CN107317619A - One kind is declined based on Webview and rain compensates shipborne satellite communication system and method - Google Patents
One kind is declined based on Webview and rain compensates shipborne satellite communication system and method Download PDFInfo
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- CN107317619A CN107317619A CN201710439418.6A CN201710439418A CN107317619A CN 107317619 A CN107317619 A CN 107317619A CN 201710439418 A CN201710439418 A CN 201710439418A CN 107317619 A CN107317619 A CN 107317619A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18597—Arrangements for system physical machines management, i.e. for construction, operations control, administration, maintenance
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Abstract
Declined the invention discloses one kind based on Webview and rain and compensate shipborne satellite communication system and method, belong to satellite communication field, it is intended to communication quality can be improved.The present invention comprises the following steps：1) search and track：The ship-board antenna moment is set to keep the posture of alignment target satellite；2) model selection：When weather environment does not need attentuation by rain compensation, operation is exited；When weather environment needs to carry out attentuation by rain compensation, follow the steps below；3) constant speed Variable power：Decay of the weather to signal is compensated with the power control techniques based on pid algorithm, power is reached predetermined power；4) invariable power speed change：When constant speed Variable power step can not meet rain decline compensation when, keep power it is constant, stop constant speed Variable power step in regulation, and carry out speed change invariable power transmission signal compensation, with reduce the speed of communication reach improve communication quality purpose.It is an advantage of the invention that：The decay that rainfall is caused to satellite communication system can be slowed down, communication quality is improved.
Description
Technical field
The present invention relates to satellite communication field, more particularly to a kind of declined based on Webview and rain compensates boat-carrying satellite communication
Method.
Background technology
Satellite communication system is widely used to the various aspects of human society, includes the day of military, scientific research and people
Often life.Simultaneously as sharply increasing for communication requirement, high-speed, high reliability, the information of Large Copacity are realized using high band
Transmission turns into inexorable trend.For portable, vehicular, ship borne type satellite communication system, research boat-carrying satellite has more
Universal meaning.
The problem of being run into practice with the development and people of satellite system, enters to satellite communication system in design aspect
Row improves and optimizates the great meaning that seems.Rain declines, and refers to electromagnetic wave into caused decay after rain layer.Absorbed including rain grain and scattering is led
The decay of cause.Rain grain attenuation by absorption refers to decay caused by having dielectric loss due to rain grain；Rain grain scatter attenuation refer to by
Decayed again caused by secondary reflection by reflection when electromagnetic wave encounters rain grain.The frequency of Ka frequency ranges is 20~40GHz, wavelength and rain
Grain size it is similar, cause rain to decline and can reach tens decibels, which greatly limits system rainfall environment practicality
Property, therefore, how to slow down rainfall becomes urgent problem to the decay that satellite communication system is caused.
The content of the invention
The technical problems to be solved by the invention be rainfall can the problem of cause greater attenuation to satellite communication system there is provided
One kind is declined based on Webview and rain compensates boat-carrying satellite communication method, and it can slow down what rainfall was caused to satellite communication system
Decay, improves communication quality.
The present invention solution above-mentioned technical problem technical scheme is that：One kind is based on Webview
Declined compensation shipborne satellite communication system with rain, it is characterized in that：Include：
Search and track module：It is used for the posture for making the ship-board antenna moment keep alignment target satellite；
Mode selection module：It is used to, when weather environment does not need attentuation by rain compensation, exit operation；When weather environment is needed
When carrying out attentuation by rain compensation, next step operation is carried out；
Constant speed Variable power module：It compensates decay of the weather to signal with the power control techniques based on pid algorithm,
Power is set to reach predetermined power；
Invariable power speed-variable module：It is used to stop the regulation in constant speed Variable power module, keeps power constant, and become
Fast invariable power transmission signal compensation, to reduce the purpose that the speed of communication reaches raising communication quality.
Further, the search and track module includes：
Leveling cartridge module：It is used to obtain ship-board antenna to the theoretical position and antenna attitude needed for satelloid；
ARM control modules：It is used to scan for using picture frame pattern, the outside picture frame centered on theoretical position, if
More than thresholding, stop picture frame and send registration signal；
Servo-actuated module：It feeds back in response to registration signal according to resulting antenna attitude and beacon receiver
Signal intensity controls ship-board antenna alignment target satellite in real time.
Further, the leveling cartridge module includes：
Global positioning system：It is used to obtain ship-board antenna to the theoretical position and the angle of pitch needed for satelloid；
Electronic compass：It is used to gather the course heading of ship-board antenna, luffing angle and roll angle；
Three-axis gyroscope：It is used for the instantaneous velocity for measuring three axles.
Further, the three-axis gyroscope is connected with FPGA temperature compensation modules.
One kind is declined based on Webview and rain compensates boat-carrying satellite communication method, comprises the following steps：
1) search and track：The ship-board antenna moment is set to keep the posture of alignment target satellite；
2) model selection：When weather environment does not need attentuation by rain compensation, operation is exited；When weather environment needs to carry out rain
During attenuation compensation, follow the steps below；
3) constant speed Variable power：Decay of the weather to signal is compensated with the power control techniques based on pid algorithm, makes work(
Rate reaches predetermined power；
4) invariable power speed change：When constant speed Variable power step can not meet rain decline compensation when, keep power it is constant, stop constant speed
Regulation in Variable power step, and the compensation of speed change invariable power transmission signal is carried out, reach raising communication to reduce the speed of communication
The purpose of quality.
Further, a kind of declined based on Webview and rain compensates boat-carrying satellite communication method, it is characterized in that：Including following
Step：
1) search and track：The ship-board antenna moment is set to keep the posture of alignment target satellite；
2) model selection：When weather environment does not need attentuation by rain compensation, operation is exited；When weather environment needs to carry out rain
During attenuation compensation, follow the steps below；
3) constant speed Variable power：Decay of the weather to signal is compensated with the power control techniques based on pid algorithm, makes work(
Rate reaches predetermined power；
4) invariable power speed change：When constant speed Variable power step can not meet rain decline compensation when, keep power it is constant, stop constant speed
Regulation in Variable power step, and the compensation of speed change invariable power transmission signal is carried out, reach raising communication to reduce the speed of communication
The purpose of quality.
Further, the leveling cartridge module includes：
Global positioning system：It is used to obtain ship-board antenna to the theoretical position and the angle of pitch needed for satelloid；
Electronic compass：It is used to gather the course heading of ship-board antenna, luffing angle and roll angle；
Three-axis gyroscope：It is used for the instantaneous velocity for measuring three axles.
Further, when search and track fails to star, it is reset to initial information and performs search and track step again.
Further, the power control techniques of the pid algorithm wherein in constant speed Variable power include：
1) compare real satellite signal intensity and the satellite intensity under weather good situations, calculate weather to signal intensity
Attenuation, and attenuation is converted into voltage signal；
2) transmission rate of fixed signal is constant with the transmission rate under good weather, and by the voltage signal in step 1
It is used as setting signal；
3) high frequency oscillating current size is produced with pid algorithm controller control emitter, through feed equipment input transmitting day
High frequency electric is changed into radio wave and radiated to surrounding space by line, transmitting antenna, while in receiving terminal, actual hair is received again
The signal intensity being shot out；
4) transmission power under the actual power and weather good situations of compensation decay transmitting is compared, obtained signal
Voltage signal is converted into as feedback signal；
5) feedback signal obtained with the setting signal and step 4 of step 2, which is compared, show that control error-driven PID is calculated
The high frequency electric size of control emitter is realized in the work of method controller, changes transmission power, when the power of emitter reaches maximum
When value, the size of fixed transmission power.
The present invention uses above technical scheme compared with prior art, with following technique effect：
1st, the ship-board antenna moment is kept the posture of alignment target satellite using search and track step, then proceed by
Model selection, when weather environment does not need rain attenccation, then exits operation, it is not necessary to which the constant speed in latter two stage becomes
The compensation of power and variable Rate invariable power is carried out, and when weather environment needs rain attenccation, predetermined power is reached in power
Before, decay of the weather to signal is compensated with the power control techniques based on pid algorithm, using constant speed Variable power rainfall
Attenuation compensation method, as the first stage of rain attenccation, keeps efficient efficiency of transmission, is completed with transmission power is improved
Rain declines compensation；After power reaches the maximum of the transmission power of setting, can not the compensation method of constant speed Variable power still expire
Sufficient rain decline compensation when, power setting is maintained to higher limit, stop carry out power adjusting, proceed by invariable power speed change transmitting
Signal compensates operation, and as the second stage of rain attenccation, the change of second stage is completed by reducing transmission rate
Speed invariable power is compensated, i.e., the quality of communication is improved by reducing the speed of communication, can be with by the compensation in above-mentioned two stage
Slow down decay of the rainfall to satellite communication, so as to improve communication quality；
2nd, the setting of search and track module is passed through, it is possible to achieve ship-board antenna high efficiency, high-precision moment are kept to star
Posture.
Brief description of the drawings
Fig. 1 is the structure chart that the present embodiment is used to embody shipborne satellite communication system；
Fig. 2 is that the present embodiment is used to embody the power control structure figure based on PID.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment：One kind is declined based on Webview and rain compensates boat-carrying satellite communication method, comprises the following steps：
1) search and track：The ship-board antenna moment is set to keep the posture of alignment target satellite；
2) model selection：When weather environment does not need attentuation by rain compensation, operation is exited；When weather environment needs to carry out rain
During attenuation compensation, follow the steps below；
3) constant speed Variable power：Decay of the weather to signal is compensated with the power control techniques based on pid algorithm, makes work(
Rate reaches predetermined power；
4) invariable power speed change：When constant speed Variable power step can not meet rain decline compensation when, keep power it is constant, stop constant speed
Regulation in Variable power step, and the compensation of speed change invariable power transmission signal is carried out, reach raising communication to reduce the speed of communication
The purpose of quality.
Specific implementation is described as follows：
The ship-board antenna moment is kept the posture of alignment target satellite using search and track step, then proceed by mould
Formula is selected, and when weather environment does not need rain attenccation, then exits this operation, it is not necessary to which the constant speed in latter two stage becomes
The compensation of power and variable Rate invariable power is carried out, and when weather environment needs rain attenccation, predetermined power is reached in power
Before, decay of the weather to signal is compensated with the power control techniques based on pid algorithm, using constant speed Variable power rainfall
Attenuation compensation method, as the first stage of rain attenccation, keeps efficient efficiency of transmission, is completed with transmission power is improved
Rain declines compensation；After power reaches the maximum of the transmission power of setting, can not the compensation method of constant speed Variable power still expire
Sufficient rain decline compensation when, power setting is maintained to higher limit, stop carry out power adjusting, proceed by invariable power speed change transmitting
Signal compensates operation, and as the second stage of rain attenccation, the change of second stage is completed by reducing transmission rate
Speed invariable power is compensated, i.e., the quality of communication is improved by reducing the speed of communication, can be with by the compensation in above-mentioned two stage
Slow down decay of the rainfall to satellite communication, so as to improve communication quality.
Shipborne satellite communication system be using steamer as carrier, in order to high efficiency, it is high-precision realize the ship-board antenna moment protect
Hold the posture to star, it is necessary to take a series of control measure smoothly to complete proper communication in a variety of contexts.
Wherein search and track step comprises the following steps：
Step 1：Ship-board antenna is obtained to the theoretical position and antenna attitude needed for satelloid；
Step 2：Scanned for using picture frame pattern, the outside picture frame centered on theoretical position, if it exceeds thresholding, stops
Picture frame simultaneously sends registration signal；
Step 3：The signal fed back in response to registration signal according to resulting antenna attitude and beacon receiver
The servo-actuated module of intensity control in real time makes ship-board antenna alignment target satellite.
When search and track fails to star, it is reset to initial information and performs search and track step again, that is, restarts pair
Star.
The power control techniques of pid algorithm wherein in constant speed Variable power comprise the following steps, on condition that ship-board antenna is
Through correctly tracing into satellite-signal：
1) compare real satellite signal intensity and the satellite intensity under weather good situations, calculate weather to signal intensity
Attenuation, and attenuation is converted into voltage signal；
2) transmission rate of fixed signal is constant with the transmission rate under good weather, and by the voltage signal in step 1
It is used as setting signal；
3) high frequency oscillating current size is produced with pid algorithm controller control emitter, through feed equipment input transmitting day
High frequency electric is changed into radio wave and radiated to surrounding space by line, transmitting antenna, while in receiving terminal, actual hair is received again
The signal intensity being shot out；
4) transmission power under the actual power and weather good situations of compensation decay transmitting is compared, obtained signal
Voltage signal is converted into as feedback signal；
5) feedback signal obtained with the setting signal and step 4 of step 2, which is compared, show that control error-driven PID is calculated
The high frequency electric size of control emitter is realized in the work of method controller, changes transmission power, when the power of emitter reaches maximum
When value, the size of fixed transmission power.
Wherein, pid algorithm controller is in process control, to be carried out in the ratio (P) of deviation, integration (I) and differential (D)
The PID controller of control.
If constant speed Variable power step can not meet rain decline compensation when, keep fixed transmission power it is constant, pass through reduce letter
Number transmission rate be further compensate for the attenuation of signal.
One kind is declined compensation shipborne satellite communication system based on Webview and rain, as illustrated in fig. 1 and 2, is included：
Search and track module：It is used for the posture for making the ship-board antenna moment keep alignment target satellite；
Mode selection module：It is used to, when weather environment does not need attentuation by rain compensation, exit operation；When weather environment is needed
When carrying out attentuation by rain compensation, next step operation is carried out；
Constant speed Variable power module：It compensates decay of the weather to signal with the power control techniques based on pid algorithm,
Power is set to reach predetermined power；
Invariable power speed-variable module：It is used to stop the regulation in constant speed Variable power module, keeps power constant, and become
Fast invariable power transmission signal compensation, to reduce the purpose that the speed of communication reaches raising communication quality.
As shown in Fig. 2 search and track module includes：
Leveling cartridge module：It is used to obtain ship-board antenna to the theoretical position and antenna attitude needed for satelloid；
ARM control modules：It is used to scan for using picture frame pattern, the outside picture frame centered on theoretical position, if
More than thresholding, stop picture frame and send registration signal；
Servo-actuated module：It feeds back in response to registration signal according to resulting antenna attitude and beacon receiver
Signal intensity controls ship-board antenna alignment target satellite in real time.
Wherein leveling cartridge module includes for obtaining ship-board antenna to the theoretical position needed for satelloid and the angle of pitch
Global positioning system, the electronic compass of course heading, luffing angle and roll angle for gathering ship-board antenna, and be used for
Measure the three-axis gyroscope of the instantaneous velocity of three axles.
Three-axis gyroscope is connected with FPGA temperature compensation modules, and it is used to solve three-axis gyroscope null offset.
As illustrated in fig. 1 and 2, ARM control modules are connected with monitoring module, and monitoring module passes through network with ARM control modules
Module is connected, its service end login page and parameter setting page interaction figure based on Webview, and the present invention is set to server
Meter has used WebKit rendering engine loaded and displayed webpages, and the UI of adaptation multi-model is used for meeting the different type of machines of different user
Demand, the webpage of whole service end is by login page, the parameter monitoring page, parameter setting page, the system configuration page, database
The page is constituted.Such design successfully avoids service end and client is required for the difficult situation of renewal.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (8)
1. one kind is declined compensation shipborne satellite communication system based on Webview and rain, it is characterized in that：Include：
Search and track module：It is used for the posture for making the ship-board antenna moment keep alignment target satellite；
Mode selection module：It is used to, when weather environment does not need attentuation by rain compensation, exit operation；When weather environment need into
When row attentuation by rain is compensated, next step operation is carried out；
Constant speed Variable power module：It compensates decay of the weather to signal with the power control techniques based on pid algorithm, makes work(
Rate reaches predetermined power；
Invariable power speed-variable module：It is used to stop the regulation in constant speed Variable power module, keeps power constant, and it is permanent to carry out speed change
Power transmission signal is compensated, to reduce the purpose that the speed of communication reaches raising communication quality.
2. according to claim 1 declined compensation shipborne satellite communication system based on Webview and rain, it is characterized in that：It is described
Search and track module includes：
Leveling cartridge module：It is used to obtain ship-board antenna to the theoretical position and antenna attitude needed for satelloid；
ARM control modules：It is used to scan for using picture frame pattern, the outside picture frame centered on theoretical position, if it exceeds
Thresholding, stops picture frame and sends registration signal；
Servo-actuated module：Its signal fed back in response to registration signal according to resulting antenna attitude and beacon receiver
Intensity controls ship-board antenna alignment target satellite in real time.
3. according to claim 2 declined compensation shipborne satellite communication system based on Webview and rain, it is characterized in that：It is described
Leveling cartridge module includes：
Global positioning system：It is used to obtain ship-board antenna to the theoretical position and the angle of pitch needed for satelloid；
Electronic compass：It is used to gather the course heading of ship-board antenna, luffing angle and roll angle；
Three-axis gyroscope：It is used for the instantaneous velocity for measuring three axles.
4. according to claim 3 declined compensation shipborne satellite communication system based on Webview and rain, it is characterized in that：It is described
Three-axis gyroscope is connected with FPGA temperature compensation modules.
5. one kind is declined based on Webview and rain compensates boat-carrying satellite communication method, it is characterized in that：Comprise the following steps：
1) search and track：The ship-board antenna moment is set to keep the posture of alignment target satellite；
2) model selection：When weather environment does not need attentuation by rain compensation, operation is exited；When weather environment needs to carry out attentuation by rain
During compensation, follow the steps below；
3) constant speed Variable power：Decay of the weather to signal is compensated with the power control techniques based on pid algorithm, power is reached
To predetermined power；
4) invariable power speed change：When constant speed Variable power step can not meet rain decline compensation when, keep power it is constant, stop constant speed become work(
Regulation in rate step, and the compensation of speed change invariable power transmission signal is carried out, reach raising communication quality to reduce the speed of communication
Purpose.
6. method according to claim 5, it is characterized in that：Wherein search and track step comprises the following steps：
Step 1：Ship-board antenna is obtained to the theoretical position and antenna attitude needed for satelloid；
Step 2：Scanned for using picture frame pattern, the outside picture frame centered on theoretical position, if it exceeds thresholding, stops picture frame
And send registration signal；
Step 3：The signal intensity fed back in response to registration signal according to resulting antenna attitude and beacon receiver
The servo-actuated module of control in real time makes ship-board antenna alignment target satellite.
7. method according to claim 5, it is characterized in that：When search and track fails to star, initial information is reset to again
Secondary execution search and track step.
8. method according to claim 5, it is characterized in that：The Power Control skill of pid algorithm wherein in constant speed Variable power
Art includes：
1) compare real satellite signal intensity and the satellite intensity under weather good situations, calculate weather and signal intensity is declined
Decrement, and attenuation is converted into voltage signal；
2) transmission rate of fixed signal is constant with the transmission rate under good weather, and using the voltage signal in step 1 as
Setting signal；
3) high frequency oscillating current size is produced with pid algorithm controller control emitter, transmitting antenna, hair is inputted through feed equipment
Penetrate antenna high frequency electric is changed into radio wave and radiated to surrounding space, while in receiving terminal, actual transmission being received again and is gone out
The signal intensity gone；
4) transmission power under the actual power and weather good situations of compensation decay transmitting is compared, obtained signal conversion
Feedback signal is used as into voltage signal；
5) feedback signal obtained with the setting signal and step 4 of step 2, which is compared, draws control error-driven pid algorithm control
The high frequency electric size of control emitter is realized in device work processed, changes transmission power, when the power of emitter reaches maximum,
The size of fixed transmission power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710439418.6A CN107317619A (en) | 2017-06-08 | 2017-06-08 | One kind is declined based on Webview and rain compensates shipborne satellite communication system and method |
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| CN201710439418.6A CN107317619A (en) | 2017-06-08 | 2017-06-08 | One kind is declined based on Webview and rain compensates shipborne satellite communication system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123761A (en) * | 2017-12-21 | 2018-06-05 | 中国电子科技集团公司第五十四研究所 | A kind of test of satellite communication earth station power reference value and computational methods |
| CN111190196A (en) * | 2018-11-14 | 2020-05-22 | 通用电气航空***有限公司 | Detecting spoofing of signals |
| CN112235035A (en) * | 2020-10-08 | 2021-01-15 | 军事科学院***工程研究院网络信息研究所 | Spatial information network networking method based on distributed constellation |
| CN113740800A (en) * | 2020-05-28 | 2021-12-03 | 南宁富桂精密工业有限公司 | Driving positioning system and driving positioning method |
| CN115882980A (en) * | 2023-03-03 | 2023-03-31 | 江苏晨创科技有限公司 | Prediction system for influence on satellite communication signals based on antenna pointing |
| CN116667904A (en) * | 2023-05-15 | 2023-08-29 | 捷信（浙江）通信技术有限公司 | Communication system based on satellite narrowband transmission and data self-adaptation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123761A (en) * | 2017-12-21 | 2018-06-05 | 中国电子科技集团公司第五十四研究所 | A kind of test of satellite communication earth station power reference value and computational methods |
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| CN112235035A (en) * | 2020-10-08 | 2021-01-15 | 军事科学院***工程研究院网络信息研究所 | Spatial information network networking method based on distributed constellation |
| CN112235035B (en) * | 2020-10-08 | 2021-04-27 | 军事科学院***工程研究院网络信息研究所 | Spatial information network networking method based on distributed constellation |
| CN115882980A (en) * | 2023-03-03 | 2023-03-31 | 江苏晨创科技有限公司 | Prediction system for influence on satellite communication signals based on antenna pointing |
| CN116667904A (en) * | 2023-05-15 | 2023-08-29 | 捷信（浙江）通信技术有限公司 | Communication system based on satellite narrowband transmission and data self-adaptation |
| CN116667904B (en) * | 2023-05-15 | 2024-02-13 | 捷信（浙江）通信技术有限公司 | Communication system based on satellite narrowband transmission and data self-adaptation |
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Application publication date: 20171103 |