CN106487440B - A kind of acquisition methods that judge signal of pair of satelloid - Google Patents
A kind of acquisition methods that judge signal of pair of satelloid Download PDFInfo
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- CN106487440B CN106487440B CN201610880371.2A CN201610880371A CN106487440B CN 106487440 B CN106487440 B CN 106487440B CN 201610880371 A CN201610880371 A CN 201610880371A CN 106487440 B CN106487440 B CN 106487440B
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- signal
- satellite
- locking
- star
- antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18523—Satellite systems for providing broadcast service to terrestrial stations, i.e. broadcast satellite service
- H04B7/18526—Arrangements for data linking, networking or transporting, or for controlling an end to end session
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
- H04B7/18543—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention proposes the acquisition methods for judging signal of a kind of pair of satelloid, and locking satellite state instruction modulating signal is drawn from the satellite modem with locking satellite status indicator lamp, does isolation pretreatment to signal is drawn；Pretreated locking satellite state instruction modulating signal is accessed into antenna control unit mainboard general purpose I/O port；Antenna control unit mainboard, which passes through, judges that the state of locking satellite status indicator lamp obtains digital locking satellite signal；Digital locking satellite signal is transmitted to that antenna master control unit is accurate as antenna, stablizes final judgment basis to star.The present invention solves the problems, such as carrier wave to accidentally referring to existing for star and the problem of satellite modem agreement does not provide under satellite locking signal or state of signal-to-noise accurately to star；It avoids obtaining using software development mode to satelloid locking signal or signal-noise ratio signal；Avoid the application and development of digital tuner；It is realized and is stablized accurately to star purpose using cheap satellite modem, reduce research and development of products complexity and cost.
Description
Technical field
The present invention relates to satellite communication field, the acquisition methods for judging signal of specially a kind of pair satelloid.
Background technique
Antenna Design for Satellite Communication in Motion (referred to as: antenna for satellite communication in motion) system is mainly used for the mobile vehicles such as vehicle, ship,
Antenna for satellite communication in motion is set to be directed at Syncom satellite always in carrier moving process, in Syncom satellite and satellite
Between the station of face construct two-way link satellite communication, with reach it is real-time, uninterruptedly with other earth stations carry out data double-way transmission
Purpose.
Satellite communication signals are modulated on certain carrier wave and propagate, only when the satellite modulation of antenna indoor unit installation
When demodulator tracks this upper carrier wave, effective two-way communication just can guarantee.When many satellites are distributed closer in orbit, only
It uses the size of AGC signal to be directed toward the judgment basis of satellite as antenna, will lead to the problem of accidentally referring to.So antenna for satellite communication in motion uses
When satellite downlink carrier signal is carried out to star, the AGC level combination satellite modulatedemodulate that exploitation digital tuner obtains is generallyd use
Being used as star locking signal or signal-to-noise ratio to star criterion of device offer is provided.Number is accessed after the downconverted device of satellite downlink carrier signal
Word tuner obtains the corresponding AGC electricity of satellite carrier power level received by being programmed operation to digital tuner
Flat to be used as initially to star criterion, what satellite modem provided is used for the final of star star locking signal or signal-noise ratio signal
Criterion.Antenna for satellite communication in motion master control unit according to carrier wave AGC level, to star locking signal or to star signal-to-noise ratio transmission antenna posture tune
Antenna servo driving unit is arrived in whole instruction, controls antenna to achieve the purpose that in real time to satelloid.Outdoor of the conventional carrier to star
Each component connection schematic diagram of unit is as shown in Figure 1.
Due to cost control etc., some in currently used satellite modem cannot be provided by protocol mode
To star locking signal or signal-noise ratio signal, and the indicating mode of only LED light.Take software development mode obtain above-mentioned signal at
This and difficulty are larger；Carrier wave operates the development cost and difficulty that digital tuner obtains carrier wave AGC level by software to star mode
It spends also larger；If being easy for occurring accidentally referring to situation to star only with the receiver application mode of outgoing carrier AGC level；In addition,
It is provided to star locking signal or to the satellite modem price of star signal-noise ratio signal by agreement much higher than not passing through agreement
There is provided the satellite modem of above-mentioned signal, it is difficult to apply in the ships for civil use such as fishing boat.
Summary of the invention
Accidentally refer to problem present invention seek to address that carrier mode is that may be present to star, solve not provide by agreement and star is locked
Determine signal or to the accurate stable under the satellite modem mode of star signal-noise ratio signal to star problem.The present invention proposes thus
A kind of acquisition methods that judge signal of pair of satelloid.
The technical solution of the present invention is as follows:
The acquisition methods for judging signal of a kind of pair of satelloid, it is characterised in that: refer to from locking satellite state
Show extraction locking satellite state instruction modulating signal in the satellite modem of lamp, does isolation pretreatment to signal is drawn；It will be pre-
Treated, and locking satellite state instruction modulating signal accesses antenna control unit mainboard general purpose I/O port；Antenna control unit mainboard
By judging that the state of locking satellite status indicator lamp obtains digital locking satellite signal；The digital locking satellite signal
It is transmitted to that antenna master control unit is accurate as antenna, stablizes final judgment basis to star.
Further preferred embodiment, the acquisition methods for judging signal of a kind of pair of satelloid, it is characterised in that: use
Optocoupler draws locking satellite state instruction modulating signal.
Further preferred embodiment, the acquisition methods for judging signal of a kind of pair of satelloid, it is characterised in that: satellite
Modem only provides locking satellite instruction modulating signal, does not provide to star locking or signal-to-noise ratio data.
Beneficial effect
As technical solution it is found that the present invention solves the problems, such as carrier wave to accidentally referring to existing for star；Solves satellite modulation /demodulation
Device agreement does not provide under satellite locking signal or state of signal-to-noise accurately the problem of to star；It avoids software development mode and obtains and defend
Highly difficult and Gao Chengben of the star modem to satelloid locking signal or signal-noise ratio signal；Avoid answering for digital tuner
With exploitation；It is realized and is stablized accurately to star purpose using cheap satellite modem, reduce research and development of products complexity
And cost.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is tradition to star mode connection schematic diagram.
Fig. 2 is the connection schematic diagram of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
Due to cost limitation etc., in " communication in moving " system used in the ships for civil use such as fishing boat, the satellite of use
Modem does not all have the function by protocol mode offer to star locking signal or signal-noise ratio signal generally, only provides
The indicating mode of LED light causes in actual operation, at present can only be by using the receiver application of outgoing carrier AGC level
Mode is directed toward the judgment basis of satellite as antenna, but is easy for occurring accidentally referring to situation to star in this way, to solve the above-mentioned problems,
Simultaneously also to guarantee that cost is not significantly increased, the present invention using a kind of simple and cleverly method passes through and draws locking satellite shape
State indicates modulating signal, realizes the accurate judgement signal acquisition to satelloid.
This method draws locking satellite state instruction from the satellite modem with locking satellite status indicator lamp
Modulating signal does isolation pretreatment to signal is drawn；Pretreated locking satellite state instruction modulating signal is accessed into day line traffic control
Unit mainboard general purpose I/O port；Antenna control unit mainboard, which passes through, judges that the state acquisition of locking satellite status indicator lamp is digital
Locking satellite signal；It is accurate as antenna, stable to star that the digital locking satellite signal is transmitted to antenna master control unit
Final judgment basis.
The acquisition methods for judging signal of satelloid are connected with the component used as shown in Fig. 2, giving in the present invention
Schematic diagram.Antenna for satellite communication in motion system is divided into outdoor unit and indoor unit, outdoor unit include antenna, duplexer, low-converter,
Power splitter, carrier receiver, sensor, master control unit, servo-drive；Indoor unit mainly includes antenna control unit, satellite
Modem.The method is applied to antenna system carrier system to star streaming journey, and satellite modem provides locking satellite
It indicates modulating signal, but the data to star locking or signal-to-noise ratio cannot be provided.Antenna receives downward signal of satellite and passes through low-converter
By being respectively connected to carrier receiver and satellite modem after power splitter branch, the carrier wave AGC of carrier receiver output
Level is as initially to star criterion, and when antenna alignment satellite, satellite modem locking satellite indicator light is lighted, by optocoupler
Device extraction, which does isolation pretreatment and accesses antenna control unit processor, is converted to digital locking signal, the digital locking
Signal is sent to the master control unit final criterion for judging whether alignment satellite of antenna system outdoor unit through winding mechanism,
Software control logic is combined to can be realized accurate stable to star in practical application.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (2)
1. the acquisition methods for judging signal of a kind of pair of satelloid, it is characterised in that: using optocoupler from locking satellite
Locking satellite state instruction modulating signal is drawn in the satellite modem of status indicator lamp, does the pre- place of isolation to signal is drawn
Reason；Pretreated locking satellite state instruction modulating signal is accessed into antenna control unit mainboard general purpose I/O port；Its line traffic control
Unit mainboard, which passes through, judges that the state of locking satellite status indicator lamp obtains digital locking satellite signal；The digital locking
Satellite-signal is transmitted to that antenna master control unit is accurate as antenna, stablizes final judgment basis to star.
2. the acquisition methods for judging signal of a kind of pair of satelloid according to claim 1, it is characterised in that: satellite modulatedemodulate
It adjusts device only to provide locking satellite instruction modulating signal, does not provide to star locking or signal-to-noise ratio data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880371.2A CN106487440B (en) | 2016-10-09 | 2016-10-09 | A kind of acquisition methods that judge signal of pair of satelloid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880371.2A CN106487440B (en) | 2016-10-09 | 2016-10-09 | A kind of acquisition methods that judge signal of pair of satelloid |
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| CN106487440A CN106487440A (en) | 2017-03-08 |
| CN106487440B true CN106487440B (en) | 2019-05-10 |
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| US5923288A (en) * | 1997-03-25 | 1999-07-13 | Sony Coporation | Antenna alignment indicator system for satellite receiver |
| CN1897487A (en) * | 2006-06-19 | 2007-01-17 | 南京中网通信有限公司 | Linear-controlled star counter of vehicle satellite telecommunication antenna |
| CN101800358A (en) * | 2010-04-03 | 2010-08-11 | 浙江中星光电子科技有限公司 | Shipborne satellite antenna control system |
| CN102075227A (en) * | 2009-11-24 | 2011-05-25 | ***通信集团公司 | System and method for controlling satellite finding antenna |
| CN202904381U (en) * | 2012-12-03 | 2013-04-24 | 北京航天科工世纪卫星科技有限公司 | Auxiliary satellite-finding controller |
| CN104124529A (en) * | 2014-05-05 | 2014-10-29 | 北京星网卫通科技开发有限公司 | Satellite communication on the move antenna satellite finding method |
| CN204391277U (en) * | 2015-01-29 | 2015-06-10 | 四川安迪科技实业有限公司 | The quick satellite-finding device of a kind of small-bore satellite antenna of mobile model |
| CN103529734B (en) * | 2013-10-23 | 2016-01-06 | 南京中网卫星通信股份有限公司 | The control method of vehicle-mounted boat-carrying universal satellite communication in moving star searching system and device |
| CN105391492A (en) * | 2015-11-26 | 2016-03-09 | 广东天珩通电子科技有限公司 | Satellite-based information transmission system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6507325B2 (en) * | 2000-12-29 | 2003-01-14 | Bellsouth Intellectual Property Corporation | Antenna alignment configuration |
-
2016
- 2016-10-09 CN CN201610880371.2A patent/CN106487440B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923288A (en) * | 1997-03-25 | 1999-07-13 | Sony Coporation | Antenna alignment indicator system for satellite receiver |
| CN1897487A (en) * | 2006-06-19 | 2007-01-17 | 南京中网通信有限公司 | Linear-controlled star counter of vehicle satellite telecommunication antenna |
| CN102075227A (en) * | 2009-11-24 | 2011-05-25 | ***通信集团公司 | System and method for controlling satellite finding antenna |
| CN101800358A (en) * | 2010-04-03 | 2010-08-11 | 浙江中星光电子科技有限公司 | Shipborne satellite antenna control system |
| CN202904381U (en) * | 2012-12-03 | 2013-04-24 | 北京航天科工世纪卫星科技有限公司 | Auxiliary satellite-finding controller |
| CN103529734B (en) * | 2013-10-23 | 2016-01-06 | 南京中网卫星通信股份有限公司 | The control method of vehicle-mounted boat-carrying universal satellite communication in moving star searching system and device |
| CN104124529A (en) * | 2014-05-05 | 2014-10-29 | 北京星网卫通科技开发有限公司 | Satellite communication on the move antenna satellite finding method |
| CN204391277U (en) * | 2015-01-29 | 2015-06-10 | 四川安迪科技实业有限公司 | The quick satellite-finding device of a kind of small-bore satellite antenna of mobile model |
| CN105391492A (en) * | 2015-11-26 | 2016-03-09 | 广东天珩通电子科技有限公司 | Satellite-based information transmission system |
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| CN106487440A (en) | 2017-03-08 |
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