CN1299180C - Automatic antenna tracking system for mobile receiving satellite TV (communication) - Google Patents
Automatic antenna tracking system for mobile receiving satellite TV (communication) Download PDFInfo
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- CN1299180C CN1299180C CNB031356842A CN03135684A CN1299180C CN 1299180 C CN1299180 C CN 1299180C CN B031356842 A CNB031356842 A CN B031356842A CN 03135684 A CN03135684 A CN 03135684A CN 1299180 C CN1299180 C CN 1299180C
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Abstract
The present invention relates to an automatic antenna tracking system of a mobile receiving satellite TV (communication), which is characterized in that the present invention uses the variation of a pitching angle and an azimuth angle of an automatic tracking system of a combined measuring antenna of a TCM, a GPS and an RDC modules of an electric compass, and a course angle of a traveling carrier; the present invention also uses the automatic tracking of a closed loop in a computer of the maximum value of a radiation pattern, and a receiving antenna of a complete polarization feed source. The present invention measures the variation amount of the pitching angle and the azimuth angle of the automatic tracking system of a satellite antenna through the electronic compass. The GPS measures the position of latitude and longitude coordinates of the current carrier. An angle regulator RDC corrects the angles. The rotation of the antenna is controlled by the processing of a computer through a servo drive system and a servo motor. Thus, the central axis of the antenna always aligns the satellite so as to ensure the normal operation of the mobile receiving satellite TV (communication). The present invention has the advantages of civilian, economy and utility, and uses the angle regulator RDC. Thus, the present invention not only can reach a good use effect, but also can reduce production cost, and is favourable for popularization. The present invention uses the automatic tracking of the closed loop in the computer of the maximum value of the radiation pattern to real time correct errors generated during driving. Because the present invention uses the complete polarization feed source antenna, the present invention can switch satellite signals with various types to realize free switching between satellites with different signal modes, and the adaptability is obviously increased.
Description
Technical field:
The present invention relates to move reception satellite tv antenna automatic tracking system, be applicable to vehicle, ship, aircraft receive the TV programme live signal of satellites transmits in the process of moving, also can be applied to satellite communication, in the multimedia service.
Background technology:
Satellite television is popularized in the whole world, and satellite digital TV is live and satellite digital audio radio service is the product of the digital revolution nineties, it is at first broken through in U.S.'s acquisition of technology, step into commercialization and industrialization rule road rapidly, the mobile-satellite TV is the same with satellite digital audio radio, is becoming the rise industry of the huge potentiality in market.People are sitting in family and see that TV is unquestionable, but can only see video disc in aircraft, train, steamer, running car carrier.Along with economic development and growth in the living standard, work and amusement that need be on mobile vehicle, an urgent demand receives satellite television on mobile vehicles such as steamer, the 39th of Ministry of Information Industry's electronics succeeded in developing the vehicle-mounted station of cross-country type mobile satellite communications, be used for military commanding, dispatching communication, gather, coordinate special-purpose vehicle, its principle of work is that starting condition is to be output as highest level with the electronic compass data to interrupt, and the variable quantity of selecting the serial output angle of depression of highest frequency 20HZ and orientation keeps the ship that measures with gyrosensor synchronous to angle variable quantity, and after the sending processor CPU processing, send servo drive system with the 20HZ frequency, the rotation direction that drives servo motor control satellite tv antenna is in real time to satelloid, realize moving and receive, owing to adopt gyrosensor, the combination of electronic compass GPS module, measure the travel course headingization of carrier of the angle of pitch of auto-trace antenna system and position angle, the position that automatic gain control (AGC) signal of longitude and latitude alignment coordinates that will provide by GPS every one or two hour and satellite television receiver output is proofreaied and correct an antenna, revise its error amount, make it again to satelloid, obviously running program is loaded down with trivial details, error is big, and the overall cost costliness.
Summary of the invention:
The purpose of this invention is to provide a kind of civilian economy type, and the high satellite television of degree of accuracy moves the mobile reception satellite tv antenna automatic tracking system of receiving station.
Technical scheme of the present invention is finished like this:
A kind of auto-trace antenna system of mobile reception satellite television, it is characterized in that adopting electronic compass TCM, GPS, the angle of pitch and the position angle of the multiple measurement auto-trace antenna system of RDC module and the course angle of the carrier that travels change, the inner closed loop of directional diagram maximum value calculation machine is from motion tracking, receiving antenna is the complete polarization feed, the angle of pitch and azimuthal variation amount by electronic compass TCM instrumented satellite auto-trace antenna system, GPS measures the latitude and longitude coordinates position of current carrier, angle calibration system device RDC carries out angle modification, machine is handled as calculated, rotate by servo drive system and servomotor control antenna, make the center of antenna axle in the carrier driving process all the time to satelloid, guarantee mobile-satellite TV operate as normal.
Give in described its software of computing machine microprocessing systems and establish a sense figure maximal value, the signal message that carrier is received under steam gives the value of establishing relatively with it, if deviation is arranged, then will adjust signal and give antenna by the servo-drive system transmission, make it all the time to satelloid, the realization system in the carrier driving process to the real-time correction of error.
Described receiving antenna adopts the complete polarization feed antenna, by setting up drive motor at the feed cylindrical, and rotation on request, the satellite-signal that receives various patterns is a horizontal polarization, vertical polarization, left-handed polarization and right-hand polarization have been realized changing freely at the inter-satellite of unlike signal pattern.
Principle of work:
The present invention utilizes the combination of electronic compass TCM, RDC module, GPS to come the angle of pitch and the azimuthal variation amount of instrumented satellite television antenna tracker, the latitude and longitude coordinates position of current carrier, come control antenna to rotate by servo drive system and servo motor, make the center of antenna axle in the carrier driving process all the time to satelloid, and pursue the proper method, the data error that produces of travelling is revised, guaranteed to move reception satellite television operate as normal.
The present invention adopts electronic compass TCM, and angle calibration system device RDC, but not gyrosensor can reach good result of use, and production cost is reduced greatly, are beneficial to universal; Break like product every by GPS the carrier that travels being reorientated the way of revising the error that produces in travelling in one or two hour, adopt the inner closed loop of directional diagram maximum value calculation machine, the error that occurs in travelling is revised in real time from motion tracking; Adopt the complete polarization feed antenna, the satellite-signal horizontal polarization of the various patterns of connecting, vertical polarization, left-handed polarization and right-hand polarization have been realized changing freely at the inter-satellite of different model pattern, and than like product, applicability obviously increases.
The specific embodiment of the present invention is not limited to following embodiment.
Adopt electronic compass TCM, GPS, the angle of pitch and the position angle of the multiple measurement auto-trace antenna system of RDC module and the course angle of the carrier that travels change, the inner closed loop of directional diagram maximum value calculation machine is from motion tracking, receiving antenna is the complete polarization feed, the angle of pitch and azimuthal variation amount by electronic compass TCM instrumented satellite auto-trace antenna system, GPS measures the latitude and longitude coordinates position of current carrier, angle calibration system device RDC carries out angle modification, machine is handled as calculated, rotate by servo drive system and servomotor control antenna, make the center of antenna axle in the carrier driving process all the time to satelloid, guarantee mobile-satellite TV operate as normal.For example, carrier is sent out Chengdu, station high speed---Chongqing from the Chengdu direction, and system is in running order, and GPS measures the latitude and longitude coordinates position, and electronic compass is measured the position angle, the angle of pitch, and machine is handled as calculated, and commander's antenna rotates, and to satelloid, ensures the signal connection.
In computing machine microprocessing systems software, give and establish a sense figure maximal value, the signal message that carrier is received under steam gives the value of establishing relatively with it, if deviation is arranged, then will adjust signal and give antenna by the servo-drive system transmission, make it all the time to satelloid, the realization system in the carrier driving process to the real-time correction of error.
System of the present invention adopts the complete polarization feed antenna, by setting up drive motor at the feed cylindrical, and rotation on request, the satellite-signal that receives various patterns is a horizontal polarization, vertical polarization, left-handed polarization and right-hand polarization have been realized changing freely at the inter-satellite of unlike signal pattern.
Claims (3)
1, a kind of auto-trace antenna system of mobile reception satellite television, comprise the employing electronic compass, GPS, the combination of RDC module, responsive reflection is made in the variation of the vehicle-mounted satellite television reception direction in travelling, come the rotation of control antenna then by servo drive system and servo motor, make the center of antenna axle in vehicle traveling process all the time to satelloid, it is characterized in that adopting electronic compass TCM, GPS, the angle of pitch and the position angle of the multiple measurement auto-trace antenna system of RDC module and the course angle of the carrier that travels change, the inner closed loop of directional diagram maximum value calculation machine is from motion tracking, receiving antenna is the complete polarization feed, the angle of pitch and azimuthal variation amount by electronic compass TCM instrumented satellite auto-trace antenna system, GPS measures the latitude and longitude coordinates position of current carrier, angle calibration system device RDC carries out angle modification, machine is handled as calculated, rotate by servo drive system and servomotor control antenna, make the center of antenna axle in the carrier driving process all the time to satelloid, guarantee mobile-satellite TV operate as normal.
2, the auto-trace antenna system of mobile reception satellite television according to claim 1, it is characterized in that the inner closed loop of directional diagram maximum value calculation machine is to give establishing a sense figure maximal value from motion tracking in computing machine microprocessing systems software, the signal message that carrier is received under steam gives the value of establishing relatively with it, if deviation is arranged, then will adjust signal and be transmitted to antenna by servo-drive system, make it all the time to satelloid, the realization system in the carrier driving process to the real-time correction of error.
3, the auto-trace antenna system of mobile reception satellite television according to claim 1, it is characterized in that system adopts the complete polarization feed antenna, by setting up drive motor at the feed cylindrical, rotation on request, the satellite-signal that receives various patterns is a horizontal polarization, vertical polarization, left-handed polarization and right-hand polarization have been realized changing freely at the inter-satellite of unlike signal pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031356842A CN1299180C (en) | 2003-08-27 | 2003-08-27 | Automatic antenna tracking system for mobile receiving satellite TV (communication) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031356842A CN1299180C (en) | 2003-08-27 | 2003-08-27 | Automatic antenna tracking system for mobile receiving satellite TV (communication) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1490895A CN1490895A (en) | 2004-04-21 |
| CN1299180C true CN1299180C (en) | 2007-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031356842A Expired - Fee Related CN1299180C (en) | 2003-08-27 | 2003-08-27 | Automatic antenna tracking system for mobile receiving satellite TV (communication) |
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| CN (1) | CN1299180C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860088A (en) * | 2010-05-27 | 2010-10-13 | 中国电子科技集团公司第三十八研究所 | Microwave wireless energy transfer system for airship |
| CN101769740B (en) * | 2008-12-30 | 2012-07-04 | 启东欣洋电子有限公司 | Photoelectromagnetic integrated digital south finding instrument for moving carrier to receive satellite television programs |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075837B (en) * | 2007-06-28 | 2010-05-19 | 中国电子科技集团公司第五十四研究所 | Method for fastly aligning scattering telecommunication antenna |
| CN101938608B (en) * | 2009-06-30 | 2012-02-22 | 上海咏舆通信技术有限公司 | Ship satellite television receiver |
| CN102983411B (en) * | 2010-07-01 | 2014-11-05 | 中国电子科技集团公司第五十四研究所 | Polarization calibration method for antenna system with automatic polarization adjustment function |
| CN104102230A (en) * | 2013-04-07 | 2014-10-15 | 蒲亮 | Solar power plant photovoltaic panel three-shaft automatic tracking system |
| CN103633417B (en) * | 2013-11-08 | 2016-09-28 | 中国电子科技集团公司第三十九研究所 | Airborne antenna based on strapdown attitude tenacious tracking high accuracy points to tracking |
| CN109119761B (en) * | 2017-06-26 | 2020-07-14 | 华为技术有限公司 | Method, control device and system for satellite switching of motor antenna |
| CN108681031B (en) * | 2018-08-06 | 2023-10-27 | 深圳市三阶微控实业有限公司 | Miniature camera applying stepping ultrasonic motor and control method thereof |
| CN112556636B (en) * | 2020-11-30 | 2022-11-11 | 国家卫星气象中心(国家空间天气监测预警中心) | Method for calibrating receiving antenna by using GPS data provided by satellite |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336821A (en) * | 1991-05-14 | 1992-11-25 | Clarion Co Ltd | Satellite reception tracing device for mobile object |
| CN2562507Y (en) * | 2001-02-27 | 2003-07-23 | 航空航天工业部○六八基地七八○一研究所 | Mobile carrier satellite TV receiver |
-
2003
- 2003-08-27 CN CNB031356842A patent/CN1299180C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336821A (en) * | 1991-05-14 | 1992-11-25 | Clarion Co Ltd | Satellite reception tracing device for mobile object |
| CN2562507Y (en) * | 2001-02-27 | 2003-07-23 | 航空航天工业部○六八基地七八○一研究所 | Mobile carrier satellite TV receiver |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769740B (en) * | 2008-12-30 | 2012-07-04 | 启东欣洋电子有限公司 | Photoelectromagnetic integrated digital south finding instrument for moving carrier to receive satellite television programs |
| CN101860088A (en) * | 2010-05-27 | 2010-10-13 | 中国电子科技集团公司第三十八研究所 | Microwave wireless energy transfer system for airship |
| CN101860088B (en) * | 2010-05-27 | 2012-10-03 | 中国电子科技集团公司第三十八研究所 | Microwave wireless energy transfer system for airship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1490895A (en) | 2004-04-21 |
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Granted publication date: 20070207 Termination date: 20090928 |