CN101087041A - A polarization adjustment device of onboard satellite communication antenna and method - Google Patents
A polarization adjustment device of onboard satellite communication antenna and method Download PDFInfo
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- CN101087041A CN101087041A CN 200710028358 CN200710028358A CN101087041A CN 101087041 A CN101087041 A CN 101087041A CN 200710028358 CN200710028358 CN 200710028358 CN 200710028358 A CN200710028358 A CN 200710028358A CN 101087041 A CN101087041 A CN 101087041A
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Abstract
The invention discloses a polarization adjustment device of vehicle satellite mobile communication antenna which includes antenna and feedbacking source, besides, it also includes pose sensing device which is used to obtain pose information of antenna of vehicle; antenna controller which is connected with said pose sensing device and used to compensate the polarization angle of antenna based on output of said pose sensing device, and output drive current based on result of analysis; polarization motor which is connected with said antenna controller and used to drive feedbacking source under control of output current to adjust polarization angle of antenna. The invention also discloses corresponding polarization adjustment method of vehicle satellite mobile communication antenna. Adopting the invention can keep matching between polarization of antenna of vehicle station and communication satellite radicalization electromagnetic wave, best sending and quality of signal of vehicle satellite mobile communication system can be guaranteed.
Description
Technical field
The present invention relates to the onboard satellite communication antenna technology, relate in particular to a kind of polarization adjustment device and method of onboard satellite communication antenna.
Background technology
Vehicle-mounted mobile communication system is a kind of by on the automobile platform satellite communication antena being installed, utilize geo-synchronous orbit satellite (Geosynchronous Earth Orbit Satellite, the communication system of the radio communication service between Ku band transponder realization portable terminal GEOS) and fixed terminal, the portable terminal, communication satellite Ku band transponder has adopted polarization channeling technology at present, be that same frequency has 2 mutually orthogonal transponders, work in horizontal polarization mode and perpendicular polarization mode respectively, be commonly referred to A transponder and B transponder.The polarization of so-called antenna, the electric field strength direction that forms when being meant aerial radiation.When electric field strength direction during perpendicular to ground, this electric wave just is called vertically polarized wave; When the electric field strength direction was parallel to ground, this electric wave just was called horizontal polarized wave.Because the operating frequency of above-mentioned two kinds of transponders is identical, in order to prevent the phase mutual interference between A, the B transponder, before receiving/transmitting, need regulate the polarizing angle of antenna, the cross polarization isolation that makes satellite communication antena is greater than 35dB, under this matching condition, can carry out stable signal emission/reception between the antenna at vehicle-mounted station and the satellite, realize high-quality communication.
When the inventor states technical scheme on the implementation, find following problem:
Onboard satellite communication system earth station (being called for short vehicle-mounted station) is in the process that moves, along with the geographical position at vehicle-mounted station and the continuous change of antenna attitude, the polarizing angle of antenna is also in continuous change, makes the polarization and the communication satellite electromagnetic radiation wave polarization of antenna at vehicle-mounted station be difficult to keep coupling in real time.
Summary of the invention
Embodiments of the invention technical problem to be solved is, a kind of polarization adjustment device and method of onboard satellite communication antenna is provided.Can be in the process that carrier moves the polarizing angle of the antenna at vehicle-mounted station be carried out the self adaptation adjustment, the polarization and the communication satellite electromagnetic radiation wave polarization of the antenna at vehicle-mounted station are complementary in real time.
In order to solve the problems of the technologies described above, embodiments of the invention have proposed a kind of polarization adjustment device of vehicle-mounted satellite mobile communication antenna, comprise antenna and feed; Focus on, this device also comprises:
The attitude sensing device is used to obtain the attitude change information of the antenna at vehicle-mounted station with respect to three;
Antenna controller links to each other with described attitude sensing device, is used for the polarizing angle of antenna being carried out the dynamic compensation analysis according to the output of described attitude sensing device, and according to the analysis result output driving current;
The polarization motor links to each other with described antenna controller, is used for driving feed under the output current control of antenna controller and rotates, and carries out the adjustment of antenna polarization angle.
Correspondingly, the present invention also provides a kind of polarization method of adjustment of vehicle-mounted satellite mobile communication antenna, focuses on, and may further comprise the steps:
Obtain the geographical location information at vehicle-mounted station and the attitude change information of antenna with respect to three at vehicle-mounted station;
Carry out the dynamic compensation analysis according to described attitude change information, calculate the offset at antenna polarization angle;
Offset according to described antenna polarization angle drives the feed rotation, carries out the adjustment of antenna polarization angle.
Embodiments of the invention have following beneficial effect:
Embodiments of the invention change by the attitude of antenna with respect to three at responsive vehicle-mounted station, according to the polarizing angle offset of described change calculations antenna, thereby drive feed rotation carrying out antenna polarization angle adjustment.Owing in the process that carrier moves, adjust the polarizing angle of antenna in real time, the polarization and the communication satellite electromagnetic radiation wave polarization of the antenna at vehicle-mounted station are complementary in real time, thereby have guaranteed the best transmission of onboard satellite communication system and the quality of received signal.
Description of drawings
Fig. 1 is the composition structure chart of polarization adjustment device first embodiment of onboard satellite communication antenna provided by the invention;
Fig. 2 is the composition structure chart of polarization adjustment device second embodiment of onboard satellite communication antenna provided by the invention;
Fig. 3 is the composition structure chart of an embodiment of attitude sensing device in the polarization adjustment device of onboard satellite communication antenna provided by the invention;
Fig. 4 is the composition structure chart of an embodiment of antenna controller in the polarization adjustment device of onboard satellite communication antenna provided by the invention;
Fig. 5 is the flow chart of an embodiment of the polarization method of adjustment of onboard satellite communication antenna provided by the invention.
Embodiment
With reference to figure 1, this figure is the composition structure chart of polarization adjustment device first embodiment of onboard satellite communication antenna provided by the invention.As shown in the figure, antenna 1 and feed 2 are adjustment objects of present embodiment, by changing the setting angle of feed 2, promptly can adjust the polarizing angle of antenna 1, realize the real-time coupling of antenna 1 and satellite electromagnetic radiation wave polarization.
The polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises attitude sensing device 3, and its major function is to obtain the attitude change information of the antenna at vehicle-mounted station with respect to three (pitching, orientation, rolls).
The polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises antenna controller 4, its major function is the output information that receives attitude sensing device 3, calculate the polarizing angle offset of antenna according to described output information, and export the drive current of correspondence according to described offset.
In addition, the polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises polarization motor 5, and its major function is under the drive current control of antenna controller 4 outputs, drives feed 2 and rotates, to adjust the polarizing angle of antenna 1.
With reference to figure 2, antenna controller 4 mainly includes:
Dynamic compensation analytical equipment 42, its major function are to carry out the dynamic compensation analysis according to the output information of signal receiving device 41, calculate the polarizing angle offset of antenna 1.
With reference to figure 3, described attitude sensing device 3 can specifically comprise:
Three gyrosensors 31, its major function are that the attitude of responsive antenna 1 with respect to three changes, and described variation is converted to voltage signal output;
During concrete enforcement, can monitor the attitude variation of antenna with respect to three at vehicle-mounted station by the RS232 communication module.
With reference to figure 2, described signal receiving device 41 can further comprise equally:
GPS receiving system 411, its major function are the geographical position latitude and longitude coordinates data that obtain vehicle-mounted station from gps system;
With reference to figure 4, this figure is the composition structure chart in the polarization adjustment device second of onboard satellite communication antenna provided by the invention is implemented, as shown in the figure, antenna 1 and feed 2 are adjustment objects of present embodiment, by changing the setting angle of feed 2, promptly can adjust the polarizing angle of antenna 1, realize the real-time coupling of antenna 1 and satellite electromagnetic radiation wave polarization.
The polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises signal deriving means 3, and its major function is to obtain the geographical location information at vehicle-mounted station and the antenna attitude change information with respect to three (pitching, orientation, rolls).
The polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises antenna controller 4, its major function is the output information of received signal deriving means 3, calculate the offset at antenna polarization angle according to described output information, and according to the corresponding drive current of described offset output.
In addition, the polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises polarization motor 5, and its major function is under the drive current control of antenna controller 4 outputs, drives feed 2 and rotates, to adjust the polarizing angle of antenna 1.
In addition, the polarization adjustment device of the onboard satellite communication antenna that present embodiment provides also comprises polarizing angle transducer 6, link to each other with feed 2 antenna controllers 4, its major function is the polarization position angle of responsive feed 2, for antenna controller 4 provides real-time antenna polarization angle feedback, thereby make antenna controller 4 carry out accurate closed loop adjustment to feed 2 according to the antenna polarization angle of feedback.
With reference to figure 2, antenna controller 4 mainly includes equally:
Dynamic compensation analytical equipment 42, its major function are to carry out the dynamic compensation analysis according to the output information of signal receiving device 41, calculate the polarizing angle offset of antenna 1.
Keying display unit 44 is used to show above-mentioned each running state information of installing.
With reference to figure 3, described attitude sensing device 3 can specifically comprise equally:
Three gyrosensors 31, its major function are that the attitude of responsive antenna 1 with respect to three changes, and described variation is converted to voltage signal output;
During concrete enforcement, can monitor the attitude variation of antenna with respect to three at vehicle-mounted station by the RS232 communication module.
With reference to figure 2, described signal receiving device 41 can further comprise equally:
GPS receiving system 411, its major function are the geographical position latitude and longitude coordinates data that obtain vehicle-mounted station from gps system;
Describe the flow chart of an embodiment of the polarization method of adjustment of onboard satellite communication antenna provided by the invention below in detail.With reference to figure 5, it is as follows that concrete antenna polarization is adjusted flow process:
In step S01, read the geographical position latitude and longitude coordinates data at this vehicle-mounted station.
In step S02, the attitude of the antenna at responsive vehicle-mounted station with respect to three changes, and described attitude changed being converted into voltage signal output.
In step S03, described voltage output signal is carried out the AD timing sampling.
During concrete enforcement, can monitor the attitude variation of antenna with respect to three at vehicle-mounted station by the RS232 communication module.
In step S04, receive described coordinate data and sampled output signal, the dynamic compensation analysis that polarizes, the polarizing angle offset of calculating antenna.
In step S05, according to the corresponding plan motor drive current of offset output at described antenna polarization angle.
In step S06, under the control of drive current, drive feed and rotate, carry out the adjustment of antenna polarization angle.
In step S07, the polarizing angle of responsive feed for antenna controller provides real-time antenna polarization angle feedback, carries out the closed loop adjustment according to the antenna polarization angle of described feedback to feed.
In step S08, show the running state information of each device, comprise antenna bearingt, pitching, polarizing angle, antenna receives beacon signal level, antenna tracing mode or the like.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1, a kind of polarization adjustment device of vehicle-mounted satellite mobile communication antenna comprises antenna and feed, it is characterized in that, this device also comprises:
The attitude sensing device is used to obtain the attitude change information of the antenna at vehicle-mounted station with respect to three;
Antenna controller links to each other with described attitude sensing device, is used for the polarizing angle of antenna being carried out the dynamic compensation analysis according to the output of described attitude sensing device, and according to the analysis result output driving current;
The polarization motor links to each other with described antenna controller, is used for driving feed under the output current control of antenna controller and rotates, and carries out the adjustment of antenna polarization angle.
2, the polarization adjustment device of vehicle-mounted satellite mobile communication antenna as claimed in claim 1 is characterized in that, described antenna controller specifically comprises:
Signal receiving device is used to receive the attitude change information of described attitude sensing device output, and obtains the geographical location information at vehicle-mounted station from gps system;
The dynamic compensation analytical equipment is used for according to the output of described signal receiving device the polarizing angle of antenna being carried out the dynamic compensation analysis, calculates the polarizing angle offset of antenna;
Current output device is used for the corresponding polarization motor drive current of antenna polarization angle compensation value output according to described dynamic compensation analytical equipment output.
3, the polarization adjustment device of vehicle-mounted satellite mobile communication antenna as claimed in claim 2 is characterized in that, described attitude sensing device comprises:
Three gyrosensors are used for the attitude of exploring antenna with respect to three and change, and described variation is converted to voltage signal output;
The AD sampling apparatus is used for the voltage signal of described three gyrosensors output is carried out timing sampling, and described signal receiving device comprises:
The GPS receiving system is used for obtaining from gps system the position latitude and longitude coordinates data at vehicle-mounted station;
The sampling receiving system is used to receive the voltage signal that the AD sampling apparatus samples.
As the polarization adjustment device of each described vehicle-mounted satellite mobile communication antenna among the claim 1-3, it is characterized in that 4, this device also comprises:
The polarizing angle transducer links to each other with feed and antenna controller, is used for the polarizing angle of responsive feed, for antenna controller provides real-time antenna polarization angle feedback.
5, the polarization adjustment device of vehicle-mounted satellite mobile communication antenna as claimed in claim 4 is characterized in that, described antenna controller also comprises:
The keying display unit is used to show above-mentioned each running state information of installing.
6, a kind of polarization method of adjustment of vehicle-mounted satellite mobile communication antenna is characterized in that, may further comprise the steps:
Obtain the geographical location information at vehicle-mounted station and the attitude change information of antenna with respect to three at vehicle-mounted station;
According to described attitude change information the polarizing angle of antenna is carried out the dynamic compensation analysis, calculate the polarizing angle offset of antenna;
Drive feed according to described polarizing angle offset and rotate, carry out the adjustment of antenna polarization angle.
7, the polarization method of adjustment of vehicle-mounted satellite mobile communication antenna as claimed in claim 6 is characterized in that, step is obtained the attitude change information of the antenna at vehicle-mounted station with respect to three and specifically comprised:
The attitude of the antenna at responsive vehicle-mounted station with respect to three changes, and described attitude change information is converted to voltage signal output;
Voltage signal to output carries out timing AD sampling.
8, as the polarization method of adjustment of claim 6 or 7 described vehicle-mounted satellite mobile communication antennas, it is characterized in that, rotate the step of carrying out the polarizing angle adjustment according to the offset driven antenna at described antenna polarization angle and comprise:
Driving current value according to the compensation value calculation at described antenna polarization angle polarization motor;
Export described drive current drives polarization motor;
The driving feed rotates, and carries out antenna polarization angle adjustment degree.
9, the polarization method of adjustment of vehicle-mounted satellite mobile communication antenna as claimed in claim 8 is characterized in that, also comprises:
The polarizing angle of responsive feed is for antenna controller provides real-time antenna polarization angle feedback;
The closed loop adjustment is carried out to feed in antenna polarization angle according to described feedback.
10, the polarization method of adjustment of vehicle-mounted satellite mobile communication antenna as claimed in claim 9 is characterized in that, also comprises:
The running state information that shows above-mentioned each device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710028358 CN101087041A (en) | 2007-05-31 | 2007-05-31 | A polarization adjustment device of onboard satellite communication antenna and method |
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|---|---|---|---|
| CN 200710028358 CN101087041A (en) | 2007-05-31 | 2007-05-31 | A polarization adjustment device of onboard satellite communication antenna and method |
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| CN101087041A true CN101087041A (en) | 2007-12-12 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893902A (en) * | 2010-07-07 | 2010-11-24 | 北京爱科迪信息通讯技术有限公司 | Satellite antenna control system and satellite finding method |
| CN101938038A (en) * | 2010-07-07 | 2011-01-05 | 北京爱科迪信息通讯技术有限公司 | Automatic adjusting device and method of satellite antenna polarization |
| CN101950844A (en) * | 2010-08-30 | 2011-01-19 | 北京爱科迪信息通讯技术有限公司 | Portable satellite antenna system with auxiliary star aiming device and star aiming method thereof |
| CN102468536A (en) * | 2010-11-17 | 2012-05-23 | ***通信集团江苏有限公司 | Base station antenna angular adjustment method and system |
| CN101478334B (en) * | 2008-11-27 | 2012-06-27 | 电子科技大学 | Polarization state switching device for rotary antenna |
| CN107270864A (en) * | 2016-04-06 | 2017-10-20 | ***通信有限公司研究院 | A kind of data measurin system, part and method |
| CN109196904A (en) * | 2016-06-27 | 2019-01-11 | 矢崎总业株式会社 | Communications Management Units and communication system |
| CN112235020A (en) * | 2020-12-08 | 2021-01-15 | 成都天锐星通科技有限公司 | Phased array antenna polarization tracking method and device and electronic equipment |
| CN112785827A (en) * | 2019-11-06 | 2021-05-11 | 沈阳新松机器人自动化股份有限公司 | Antenna angle control system and method based on network communication technology |
-
2007
- 2007-05-31 CN CN 200710028358 patent/CN101087041A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478334B (en) * | 2008-11-27 | 2012-06-27 | 电子科技大学 | Polarization state switching device for rotary antenna |
| CN101938038A (en) * | 2010-07-07 | 2011-01-05 | 北京爱科迪信息通讯技术有限公司 | Automatic adjusting device and method of satellite antenna polarization |
| CN101893902A (en) * | 2010-07-07 | 2010-11-24 | 北京爱科迪信息通讯技术有限公司 | Satellite antenna control system and satellite finding method |
| CN101893902B (en) * | 2010-07-07 | 2013-01-09 | 北京爱科迪信息通讯技术有限公司 | Satellite antenna control system and satellite finding method |
| CN101938038B (en) * | 2010-07-07 | 2013-06-05 | 北京爱科迪信息通讯技术有限公司 | Automatic adjusting device and method of satellite antenna polarization |
| CN101950844B (en) * | 2010-08-30 | 2013-06-05 | 北京爱科迪信息通讯技术有限公司 | Portable satellite antenna system with auxiliary star aiming device and star aiming method thereof |
| CN101950844A (en) * | 2010-08-30 | 2011-01-19 | 北京爱科迪信息通讯技术有限公司 | Portable satellite antenna system with auxiliary star aiming device and star aiming method thereof |
| CN102468536A (en) * | 2010-11-17 | 2012-05-23 | ***通信集团江苏有限公司 | Base station antenna angular adjustment method and system |
| CN107270864A (en) * | 2016-04-06 | 2017-10-20 | ***通信有限公司研究院 | A kind of data measurin system, part and method |
| CN109196904A (en) * | 2016-06-27 | 2019-01-11 | 矢崎总业株式会社 | Communications Management Units and communication system |
| CN109196904B (en) * | 2016-06-27 | 2021-08-31 | 矢崎总业株式会社 | Communication management device and communication system |
| CN112785827A (en) * | 2019-11-06 | 2021-05-11 | 沈阳新松机器人自动化股份有限公司 | Antenna angle control system and method based on network communication technology |
| CN112785827B (en) * | 2019-11-06 | 2023-09-19 | 沈阳新松机器人自动化股份有限公司 | Antenna angle control system and method based on network communication technology |
| CN112235020A (en) * | 2020-12-08 | 2021-01-15 | 成都天锐星通科技有限公司 | Phased array antenna polarization tracking method and device and electronic equipment |
| CN112235020B (en) * | 2020-12-08 | 2021-02-26 | 成都天锐星通科技有限公司 | Phased array antenna polarization tracking method and device, electronic equipment and readable storage medium |
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