CN106487440A - A kind of acquisition methods for judging signal to satelloid - Google Patents
A kind of acquisition methods for judging signal to satelloid Download PDFInfo
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- CN106487440A CN106487440A CN201610880371.2A CN201610880371A CN106487440A CN 106487440 A CN106487440 A CN 106487440A CN 201610880371 A CN201610880371 A CN 201610880371A CN 106487440 A CN106487440 A CN 106487440A
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- Prior art keywords
- 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 a kind of acquisition methods for judging signal to satelloid, draws locking satellite state instruction modulating signal from the satellite modem with locking satellite status indicator lamp, does isolation pretreatment to drawing signal；Pretreated locking satellite state instruction modulating signal is accessed antenna control unit mainboard general purpose I/O port；Antenna control unit mainboard obtains digital locking satellite signal by the state for judging locking satellite status indicator lamp；Digital locking satellite signal is sent to antenna master control unit final judgment basis as antenna accurately, stably to star.What the present invention solved that carrier wave is present to star refers to that problem and satellite modem agreement do not provide the problem under satellite locking signal or state of signal-to-noise accurately to star by mistake；Avoid obtaining to satelloid locking signal or signal-noise ratio signal using software development mode；Avoid the application and development of digital tuner；Realized using cheap satellite modem stable accurately to star purpose, reduction research and development of products complexity and cost.
Description
Technical field
The present invention relates to satellite communication field, specially a kind of acquisition methods for judging signal to satelloid.
Background technology
Antenna Design for Satellite Communication in Motion is (referred to as：Antenna for satellite communication in motion) system is mainly used in the mobile vehicles such as vehicle, ship,
Antenna for satellite communication in motion is made to be directed at Syncom satellite all the time in carrier moving process, on Syncom satellite and satellite ground
Between the station of face build two-way link satellite communication, with reach real-time, uninterruptedly carry out data double-way transmission with other earth stations
Purpose.
Satellite communication signals are modulated on certain carrier wave and propagate, only when the satellite modulation that antenna indoor unit is installed
When demodulator tracks this carrier wave upper, effective two-way communication is just can guarantee that.When distribution is nearer in orbit for a lot of satellites, only
The basis for estimation of satellite, the problem that can cause to refer to by mistake is pointed to as antenna with the size of AGC signal.So antenna for satellite communication in motion is used
When satellite downlink carrier signal is carried out to star, the AGC level for generally being obtained using exploitation digital tuner combines satellite modulatedemodulate
Adjust device provide to star locking signal or signal to noise ratio as to star criterion.Number is accessed after the downconverted device of satellite downlink carrier signal
Word tuner, obtains the corresponding AGC electricity of the satellite carrier power level for receiving by being programmed operating to digital tuner
Initially to star criterion, what satellite modem was provided is used for the final of star to star locking signal or signal-noise ratio signal for flat conduct
Criterion.Antenna for satellite communication in motion master control unit is according to carrier wave AGC level, to star locking signal or to star signal to noise ratio transmission antenna attitude tune
Whole instruction controls antenna to reach purpose in real time to satelloid to antenna servo driver element.Outdoor of the convention carrier to star
The each part connection diagram of unit is as shown in Figure 1.
Due to reasons such as cost control, in conventional satellite modem, some can not be provided by protocol mode at present
To star locking signal or signal-noise ratio signal, and the indicating mode of only LED.Take software development mode to obtain above-mentioned signal to become
This and difficulty are larger；Carrier wave operates digital tuner to obtain development cost and the difficulty of carrier wave AGC level by software star pattern
Degree is also larger；If only with the receiver application mode of outgoing carrier AGC level, appearance is easy for star and refers to situation by mistake；In addition,
There is provided to star locking signal or the satellite modem price of star signal-noise ratio signal is far above by agreement and do not pass 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.
Content of the invention
Present invention seek to address that carrier mode is that may be present to star and refers to problem, solve not provide by agreement and star is locked by mistake
Determine signal or to the accurate stable under the satellite modem pattern of star signal-noise ratio signal to star problem.Propose for this present invention
A kind of acquisition methods for judging signal to satelloid.
The technical scheme is that：
A kind of acquisition methods for judging signal to satelloid, it is characterised in that：From referring to locking satellite state
Show extraction locking satellite state instruction modulating signal in the satellite modem of lamp, isolation pretreatment is done to drawing signal；Will be pre-
Locking satellite state instruction modulating signal after process accesses antenna control unit mainboard general purpose I/O port；Antenna control unit mainboard
Digital locking satellite signal is obtained by the state for judging locking satellite status indicator lamp；The digital locking satellite signal
It is sent to antenna master control unit final judgment basis as antenna accurately, stably to star.
Further preferred version, a kind of acquisition methods for judging signal to satelloid, it is characterised in that：Using
Optocoupler draws locking satellite state instruction modulating signal.
Further preferred version, a kind of acquisition methods for judging signal to satelloid, it is characterised in that：Satellite
Modem only provides locking satellite and indicates modulating signal, does not provide and star is locked or signal-to-noise ratio data.
Beneficial effect
From technical scheme, what the present invention solved that carrier wave is present to star refers to problem by mistake；Solve satellite modulation /demodulation
Device agreement does not provide the problem under satellite locking signal or state of signal-to-noise accurately to star；Avoid software development mode and obtain and defend
Star modem is to satelloid locking signal or the highly difficult and high cost of signal-noise ratio signal；Avoid answering for digital tuner
With exploitation；Realized using cheap satellite modem stable accurately to star purpose, reduction research and development of products complexity
And cost.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
Substantially and easy to understand, wherein：
Fig. 1 is for tradition to star mode connection diagram.
Fig. 2 is the connection diagram of the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the embodiment is exemplary, it is intended to for the present invention is explained, and
It is not considered as limiting the invention.
Due to the reasons such as cost restriction, in " communication in moving " system used in the ships for civil use such as fishing boat, the satellite of employing
Modem is general not to be had by protocol mode offer to star locking signal or the function of signal-noise ratio signal, provides only
The indicating mode of LED, causes in practical operation, can only pass through the receiver application using outgoing carrier AGC level at present
Mode points to the basis for estimation of satellite as antenna, but is so easy for appearance to star and refers to situation by mistake, in order to solve the above problems,
While will also ensure cost is not significantly increased, the present invention adopts a kind of simply and cleverly method, by drawing locking satellite shape
State indicates modulating signal, it is achieved that the accurate judgement signal acquisition to satelloid.
The method draws locking satellite state instruction from the satellite modem with locking satellite status indicator lamp
Modulating signal, does isolation pretreatment to drawing signal；Pretreated locking satellite state instruction modulating signal is accessed day line traffic control
Unit mainboard general purpose I/O port；Antenna control unit mainboard is obtained digital by the state for judging locking satellite status indicator lamp
Locking satellite signal；It is accurate, stable to star as antenna that the digital locking satellite signal is sent to antenna master control unit
Final judgment basis.
As shown in Fig. 2 giving the acquisition methods for judging signal and the part connection for using in the present invention to satelloid
Schematic diagram.Antenna for satellite communication in motion system is divided into outdoor unit and indoor unit, outdoor unit comprising antenna, duplexer, low-converter,
Power splitter, carrier receiver, sensor, master control unit, servo-drive；Indoor unit mainly includes antenna control unit, satellite
Modem.Methods described is applied to antenna system carrier system to star streaming journey, and satellite modem provides locking satellite
Modulating signal is indicated, but the data to star locking or signal to noise ratio can not be provided.Antenna receives downward signal of satellite and passes through low-converter
By being respectively connecting to carrier receiver and satellite modem after power splitter branch, the carrier wave AGC of carrier receiver output
Level as initial to star criterion, when antenna alignment satellite, light, by optocoupler by satellite modem locking satellite indicator lamp
Device is drawn to do isolation and pre-process and access antenna control unit processor and 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,
Accurate stable can be realized to star with reference to software control logic in practical application.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is in the principle without departing from the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (3)
1. a kind of acquisition methods for judging signal to satelloid, it is characterised in that：From with locking satellite status indicator lamp
Locking satellite state instruction modulating signal is drawn in satellite modem, does isolation pretreatment to drawing signal；After pre-processing
Locking satellite state instruction modulating signal access antenna control unit mainboard general purpose I/O port；Antenna control unit mainboard is by sentencing
The state of disconnected locking satellite status indicator lamp obtains digital locking satellite signal；The digital locking satellite signal is sent to
Final judgment basis of the antenna master control unit as antenna accurately, stably to star.
2. a kind of acquisition methods for judging signal to satelloid according to claim 1, it is characterised in that：Using optical coupler
Part draws locking satellite state instruction modulating signal.
3. a kind of acquisition methods for judging signal to satelloid according to claim 1, it is characterised in that：Satellite modulatedemodulate
Adjust device only to provide locking satellite and modulating signal is indicated, do not provide and star is locked 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106487440A true CN106487440A (en) | 2017-03-08 |
| CN106487440B CN106487440B (en) | 2019-05-10 |
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| CN201610880371.2A Active CN106487440B (en) | 2016-10-09 | 2016-10-09 | A kind of acquisition methods that judge signal of pair of satelloid |
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Citations (10)
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|---|---|---|---|---|
| US5923288A (en) * | 1997-03-25 | 1999-07-13 | Sony Coporation | Antenna alignment indicator system for satellite receiver |
| US20020084944A1 (en) * | 2000-12-29 | 2002-07-04 | Matz William R. | Antenna alignment configuration |
| 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 |
-
2016
- 2016-10-09 CN CN201610880371.2A patent/CN106487440B/en active Active
Patent Citations (10)
| 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 |
| US20020084944A1 (en) * | 2000-12-29 | 2002-07-04 | Matz William R. | Antenna alignment configuration |
| 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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| CN106487440B (en) | 2019-05-10 |
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