020-01-21 | 2020-06-16 | Oppo广东移动通信有限公司 | User terminal equipment and antenna selection method |
| CN113708041A (en) * | 2021-08-30 | 2021-11-26 | 重庆两江卫星移动通信有限公司 | Satellite communication dual-frequency array antenna terminal and working frequency band switching method |
| CN115459831A (en) * | 2022-08-22 | 2022-12-09 | 凯睿星通信息科技(南京)股份有限公司 | Portable station of plate satellite |
| CN115459831B (en) * | 2022-08-22 | 2024-01-12 | 凯睿星通信息科技(南京)股份有限公司 | Flat-plate type satellite portable station |
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Application publication date: 20160803 |
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