CN101800358B - Shipborne satellite antenna control system - Google Patents
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- CN101800358B CN101800358B CN2010101386788A CN201010138678A CN101800358B CN 101800358 B CN101800358 B CN 101800358B CN 2010101386788 A CN2010101386788 A CN 2010101386788A CN 201010138678 A CN201010138678 A CN 201010138678A CN 101800358 B CN101800358 B CN 101800358B
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Abstract
The invention provides a shipborne satellite antenna control system which belongs to the technical field of communication and solves the problems of low adjustment precision and low data processing speed of the traditional satellite communication antenna stable tracking control system used for moving carriers. The shipborne satellite antenna control system is arranged between a satellite antenna and a satellite receiver and comprises a main control subsystem and an indoor subsystem connected to the main control subsystem, wherein the main control subsystem is connected with the satellite antenna; the indoor subsystem is connected with the satellite receiver; the main control subsystem comprises a main control power management module capable of providing power for the main control subsystem; and the indoor subsystem comprises an indoor power management module capable of providing power for the indoor subsystem and the main control power management module. The invention has the advantages of reasonable design, simple structure, good working stability, independent power supply capacity, and the like.
Description
Technical field
The invention belongs to communication technique field, especially relate to a kind of Shipborne satellite antenna control system.
Background technology
Satellite antenna receives faint satellite-signal and satellite-signal is reflexed to the low noise frequency reducing amplifier in the disc-shaped antenna.Low noise frequency reducing amplifier utilizes oscillatory circuit that the high frequency satellite-signal is converted to intermediate frequency after this signal of concentrating is amplified to hundreds thousand of times again.This intermediate-freuqncy signal is a modulating signal, after the STB demodulation is recovered to video-audio signal, can imports TV and use again.
Satellite antenna of the prior art adopts the receiver power supply usually; Yet because the satellite antenna of mobile vehicle must be adjusted antenna elevation angle and position angle in real time through motor; System power consumption is relatively large, and the receiver power supply can not be satisfied power requirement, needs independent electric power system.On the other hand; Because satellite antenna need receive the microwave signal of satellites transmits; And disc-shaped antenna is a kind of satellite earth antenna of high directivity; Because its receiving feature need be in the disc-shaped antenna centre in alignment with remote satellite (about 36,000 kilometers), so the sensing orientation of disc-shaped antenna needs very high precision.Therefore, can receive the satellite microwave signal effectively, have and to adjust the elevation angle and azimuthal mechanism design is indispensable condition in order to improve disc-shaped antenna.When particularly satellite antenna being applied to removable environment such as boats and ships, vehicle, the elevation angle and azimuthal adjustment seem particularly important.The drawback that ubiquitous tracking performance was unstable when the satellite antenna of prior art was used on the boats and ships, the chance stormy waves is prone to lossing signal.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example; The Chinese patent document discloses a kind of satellite communication antena tenacious tracking control system [application number: 200810025575.3] that is used for motion carrier, is made up of with control motor, mechanical driving device and satellite communication antena with control motor, the integrated driving of roll with control motor, the integrated driving of pitching flush type antenna controller, attitude sensor, high-frequency signal processor, GPS receiver, the integrated driving in orientation.This scheme adopts the integrated driving and control motor of design, but the output shaft direct driven antenna.Connect through the fieldbus mode between each critical piece of system and the user's operating terminal.Though this scheme realizes adjustment automatically, it is not high to adjust precision, and data processing speed is slow, thereby causes the response lag of antenna adjustment.
Summary of the invention
The objective of the invention is provides a kind of reasonable in design, simple in structure to the problems referred to above, and good operating stability possesses independently-powered ability, is specially adapted to the Shipborne satellite antenna control system of mobile vehicle.
For achieving the above object; The present invention has adopted following technical proposal: this Shipborne satellite antenna control system; Be arranged between satellite antenna and the DVB, it is characterized in that, this control system comprises the master control subsystem and is connected in the house subsystem on the master control subsystem; Described master control subsystem and satellite antenna link; Described house subsystem and DVB link, and described master control subsystem comprises the master control power management module that power supply can be provided for the master control subsystem, and described house subsystem comprises the indoor power supply administration module that power supply can be provided for house subsystem and above-mentioned master control power management module.
House subsystem provides the electric power support for this control system, the automatic tracking satellite of master control subsystem, and receive the live telecast signal.Because this control system is applied to boats and ships; Therefore when work, need the adjustment satellite antenna elevation angle and position angle in real time; System power consumption is relatively large, has realized possessing independent electric power system through house subsystem, therefore need not receiver power supply via satellite and can satisfy the energy supply fully.
In above-mentioned Shipborne satellite antenna control system, described master control subsystem comprise can with the joining master controller of house subsystem, on master controller, be connected with antenna attitude administration module and SIGNALS MANAGEMENT module.
In above-mentioned Shipborne satellite antenna control system; Described antenna attitude administration module comprises the elevation angle adjusting module that can adjust the satellite antenna elevation angle that is connected between master controller and the satellite antenna and the position angle adjusting module that can adjust the satellite antenna position angle; On satellite antenna, also be provided with the elevation angle variation that can detect satellite antenna in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector of elevation angle adjusting module and position angle adjusting module respectively; Described elevation angle adjusting module can be proofreaied and correct the elevation angle of satellite antenna according to elevation angle variable signal in real time, and described position angle adjusting module can be proofreaied and correct the position angle of satellite antenna according to the azimuthal variation signal in real time.
Owing to be provided with calibration detector; Can in time grasp satellite antenna because of jolting, wind-force, the angle that the external environment reason causes such as rocking and change; Thereby in time it is made adjustment, satellite antenna is rotated to an angle, compensation is changed by the satellite antenna angle that external environment causes; Thereby make the satellite antenna attitude break away from the interference of external environment, only accept the angular setting order of master controller.
In above-mentioned Shipborne satellite antenna control system; Described SIGNALS MANAGEMENT module comprises LNB voltage selection module, satellite-signal detuner, AGC modulate circuit and tuner; Described LNB voltage is selected module to be connected between master controller and the satellite-signal detuner and can provided power supply and satellite-signal detuner and to receive the signal intensity of CF section according to the control setting frequency parameter of master controller to the satellite-signal detuner according to the control of master controller; Described tuner is connected between satellite-signal detuner and the satellite antenna and by the power supply of satellite-signal detuner, described AGC modulate circuit is connected between master controller and the satellite-signal detuner and will imports master controller as the voltage signal of satellite antenna attitude adjustment basis for estimation.
In above-mentioned Shipborne satellite antenna control system; Described house subsystem comprises message handler and voltage comparison module; Described message handler and master control subsystem link; Described voltage comparison module is connected between DVB and the message handler and voltage comparison module can be confirmed the DVB current output voltage and with the current output voltage information conveyance to message handler, described message handler can pass to DVB current output voltage information the master control subsystem and receive the satellite antenna status information that the master control subsystem passes over.
In above-mentioned Shipborne satellite antenna control system, be connected with the pilot lamp that to indicate satellite antenna work at present state on the described message handler; Described message handler has to write needs satellite downlink frequency information of following the tracks of and the on-line debugging interface of selecting different direct broadcasting satellites to follow the tracks of.
Be convenient to the operator through pilot lamp and understand the satellite antenna current working state, and failure judgement occurrence cause according to this, fast satellite antenna is adjusted.Through the on-line debugging interface signal that receives different frequency range can be set, thereby the purpose that reaches identification, follows the tracks of different satellites uses flexible.
In above-mentioned Shipborne satellite antenna control system, described indoor power supply administration module comprises interchange input processing unit that can external alternating voltage be converted to required DC voltage output and the direct current input processing unit that can external DC voltage be converted to required DC voltage output.Electric power supply on the boats and ships mainly contains 220V and exchanges and 24V direct current dual mode, and indoor voltage administration module has also designed 90V-250V and exchanged input and two kinds of schemes of 10V-30V direct current input, and is therefore very easy to use.
In above-mentioned Shipborne satellite antenna control system, also be connected with the travel control switch that is used to limit satellite antenna elevation angle rotation amplitude between described elevation angle adjusting module and the satellite antenna.Travel control switch plays the effect of restriction satellite antenna elevation angle rotation amplitude, and the elevation angle that makes satellite antenna is 0 ° of-90 ° of variation.
In above-mentioned Shipborne satellite antenna control system; Described elevation angle adjusting module comprises elevation-angle controller, elevation angle driving circuit and the elevation angle adjustment motor of series connection successively; Described elevation-angle controller is connected on the master controller and can receives the elevation angle adjustment signal of master controller, and described elevation angle adjustment motor is connected on the satellite antenna; Described position angle adjusting module comprises position angle controller, position angle driving circuit and the position angle adjustment motor of series connection successively; Described position angle controller is connected on the master controller and can receives the position angle adjustment signal of master controller, and described position angle adjustment motor is connected on the satellite antenna.
In above-mentioned Shipborne satellite antenna control system, described calibration detector is a gyroscope; Described elevation angle adjustment motor and position angle adjustment motor are stepper motor.Gyroscope adopts the high-precision optical fiber minisize gyroscopes, is fixed on the elevation angle and the azimuthal variation of responding to satellite antenna on the satellite antenna in real time.In addition, adopt stepper motor to help improving control accuracy.
Compared with prior art, the advantage of this Shipborne satellite antenna control system is: 1, have independently electric power system, ensure because of the required power supply supply of frequent adjustment satellite antenna, and simultaneously can be normally compatible with DVB.2, can in the process of ship running, seek satellite automatically, and the real-time lock satellite position, fast and stable ground tracking satellite.3, can show the satellite antenna current working state through the pilot lamp on the house subsystem; House subsystem and master control subsystem can transinformations; Be convenient to the operator and understand the satellite antenna current working state, and failure judgement occurrence cause according to this, fast satellite antenna is adjusted.4, the signal that satellite demodulator receives different frequency range can be set easily, thus the purpose that reaches identification, follows the tracks of different satellites.
Description of drawings
Fig. 1 is a structure diagram provided by the invention.
Fig. 2 is a house subsystem structured flowchart provided by the invention.
Fig. 3 is a master control subsystem structure block diagram provided by the invention.
Among the figure, satellite antenna 1, antenna F 100, DVB 2, receiver F 20, master control subsystem 3, master control borad interface 30, house subsystem 4, message handler 41, on-line debugging interface 410, voltage comparison module 42, pilot lamp 43, master control power management module 5, indoor power supply administration module 6, switch 60, exchange input processing unit 61, direct current input processing unit 62, master controller 7, antenna attitude administration module 8, elevation angle adjusting module 81, elevation-angle controller 81a, elevation angle driving circuit 81b, elevation angle adjustment motor 81c, position angle adjusting module 82, position angle controller 82a, position angle driving circuit 82b, position angle adjustment motor 82c, calibration detector 83, travel control switch 84, SIGNALS MANAGEMENT module 9, LNB voltage and select module 91, satellite-signal detuner 92, AGC modulate circuit 93, tuner 94, USART telecommunication circuit 10.
Embodiment
As shown in Figure 1, this Shipborne satellite antenna control system is arranged on and comprises master control subsystem 3 between satellite antenna 1 and the DVB 2 and be connected in the house subsystem 4 on the master control subsystem 3.Master control subsystem 3 links with satellite antenna 2; House subsystem 4 links with DVB 2; Master control subsystem 3 comprises the master control power management module 5 that power supply can be provided for master control subsystem 3, and house subsystem 4 comprises the indoor power supply administration module 6 that power supply can be provided for house subsystem 4 and master control power management module 5.House subsystem 4 provides the electric power support for this control system, master control subsystem 7 automatic tracking satellites, and receive the live telecast signal.Because this control system is applied to boats and ships; Therefore when work, need the adjustment satellite antenna elevation angle and position angle in real time; System power consumption is relatively large, has realized possessing independent electric power system through house subsystem 4, therefore need not receiver 2 power supplies via satellite and can satisfy the energy supply fully.House subsystem 4 and master control subsystem 7 link to each other through concentric cable among the present invention.Indoor power supply administration module 6 converts external input voltage into 18V and 3.3V output, and wherein 18V voltage directly gives the master control subsystem 7 power supplies, and 3.3V gives house subsystem 4 power supplies.The 18V DC voltage that master control power management module 5 transmits with indoor power supply administration module 6 is exported 18V, 13V, 5V, 3.3V and 2.5V DC voltage simultaneously as input.
As shown in Figure 2, house subsystem 4 comprises message handler 41 and voltage comparison module 42.Message handler 41 links with master control subsystem 3, and voltage comparison module 42 is connected between DVB 2 and the message handler 41.Voltage comparison module 42 can confirm DVB 2 current output voltage and with current output voltage information conveyance to message handler 41, message handler 41 can pass to DVB 2 current output voltage information master control subsystem 3 and receive satellite antenna 1 status information that master control subsystem 3 passes over.More particularly, voltage comparison module 42 links to each other with DVB 2 through concentric cable, can confirm that through comparing DVB 2 current output voltages are 13V or 18V, and comparative result is passed to message handler 41.
Be connected with the pilot lamp 43 that to indicate satellite antenna 1 work at present state on the message handler 41.Message handler 41 has to write needs satellite downlink frequency information of following the tracks of and the on-line debugging interface 410 of selecting different direct broadcasting satellites to follow the tracks of.Consider that the electric power supply on the boats and ships mainly contains 220V interchange and 24V direct current dual mode, indoor power supply administration module 6 comprises interchange input processing unit 61 that can external 220V alternating voltage be converted to required DC voltage output and the direct current input processing unit 62 that can external 18V-24V DC voltage be converted to required DC voltage output.Input end at indoor power supply administration module 6 also is connected with switch 60.Use USART telecommunication circuit 10 communicate by letter between message handler 41 and the master control subsystem 7, USART telecommunication circuit 10 guarantees that signals can transmit the distance of growing.
As shown in Figure 3, master control subsystem 3 comprise can with house subsystem 4 joining master controllers 7, on master controller 7, be connected with antenna attitude administration module 8 and SIGNALS MANAGEMENT module 9.Antenna attitude administration module 8 comprises the elevation angle adjusting module 81 that can adjust satellite antenna 1 elevation angle that is connected between master controller 7 and the satellite antenna 1 and the position angle adjusting module 82 that can adjust satellite antenna 1 position angle.On satellite antenna 1, also be provided with the elevation angle variation that can detect satellite antenna 1 in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector 83 of elevation angle adjusting module 81 and position angle adjusting module 82 respectively.Elevation angle adjusting module 81 can be proofreaied and correct the elevation angle of satellite antenna 1 according to elevation angle variable signal in real time, and position angle adjusting module 82 can be proofreaied and correct the position angle of satellite antenna 1 according to the azimuthal variation signal in real time.Calibration detector 43 is a gyroscope; And gyroscope adopts the high-precision optical fiber minisize gyroscopes, and it is fixed on the elevation angle and the azimuthal variation of responding to satellite antenna 1 on the satellite antenna 1 in real time, and the angle change information is transferred to elevation angle adjusting module 81 and position angle adjusting module 82 respectively; Elevation angle adjusting module 81 and position angle adjusting module 82 are respectively according to this angle change information; Carry out independently angular setting control, in time rotate to an angle, compensation causes that by external environment satellite antenna 1 angle changes; Thereby make satellite antenna 1 attitude break away from the interference of external environment, only accept the angular setting order of master controller 7.
Also be connected with the travel control switch 84 that is used to limit satellite antenna 1 elevation angle rotation amplitude between elevation angle adjusting module 81 and the satellite antenna 1.Travel control switch 84 plays the effect of restriction satellite antenna 1 elevation angle rotation amplitude, and the elevation angle that makes satellite antenna 1 is 0 ° of-90 ° of variation.
The elevation angle adjusting module 81 here comprises elevation-angle controller 81a, elevation angle driving circuit 81b and the elevation angle adjustment motor 81c of series connection successively.Elevation-angle controller 81a is connected on the master controller 7 and can receives the elevation angle adjustment signal of master controller 7, and elevation angle adjustment motor 81a is connected on the satellite antenna 1.The position angle adjusting module 82 here comprises position angle controller 82a, position angle driving circuit 82b and the position angle adjustment motor 82c of series connection successively.Position angle controller 82a is connected on the master controller 7 and can receives the position angle adjustment signal of master controller 7, and position angle adjustment motor 82c is connected on the satellite antenna 1.Elevation angle adjustment motor 81c and position angle adjustment motor 82c are stepper motor.
SIGNALS MANAGEMENT module 9 comprises LNB voltage selection module 91, satellite-signal detuner 92, AGC modulate circuit 93 and tuner 94.LNB voltage is selected module 91 to be connected between master controller 7 and the satellite-signal detuner 92 and can to satellite-signal detuner 92 power supply be provided according to the control of master controller 7, and satellite-signal detuner 92 can and receive the signal intensity of CF section according to the control setting frequency parameter of master controller 7.LNB voltage selects module 91 directly to accept the control of master controller 7, and output 18V or 13V voltage are given satellite-signal detuner 92.Tuner 94 is connected between satellite-signal detuner 92 and the satellite antenna 1 and by satellite-signal detuner 92 and supplies power.AGC modulate circuit 93 is connected between master controller 7 and the satellite-signal detuner 92; The AGC signal is through signal condition; Become the certain voltage signal of mean value and peak value and directly import master controller 7, this voltage signal will be as satellite antenna attitude adjustment basis for estimation.The LNB voltage here selects module 91, elevation angle adjusting module 81, position angle adjusting module 82 directly to use 18V voltage, and satellite-signal detuner 92 uses 13V (or 18V), 3.3V, 2.5V voltage, and other parts are used 5V voltage.
In the present embodiment, master controller 7 links with master control borad interface 30 through the USART telecommunication circuit 10 of master control subsystem 3, and satellite-signal detuner 92 is connected on the master control borad interface 30.Master control power management module 5 is connected on the master control borad interface 30.On the USART of house subsystem 4 telecommunication circuit 10, be connected with antenna F 100.Be connected with receiver F 20 on the voltage comparison module 42, receiver F 20 is connected on the DVB 2.Above-mentioned antenna F 100 and receiver F 20 link and between antenna F 100 and receiver F 20, be provided with can make high-frequency signal through and stop the resistance of direct current.Message handler 41 adopts the ATMEGA8L chip; Master controller 7 adopts the PIC18F2520 chip; Elevation-angle controller 81a and position angle controller 82a adopt the PIC16F876A chip; Elevation angle driving circuit 81b and position angle driving circuit 82b adopt the SLA7062M chip, and LNB voltage selects module 91 to adopt the A8282SLB chip, and satellite-signal detuner 92 adopts SHARP BS2F7HZ7395 module.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used more term morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (10)
1. Shipborne satellite antenna control system; Be arranged between satellite antenna (1) and the DVB (2); It is characterized in that; This control system comprises master control subsystem (3) and is connected in the house subsystem (4) on the master control subsystem (3); Described master control subsystem (3) links with satellite antenna (1); Described house subsystem (4) and DVB (2) link, and described master control subsystem (3) comprises the master control power management module (5) that power supply can be provided for master control subsystem (3), and described house subsystem (4) comprises the indoor power supply administration module (6) that power supply can be provided for house subsystem (4) and above-mentioned master control power management module (5).
2. Shipborne satellite antenna control system according to claim 1; It is characterized in that; Described master control subsystem (3) comprise can with the joining master controller of house subsystem (4) (7), on master controller (7), be connected with antenna attitude administration module (8) and SIGNALS MANAGEMENT module (9).
3. Shipborne satellite antenna control system according to claim 2; It is characterized in that; Described antenna attitude administration module (8) comprises the elevation angle adjusting module (81) that can adjust satellite antenna (1) elevation angle that is connected between master controller (7) and the satellite antenna (1) and the position angle adjusting module (82) that can adjust satellite antenna (1) position angle; On satellite antenna (1), also be provided with the elevation angle variation that can detect satellite antenna (1) in real time and azimuthal variation and elevation angle variable signal and azimuthal variation signal passed to the calibration detector (83) of elevation angle adjusting module (81) and position angle adjusting module (82) respectively; Described elevation angle adjusting module (81) can be proofreaied and correct the elevation angle of satellite antenna (1) according to elevation angle variable signal in real time, and described position angle adjusting module (82) can be proofreaied and correct the position angle of satellite antenna (1) according to the azimuthal variation signal in real time.
4. Shipborne satellite antenna control system according to claim 2; It is characterized in that; Described SIGNALS MANAGEMENT module (9) comprises LNB voltage selection module (91), satellite-signal detuner (92), AGC modulate circuit (93) and tuner (94); Described LNB voltage selects module (91) to be connected between master controller (7) and the satellite-signal detuner (92) also can provide power supply and satellite-signal detuner (92) and to receive the signal intensity of CF section according to the control setting frequency parameter of master controller (7) to satellite-signal detuner (92) according to the control of master controller (7); Described tuner (94) is connected between satellite-signal detuner (92) and the satellite antenna (1) and by satellite-signal detuner (92) power supply, described AGC modulate circuit (93) is connected between master controller (7) and the satellite-signal detuner (92) and will imports master controller (7) as the voltage signal of satellite antenna (1) attitude adjustment basis for estimation.
5. according to claim 1 or 2 or 3 or 4 described Shipborne satellite antenna control systems; It is characterized in that; Described house subsystem (4) comprises message handler (41) and voltage comparison module (42); Described message handler (41) links with master control subsystem (3); Described voltage comparison module (42) is connected between DVB (2) and the message handler (41) and voltage comparison module (42) can be confirmed DVB (2) current output voltage and with current output voltage information conveyance to message handler (41), described message handler (41) can pass to DVB (2) current output voltage information master control subsystem (3) and receive satellite antenna (1) status information that master control subsystem (3) passes over.
6. Shipborne satellite antenna control system according to claim 5 is characterized in that, is connected with the pilot lamp (43) that can indicate satellite antenna (1) work at present state on the described message handler (41); Described message handler (41) has to write needs satellite downlink frequency information of following the tracks of and the on-line debugging interface (410) of selecting different direct broadcasting satellites to follow the tracks of.
7. Shipborne satellite antenna control system according to claim 5; It is characterized in that described indoor power supply administration module (6) comprises the interchange input processing unit (61) that can external alternating voltage be converted to required DC voltage output and can external DC voltage be converted to the direct current input processing unit (62) of required DC voltage output.
8. Shipborne satellite antenna control system according to claim 3 is characterized in that, also is connected with the travel control switch (84) that is used to limit satellite antenna (1) elevation angle rotation amplitude between described elevation angle adjusting module (81) and the satellite antenna (1).
9. Shipborne satellite antenna control system according to claim 8; It is characterized in that; Described elevation angle adjusting module (81) comprises elevation-angle controller (81a), elevation angle driving circuit (81b) and the elevation angle adjustment motor (81c) of series connection successively; Described elevation-angle controller (81a) is connected in the elevation angle adjustment signal that master controller (7) was gone up and can be received to master controller (7), and described elevation angle adjustment motor (81c) is connected on the satellite antenna (1); Described position angle adjusting module (82) comprises position angle controller (82a), position angle driving circuit (82b) and the position angle adjustment motor (82c) of series connection successively; Described position angle controller (82a) is connected in the position angle adjustment signal that master controller (7) was gone up and can be received to master controller (7), and described position angle adjustment motor (82c) is connected on the satellite antenna (1).
10. Shipborne satellite antenna control system according to claim 9 is characterized in that, described calibration detector (83) is a gyroscope; Described elevation angle adjustment motor (81c) and position angle adjustment motor (82c) are stepper motor.
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| CN2010101386788A CN101800358B (en) | 2010-04-03 | 2010-04-03 | Shipborne satellite antenna control system |
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| CN2010101386788A CN101800358B (en) | 2010-04-03 | 2010-04-03 | Shipborne satellite antenna control system |
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| CN101800358B true CN101800358B (en) | 2012-09-05 |
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| CN106487440B (en) * | 2016-10-09 | 2019-05-10 | 西安坤蓝电子技术有限公司 | A kind of acquisition methods that judge signal of pair of satelloid |
| CN113131994B (en) * | 2021-04-22 | 2023-07-21 | 深圳市星楷通讯设备有限公司 | Integrated intelligent shipborne satellite communication system |
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|---|---|---|---|---|
| CN101222265A (en) * | 2008-01-24 | 2008-07-16 | 翟新海 | Automatic star finding controller of vehicle mounted satellite communication antenna |
| CN101505183A (en) * | 2009-03-19 | 2009-08-12 | 上海交通大学 | Digital satellite beacon tracking instrument oriented to Ku wave band |
| CN101577367A (en) * | 2008-05-08 | 2009-11-11 | 南京理工大学 | Stable tracking control system for satellite communication antenna for motion carrier |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222265A (en) * | 2008-01-24 | 2008-07-16 | 翟新海 | Automatic star finding controller of vehicle mounted satellite communication antenna |
| CN101577367A (en) * | 2008-05-08 | 2009-11-11 | 南京理工大学 | Stable tracking control system for satellite communication antenna for motion carrier |
| CN101505183A (en) * | 2009-03-19 | 2009-08-12 | 上海交通大学 | Digital satellite beacon tracking instrument oriented to Ku wave band |
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Address after: 315500 No.499, East Yuelin Road, Yuelin street, Fenghua District, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG CHINASTAR ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 317527 Zhejiang Xingguang Electronic Technology Co., Ltd., No. 3 Chaoyang Road, Wenling Jing Jing Industrial Zone, Zhejiang, Taizhou Patentee before: ZHEJIANG CHINASTAR ELECTRONIC SCIENCE & TECHNOLOGY Co.,Ltd. |