CN101938038A - Automatic adjusting device and method of satellite antenna polarization - Google Patents
Automatic adjusting device and method of satellite antenna polarization Download PDFInfo
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- CN101938038A CN101938038A CN2010102274084A CN201010227408A CN101938038A CN 101938038 A CN101938038 A CN 101938038A CN 2010102274084 A CN2010102274084 A CN 2010102274084A CN 201010227408 A CN201010227408 A CN 201010227408A CN 101938038 A CN101938038 A CN 101938038A
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Abstract
The invention discloses an automatic adjusting device and method of satellite antenna polarization. The method comprises: respectively controlling the satellite antenna polarization to rotate to a miuns 90-degree polarization stopper and a 90-degree polarization stopper; respectively outputting a first voltage value corresponding to the mius 90-degree polarization stopper and a second voltage value corresponding to the 90-degree polarization stopper by the sampling end of the polarization stoppers; calculating the polarization coefficient according to the voltage values; controlling the satellite antenna polarization to rotate to a 0-degree polarization stopper; outputting a third voltage value corresponding to the 0-degree polarization stopper by the sampling end of the polarization stopper; according to the third voltage value and the theoretical 0-degree polarization voltage value, calculating a calibration parameter; according to the polarization coefficient and the calibration parameter, calculating to obtain the position of a polarization potentiometer corresponding to the practical polarization angle of satellite antenna; and controlling the polarization potentiometer to rotate the calculation position. The invention improves the polarization adjusting precision and reduces the polarization adjusting time.
Description
Technical field
The present invention relates to the satellite antenna technical field, particularly a kind of satellite antenna polarization automatic regulating apparatus and method.
Background technology
At present, the on-the-spot artificial mode of adjusting is generally adopted in the adjustment of the polarization of satellite antenna, the staff is according to the parameter of the geographical longitude and latitude and the work satellite of working point, the artificial antenna polarization angle of calculating, then with the antenna polarization angle of antenna polarization hand rotation to this calculating, and instrumentation carries out trickle adjustment, thereby the satellite antenna polarization is complementary with satellite-signal.This mode has following defective: the one, and on-the-spot artificial adjustment program complexity, needing the professional to operate just can finish, the labor intensive material resources; The 2nd, the adjustment time is long, influences the speed of opening of antenna; The 3rd, polarization is adjusted needs professional instrument and instrument, makes troubles to the operator.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is how to adjust the antenna polarization angle automatically, and improves the precision that polarization is adjusted, and reduces the time that polarization is adjusted.
(2) technical scheme
For this reason, the invention provides a kind of satellite antenna polarization automatic regulating apparatus, comprise satellite antenna (1), the low noise block downconverter (2) that is connected with described satellite antenna (1), the coupler (3) that is connected with described low noise block downconverter (2), the receiver (4) that is connected with described coupler (3), the A/D modular converter (5) that is connected with described receiver (4), the antenna controller (6) that is connected with described A/D modular converter (5), the antenna servo device (7) that is connected with described antenna controller (6), described antenna controller (6) also respectively with dipmeter (8), global positioning system (GPS) receiver (9) is connected with polarization sensor (10), described antenna controller (6) also respectively with polarization potential device (12),-90 degree polarization stops, 90 degree polarization stops and 0 degree polarization stop are connected;
The polarization that described antenna controller (6) is used for controlling respectively satellite antenna (1) turns to-90 degree polarization stops and 90 degree polarization stops, read first magnitudes of voltage of-90 degree polarization stop correspondences of described polarization potential device (12) output and second magnitude of voltage of 90 degree polarization stop correspondences, calculate polarization coefficient according to two magnitudes of voltage; The polarization that described antenna controller (6) also is used to control satellite antenna (1) turns to 0 degree polarization stop, read the tertiary voltage value of 0 degree polarization stop correspondence of described polarization potential device (12) output, calculate school zero parameter according to described tertiary voltage value and theoretical 0 degree polarizing voltage value; Described antenna controller (6) also is used for the theoretical polarizing angle according to the satellite antenna (1) that calculates, and the roll parameter that reads calculates the actual polarization angle of described satellite antenna (1); According to described polarization coefficient and school zero parameter, calculate the position of the polarization potential device (12) of described actual polarization angle correspondence, and control the position that described polarization potential device (12) turns to calculating.
Wherein, described antenna controller also is used for calculating the theoretical angle of pitch and the theoretical polarizing angle of described satellite antenna (1) according to the Satellite Tracking parameter of storage with the geographical longitude and latitude that reads, and controls described antenna servo device the angle of pitch of satellite antenna (1) is adjusted to the theoretical angle of pitch.
Described polarization stop is used to control the angle of polarization, described polarization potential device is used for the different magnitude of voltage of difference output according to the polarizing angle of satellite antenna (1), described dipmeter (8) is used to read the antenna attitude parameter and the roll parameter of satellite antenna (1), and described GPS receiver (9) is used to read the geographical longitude and latitude of earth station.
The present invention also provides a kind of satellite antenna polarization automatic adjusting method, may further comprise the steps:
The polarization of step 20, the described satellite antenna of control turns to 0 degree polarization stop, and the tertiary voltage value of the sampling end output 0 degree polarization stop correspondence of described polarization potential device calculates school zero parameter according to described tertiary voltage value and theoretical 0 degree polarizing voltage value;
The theoretical polarizing angle of the described satellite antenna that step 30, basis calculate, the roll parameter that reads, calculate the actual polarization angle of described satellite antenna, and according to described polarization coefficient and school zero parameter, calculate the position of the polarization potential device of described actual polarization angle correspondence, control the position that described polarization potential device turns to calculating.
Also comprise after the described step 30:
Calculate actual voltage value according to described actual polarization angle and polarization coefficient, by the current polarization angle corresponding voltage value of described polarization potential device sampling, the polarization angle of the described satellite antenna of difference correction by described actual voltage value and current polarization angle corresponding voltage value.
Also comprise before the described step 10:
Described satellite antenna initialization is lifted on the antenna reflective face to the work elevation angle;
Calculate the theoretical polarizing angle and the theoretical angle of pitch of described satellite antenna according to Satellite Tracking parameter that reads and geographical longitude and latitude, and the angle of pitch of controlling described satellite antenna forwards the theoretical angle of pitch to.
(3) beneficial effect
Technical scheme provided by the invention has following beneficial effect: control the adjustment of satellite antenna polarization by the closed-loop control mechanism that adopts the direct voltage feedback, real-Time Compensation realizes the accurate coupling of antenna polarization and satellite-signal owing to the error that mechanical movement, polarization gear unit etc. brings; Calculate polarization coefficient and school zero parameter by three polarization stops are set, improved the precision of polarization sensing data, thereby reduced the interference of polarisation error satellite communication; And polarization method of adjustment of the present invention has reduced the time that polarization is adjusted, and has reduced the professional requirement to the staff, has saved manpower and materials; The invention provides in addition automatically, artificial electronic and wait various modes manually, for staff's work provides convenience, make satellite antenna can both accurately adjust to the right place in all cases.
Description of drawings
Fig. 1 is the satellite antenna polarization automatic regulating apparatus structural representation of the embodiment of the invention;
Fig. 2 is satellite antenna polarization automatic adjusting method embodiment one flow chart of the present invention;
Fig. 3 is satellite antenna polarization automatic adjusting method embodiment two flow charts of the present invention.
Wherein, 1: satellite antenna; 2:LNB; 3: coupler; 4: receiver; The 5:A/D modular converter; 6: antenna controller; 7: the antenna servo device; 8: dipmeter; The 9:GPS receiver; 10: polarization sensor; 11: the polarization stop; 12: the polarization potential device.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, satellite antenna polarization automatic regulating apparatus structural representation for the embodiment of the invention, present embodiment comprises satellite antenna 1, the low noise block downconverter that is connected with satellite antenna 1 (Low Noise Block, LNB) 2, the coupler 3 that is connected with LNB2, the receiver 4 that is connected with coupler 3, the A/D modular converter 5 that is connected with receiver 4, the antenna controller 6 that is connected with A/D modular converter 5, antenna controller 6 also respectively with antenna servo device 7, dipmeter 8, GPS receiver 9, polarization sensor 10, and polarization stop 11, polarization potential device 12 is connected, antenna servo device 7 comprises the pitching gear unit, polarization gear unit and orientation gear unit, the polarization gear unit also is connected with polarization potential device 12, and polarization stop 11 comprises-90 degree polarization stops, 90 degree polarization stops and 0 degree polarization stop; Wherein polarization sensor 10 is used for the real work angle to antenna controller 6 feedback polarizing angles.
Wherein store the Satellite Tracking parameter in the antenna controller 6; Dipmeter 8 is used to read the antenna attitude parameter and measures the expression ground side to the roll parameter that tilts; GPS receiver 9 is used to read the geographical longitude and latitude of earth station; Dipmeter 8 and GPS receiver 9 all are sent to antenna controller 6 with the parameter that reads; Antenna controller 6 calculates the theoretical polarizing angle and the theoretical angle of pitch of satellite antenna 1 according to Satellite Tracking parameter and geographical longitude and latitude, drives the angle of pitch that the pitching gear unit makes satellite antenna 1 then and adjusts to the theoretical angle of pitch.
The antenna controller 6 of present embodiment also is used for the drives polarization gear unit polarization of satellite antenna is turned to-90 degree polarization stops, then polarization stop corresponding voltage value are spent in the sampling end of polarization potential device 12 output-90, present embodiment is referred to as first magnitude of voltage, then this first magnitude of voltage is sent to A/D modular converter 5 and carries out analog-to-digital conversion, digitized first magnitude of voltage that obtains is sent to antenna controller 6; Antenna controller 6 also is used for the drives polarization gear unit satellite antenna polarization is turned to 90 degree polarization stops, the sampling end output 90 degree polarization stop corresponding voltage value of polarization potential device 12, present embodiment is referred to as second magnitude of voltage, then second magnitude of voltage is sent to A/D modular converter 5 and carries out analog-to-digital conversion, digitized second magnitude of voltage that obtains is sent to antenna controller 6; Antenna controller 6 calculates polarization coefficient according to the two digitized magnitudes of voltage that receive; Wherein satellite antenna polarization is turned to-90 degree and the 90 degree stops that polarize and do not have restriction on the sequential;
As shown in Figure 2, be satellite antenna polarization automatic adjusting method embodiment one flow chart of the present invention, present embodiment may further comprise the steps:
The polarization of step 20, control satellite antenna turns to 0 degree polarization stop, and the tertiary voltage value of the sampling end output 0 degree polarization stop correspondence of polarization potential device calculates school zero parameter according to tertiary voltage value and theoretical 0 degree polarizing voltage value;
As shown in Figure 3, be satellite antenna polarization automatic adjusting method embodiment two flow charts of the present invention, present embodiment may further comprise the steps:
Step 10 ', satellite antenna polarization automatic regulating apparatus powers up, the satellite antenna initialization, antenna reflective face is lifted to the work elevation angle on automatically;
Step 20 ', antenna controller reads the Satellite Tracking parameter that stores in the chip, read the antenna attitude parameter by dipmeter, read the geographical longitude and latitude of earth station by the GPS receiver, according to the theoretical polarizing angle and the theoretical angle of pitch of Satellite Tracking parameter and geographical longitude and latitude calculating satellite antenna; And the rotation of driving pitching gear unit makes the angle of pitch of satellite antenna forward theoretical value to;
Step 30 ', antenna controller control polarization gear unit turns to-90 degree polarization stops with the satellite antenna polarization, first magnitude of voltage of sampling end output-90 degree polarization stop correspondences of polarization potential device, this first magnitude of voltage is sent to the A/D modular converter carries out analog-to-digital conversion, export digitized first magnitude of voltage then and send to antenna controller; Antenna controller control polarization motor turns to 90 degree polarization stops with the satellite antenna polarization, the second corresponding magnitude of voltage of sampling end output of polarization potential device, this second magnitude of voltage is sent to the A/D modular converter carries out analog-to-digital conversion, export digitized second magnitude of voltage then and send to antenna controller; Antenna controller calculates polarization coefficient according to digitized first magnitude of voltage and second magnitude of voltage;
Wherein satellite antenna polarization is turned to-90 degree and 90 degree polarization stops and do not have restriction on the sequential, forward the 90 degree stops that polarize earlier to and read magnitude of voltage and also can;
Step 40 ', antenna controller control polarization motor turns to 0 degree polarization stop with the satellite antenna polarization, the corresponding tertiary voltage value of sampling end output of polarization potential device, send this tertiary voltage value to A/D modular converter and carry out analog-to-digital conversion, the digitized tertiary voltage value that obtains is sent to antenna controller, and antenna controller calculates school zero parameter according to digitized tertiary voltage value and theoretical 0 degree polarizing voltage value;
The theoretical polarizing angle that step 50 ', antenna controller according to step 20 ' calculates, the roll parameter of the expression ground lateral tilt that dipmeter records obtains the actual polarization angle of this satellite antenna; According to polarization coefficient and school zero parameter, calculate the position of this actual polarization angle corresponding voltage value and polarization potential device;
Particularly, actual polarizing angle is revised by the roll parameter, and theoretical polarizing angle deducts the roll parameter and promptly obtains actual polarizing angle.
Step 60 ', antenna controller control polarization gear unit rotates, drive the position that the polarization potential device turns to aforementioned calculation, at this moment the polarization of satellite antenna also forwards actual polarization angle to, calculate the calculating voltage value according to reality polarization angle and polarization coefficient, in the process of adjusting the satellite antenna polarization, by polarization potential device real time sample magnitude of voltage, and the magnitude of voltage and the calculating voltage value of gathering compared, to revise the polarizing angle of the actual arrival of satellite antenna, polarizing angle up to satellite antenna accurately mates with actual polarization angle, and polarization is adjusted automatically and finished.
Satellite antenna generally adopts the automated manner adjustment that polarizes, and satellite antenna polarization automatic regulating apparatus of the present invention can also provide artificial electronic polarization adjustment, the adjustment modes that polarizes manually.Its implementation process is as follows:
As can be seen from the above embodiments, the embodiment of the invention is controlled the adjustment of satellite antenna polarization by the closed-loop control mechanism that adopts the direct voltage feedback, real-Time Compensation realizes the accurate coupling of antenna polarization and satellite-signal owing to the error that mechanical movement, polarization gear unit etc. brings; Calculate polarization coefficient and school zero parameter by three polarization stops are set, improved the precision of polarization sensing data, thereby reduced the interference of polarisation error satellite communication; And polarization method of adjustment of the present invention has reduced the time that polarization is adjusted, and has reduced the professional requirement to the staff, has saved manpower and materials; The invention provides in addition automatically, artificial electronic and wait various modes manually, for staff's work provides convenience, make satellite antenna can both accurately adjust to the right place in all cases.
The above only 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 technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. satellite antenna polarization automatic regulating apparatus, comprise satellite antenna (1), the low noise block downconverter (2) that is connected with described satellite antenna (1), the coupler (3) that is connected with described low noise block downconverter (2), the receiver (4) that is connected with described coupler (3), the A/D modular converter (5) that is connected with described receiver (4), the antenna controller (6) that is connected with described A/D modular converter (5), the antenna servo device (7) that is connected with described antenna controller (6), described antenna controller (6) also respectively with dipmeter (8), GPS receiver (9) is connected with polarization sensor (10), it is characterized in that
Described antenna controller (6) also is connected with polarization potential device (12) ,-90 degree polarization stops, 90 degree polarization stops and 0 degree polarization stop respectively;
The polarization that described antenna controller (6) is used for controlling respectively satellite antenna (1) turns to-90 degree polarization stops and 90 degree polarization stops, read first magnitudes of voltage of-90 degree polarization stop correspondences of described polarization potential device (12) output and second magnitude of voltage of 90 degree polarization stop correspondences, calculate polarization coefficient according to two magnitudes of voltage; The polarization that described antenna controller (6) also is used to control satellite antenna (1) turns to 0 degree polarization stop, read the tertiary voltage value of 0 degree polarization stop correspondence of described polarization potential device (12) output, calculate school zero parameter according to described tertiary voltage value and theoretical 0 degree polarizing voltage value; Described antenna controller (6) also is used for the theoretical polarizing angle according to the satellite antenna (1) that calculates, the roll parameter that reads, calculate the actual polarization angle of described satellite antenna (1), according to described polarization coefficient and school zero parameter, calculate the position of the polarization potential device (12) of described actual polarization angle correspondence, and control the position that described polarization potential device (12) turns to calculating.
2. satellite antenna polarization automatic regulating apparatus as claimed in claim 1, it is characterized in that, described antenna controller (6) also is used for calculating the theoretical angle of pitch and the theoretical polarizing angle of described satellite antenna (1) according to the Satellite Tracking parameter of storage with the geographical longitude and latitude that reads, and controls described antenna servo device the angle of pitch of satellite antenna (1) is adjusted to the theoretical angle of pitch.
3. satellite antenna polarization automatic regulating apparatus as claimed in claim 1, it is characterized in that, described polarization stop is used to control the angle of polarization, described polarization potential device is used for the different magnitude of voltage of difference output according to the polarizing angle of satellite antenna (1), described dipmeter (8) is used to read the antenna attitude parameter and the roll parameter of satellite antenna (1), and described GPS receiver (9) is used to read the geographical longitude and latitude of earth station.
4. a satellite antenna polarization automatic adjusting method is characterized in that, may further comprise the steps:
Step 10, the polarization that controls satellite antenna respectively turn to-90 degree polarization stops and 90 degree polarization stops, the sampling end of polarization potential device is exported first magnitude of voltage of-90 degree polarization stop correspondences and second magnitude of voltage of 90 degree polarization stop correspondences respectively, calculates polarization coefficient according to two magnitudes of voltage;
The polarization of step 20, the described satellite antenna of control turns to 0 degree polarization stop, and the tertiary voltage value of the sampling end output 0 degree polarization stop correspondence of described polarization potential device calculates school zero parameter according to described tertiary voltage value and theoretical 0 degree polarizing voltage value;
The theoretical polarizing angle of the described satellite antenna that step 30, basis calculate, the roll parameter that reads, calculate the actual polarization angle of described satellite antenna, and according to described polarization coefficient and school zero parameter, calculate the position of the polarization potential device of described actual polarization angle correspondence, control the position that described polarization potential device turns to calculating.
5. satellite antenna polarization automatic adjusting method as claimed in claim 4 is characterized in that, also comprises after the described step 30:
Calculate actual voltage value according to described actual polarization angle and polarization coefficient, by the current polarization angle corresponding voltage value of described polarization potential device sampling, the polarization angle of the described satellite antenna of difference correction by described actual voltage value and current polarization angle corresponding voltage value.
6. satellite antenna polarization automatic adjusting method as claimed in claim 4 is characterized in that, also comprises before the described step 10:
Described satellite antenna initialization is lifted on the antenna reflective face to the work elevation angle;
Calculate the theoretical polarizing angle and the theoretical angle of pitch of described satellite antenna according to Satellite Tracking parameter that reads and geographical longitude and latitude, and the angle of pitch of controlling described satellite antenna forwards the theoretical angle of pitch to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010227408 CN101938038B (en) | 2010-07-07 | 2010-07-07 | Automatic adjusting device and method of satellite antenna polarization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010227408 CN101938038B (en) | 2010-07-07 | 2010-07-07 | Automatic adjusting device and method of satellite antenna polarization |
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| CN101938038A true CN101938038A (en) | 2011-01-05 |
| CN101938038B CN101938038B (en) | 2013-06-05 |
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| CN 201010227408 Expired - Fee Related CN101938038B (en) | 2010-07-07 | 2010-07-07 | Automatic adjusting device and method of satellite antenna polarization |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968048A (en) * | 2006-09-19 | 2007-05-23 | 北京爱科迪信息通讯技术有限公司 | Intelligent portable satellite communications earth station and its control method |
| CN101087041A (en) * | 2007-05-31 | 2007-12-12 | 中国移动通信集团广东有限公司 | A polarization adjustment device of onboard satellite communication antenna and method |
| JP2009284458A (en) * | 2008-04-25 | 2009-12-03 | Mitsubishi Electric Corp | Antenna attitude control device |
| CN101615034A (en) * | 2009-07-09 | 2009-12-30 | 南京中网卫星通信股份有限公司 | A kind of closed loop DC satellite antenna automatic polarization correction control device and control method |
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2010
- 2010-07-07 CN CN 201010227408 patent/CN101938038B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968048A (en) * | 2006-09-19 | 2007-05-23 | 北京爱科迪信息通讯技术有限公司 | Intelligent portable satellite communications earth station and its control method |
| CN101087041A (en) * | 2007-05-31 | 2007-12-12 | 中国移动通信集团广东有限公司 | A polarization adjustment device of onboard satellite communication antenna and method |
| JP2009284458A (en) * | 2008-04-25 | 2009-12-03 | Mitsubishi Electric Corp | Antenna attitude control device |
| CN101615034A (en) * | 2009-07-09 | 2009-12-30 | 南京中网卫星通信股份有限公司 | A kind of closed loop DC satellite antenna automatic polarization correction control device and control method |
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