CN110429969A - Real-time day leads to satellite-signal acquisition analysis system - Google Patents

Real-time day leads to satellite-signal acquisition analysis system Download PDF

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Publication number
CN110429969A
CN110429969A CN201910647654.6A CN201910647654A CN110429969A CN 110429969 A CN110429969 A CN 110429969A CN 201910647654 A CN201910647654 A CN 201910647654A CN 110429969 A CN110429969 A CN 110429969A
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data
satellite
signal
real
day
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CN110429969B (en
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张祥光
汪嘉宁
王凡
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Institute of Oceanology of CAS
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Institute of Oceanology of CAS
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/26—Visual data mining; Browsing structured data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18517—Transmission equipment in earth stations
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0478—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H04L67/5683—Storage of data provided by user terminals, i.e. reverse caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Data Mining & Analysis (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention discloses real-time days to lead to satellite-signal acquisition analysis system, the satellite-signal automatic tester of module, the automatic acquisition and detection of the information such as realization section student number ocean operation sea area satellite-signal coverage area, satellite signal strength and equipment power dissipation are led in exploitation based on day；It establishes day and leads to Data transfer system, the safe transmission of realization section student number classified information and data；Continental rise data receiver management software system is constructed, storage is automatically stored in the information such as realization section student number operating area satellite signal quality, intensity, and the visual presentation of related data is realized in conjunction with GIS GIS-Geographic Information System.

Description

Real-time day leads to satellite-signal acquisition analysis system
Technical field
The invention belongs to technical field of satellite communication, are related to real-time day and lead to satellite-signal acquisition analysis system.
Background technique
Since satellite communication system is using external comet system, subsurface buoy is observed data and is needed via external iridium satellite service Domestic server is forwarded to after device again, there are two the potential risks of aspect for this process: (1) subsurface buoy real time data in China deep-sea is first It is first transmitted to external iridium satellite server, this process increases the risks that data are intercepted and captured by other side；(2) it is forwarded by external server The risk of loss of data is increased to domestic server.In order to examine the technical indicator of real time communication subsurface buoy, overall performance and be System reliability, is temporarily carried out data transmission using external comet system at present, is located at international water, and existing rank because testing sea area Section deep-sea real time data is only served in scientific research and climatic prediction, therefore is not related to national security still.However, real time implementation west is too Subsurface buoy observational network will be conceived to the application demand of national security guarantee, in the case the real-time Transmission of deep-sea data cannot again according to By Foreign Satellite Communications system, otherwise external hostile force can be stolen or altered data at any time, be met during emergency is also possible to Disconnected satellite transmission, the serious national security for damaging China, it is therefore necessary to guarantee that the transmission safety of deep-sea real time data, advocate peace certainly can Control.These comprehensive considerations, subsequent focus are just fallen in data safety reliable transmission, and most intuitive solution is exactly to borrow It helps domestic satellite communication system that subsurface buoy observation network data is directly transmitted to domestic server to be stored.
Summary of the invention
The purpose of the present invention is to provide real-time days to lead to satellite-signal acquisition analysis system, and the beneficial effects of the invention are as follows this Scheme can realize unattended operations in 24 hours of ship-borne equipment, domestic satellite can be data are real-time in communication signal strength It is back to data center；Under conditions of signal is bad, the beam signal strength of each longitude and latitude, maximum storable time are automatically saved It is 1 year, the compensation transmission of storing data can be realized when satellite-signal is met the requirements.
The technical scheme adopted by the invention is that including:
(1) the satellite-signal automatic tester of module, realization section student number ocean operation sea area satellite letter are led in exploitation based on day The automatic acquisition and detection of the information such as number coverage area, satellite signal strength and equipment power dissipation；
(2) it establishes day and leads to Data transfer system, the safe transmission of realization section student number classified information and data；
(3) continental rise data receiver management software system, realization section student number operating area satellite signal quality, intensity etc. are constructed Storage is automatically stored in information, and the visual presentation of related data is realized in conjunction with GIS GIS-Geographic Information System.
Further, step (2) establishes the logical Data transfer system in day, the safe transmission of realization section student number classified information and data；It will Boat-carrying satellite-signal detector accesses boat-carrying wifi network, defends confidential data by domestic using signal detecting and measuring apparatus as communications module Star communication system is back to continental rise data center:
Ship running parameter passback: including real-time longitude and latitude, navigational speed information；
Boat-carrying scientific research apparatus data back: RS232,485 communication interfaces reserved by terminal device dock boat-carrying section The external communication interface of instrument is ground, to realize that the data of scientific research apparatus return in real time, the data in former continental rise laboratory analyze system System can synchronize analysis to data, to reach field sampling, on-site test, continental rise laboratory researchers' synchronized decision Link effect；
Scientific research personnel's PC laptop data back: compatible normal in addition to through specific program file sending function The mail of rule transmits and receives function；
Scientific research personnel's cell phone application data encryption passback: by handset customization APP, connecting specific continental rise server, realizes The encryption retransmission function of video, picture, text in mobile phone；
The limitation of bandwidth and communication fee based on current domestic satellite, initial data take the place for first compressing and re-encrypting Reason mechanism, the mode of lossless compression is taken for data file, and image/video etc. is taken the scheme of lossy compression, pressed to greatest extent Contracting transmission data, make full use of satellite network bandwidth resources.Encryption Algorithm uses 3DES Triple DES, this based on DES's Symmetry algorithm carries out Tertiary infilling according to three different keys to a block number, and intensity is higher, is guaranteeing satellite network transmission effect While rate, increase the safety of data.
Further, step (3) constructs continental rise data receiver management software system, realization section student number operating area satellite-signal Storage is automatically stored in quality, strength information, and the visual presentation of related data is realized in conjunction with GIS GIS-Geographic Information System；
Dynamic data of server receiving module: realizing data ciphering and deciphering and transmits the interactive function of control due to current Domestic satellite is in developing stage, and the signal at initial stage can not achieve whole seamless coverages of section's student number operating area, and due to The limitation of satellite communication bandwidth, it is necessary to reliable communication mechanism is formulated, to guarantee the integrality of data.It is divided into the following:
A transmits data package size and speed according to the signal strength or weakness of different zones, dynamic control of data；
B services receiving end and increases breakpoint transmission mechanism, cooperates the data buffer storage function of Shipborne terminal equipment, realizes data packet It is flexible reception and feedback function；
C dynamic key distribution mechanism: can periodically send as needed and synchronize the encryption key of change ship-borne equipment, to protect Demonstrate,prove the safety of data；
Server database dynamic memory module: 10 years all kinds of return datas be can be reserved for；
All kinds of initial data returned by this programme, the storage of server platform database full backup, and according to reality Data actual use person, flexible allocation search access right；
Field management module: by domestic satellite transmission channel, realize that the real time monitoring such as scientific investigation ship position, speed day is logical The real-time coverage condition of each beam signal of satellite；
The inquiry of historical data statistical module: realize research ship historical track playback, day part, position domestic satellite Signal coverage condition query statistic lays for the subsurface buoy real time implementation of subsequent domestic satellite channel, provides data supporting；This system Query function, according to the query compositions condition such as time, longitude and latitude, data transmission success, Flexible Query period each coordinate The domestic satellite-signal coverage condition of point；
Data sharing module: it domesticizes for the satellite channel of other scientific research institution's ocean detection devices, different seas is provided The domestic satellite coverage condition in domain is analyzed, to realize that the satellite channel production domesticization of entire industry provides effective analysis means.
Detailed description of the invention
Fig. 1 is the boat-carrying satellite-signal detection Data transfer system based on day communication satellite communication system；
Fig. 2 is data flow diagram.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Present system is as shown in Figure 1, comprising:
(1) the satellite-signal automatic tester of module, realization section student number ocean operation sea area satellite letter are led in exploitation based on day The automatic acquisition and detection of the information such as number coverage area, satellite signal strength and equipment power dissipation；
(2) it establishes day and leads to Data transfer system, the safe transmission of realization section student number classified information and data；
Boat-carrying satellite-signal detector is accessed into boat-carrying wifi network, is communications module by " section's student number " using signal detecting and measuring apparatus Confidential data is back to continental rise data center by domestic satellite communication system.The Data transfer system of this programme can fully rely on domestic The retransmission function of satellite realization following data:
Ship running parameter passback: including information such as real-time longitude and latitude, the speed of a ship or plane；
Boat-carrying scientific research apparatus data back: RS232,485 communication interfaces reserved by terminal device dock boat-carrying section The external communication interface of instrument is ground, to realize that the data of scientific research apparatus return in real time, the data in former continental rise laboratory analyze system System can synchronize analysis to data, to reach field sampling, on-site test, continental rise laboratory researchers' synchronized decision Link effect；
Scientific research personnel's PC laptop data back: compatible normal in addition to through specific program file sending function The mail of rule transmits and receives function；
Scientific research personnel's cell phone application data encryption passback: by handset customization APP, connecting specific continental rise server, realizes The encryption retransmission function of video, picture, text etc. in mobile phone.
The limitation of bandwidth and communication fee based on current domestic satellite, initial data take the place for first compressing and re-encrypting Reason mechanism, the mode of lossless compression is taken for data file, and image/video etc. is taken the scheme of lossy compression, pressed to greatest extent Contracting transmission data, make full use of satellite network bandwidth resources.Encryption Algorithm uses 3DES (Triple DES), this to be based on DES Symmetry algorithm, Tertiary infilling is carried out according to three different keys to a block number, intensity is higher, guarantee satellite network transmission While efficiency, increase the safety of data.
(3) continental rise data receiver management software system, realization section student number operating area satellite signal quality, intensity etc. are constructed Storage is automatically stored in information, and the visual presentation of related data is realized in conjunction with GIS GIS-Geographic Information System；
Dynamic data of server receiving module: realizing data ciphering and deciphering and transmits the interactive function of control due to current Domestic satellite is in developing stage, and the signal at initial stage can not achieve whole seamless coverages of section's student number operating area, and due to The limitation of satellite communication bandwidth, it is necessary to reliable communication mechanism is formulated, to guarantee the integrality of data.It is divided into the following:
A transmits data package size and speed according to the signal strength or weakness of different zones, dynamic control of data；
B services receiving end and increases breakpoint transmission mechanism, cooperates the data buffer storage function of Shipborne terminal equipment, realizes data packet It is flexible reception and feedback function；
C dynamic key distribution mechanism: can periodically send as needed and synchronize the encryption key of change ship-borne equipment, to protect Demonstrate,prove the safety of data.
Server database dynamic memory module: 10 years all kinds of return datas be can be reserved for；
All kinds of initial data returned by this programme, the storage of server platform database full backup, and according to reality Data actual use person, flexible allocation search access right.It is illustrated in figure 2 data flow.
Field management module: by domestic satellite transmission channel, realize that the real time monitoring such as scientific investigation ship position, speed day is logical The real-time coverage condition of each beam signal of satellite；
The inquiry of historical data statistical module: realize research ship historical track playback, day part, position domestic satellite Signal coverage condition query statistic lays for the subsurface buoy real time implementation of subsequent domestic satellite channel, provides data supporting；This system Query function, can respectively be sat according to the query compositions condition such as time, longitude and latitude, data transmission success, Flexible Query period The domestic satellite-signal coverage condition of punctuate.
Data sharing module: it domesticizes for the satellite channel of other scientific research institution's ocean detection devices, different seas is provided The domestic satellite coverage condition in domain is analyzed, to realize that the satellite channel production domesticization of entire industry provides effective analysis means.
The data sharing function of this programme, the boat-carrying signal detection data mentioned in addition to can provide this programme, can also lead to Spare interface is crossed, the domestic satellite-signal detection data of other scientific research institutions is accessed, to reach the domestic satellite of different waters Wave cover situation chart lays for subsequent domestic satellite channel oceanographic equipment and provides reliable scientific basis.
Shipborne terminal technical parameter:
Its logical working frequency range:
S-band uplink: 1980MHz-2010MHz
S-band downlink: 2170MHz-2200MHz
Maximum transmission power: 10W
Operating voltage: 8-36V, Typical operating voltages 12V
Stand-by power consumption: 100mw@12v
Transmit power consumption: 30w@12V
Its logical satellite data business support: 9.6Kbps-384Kbps
Operating temperature: -40 DEG C to+55 DEG C
Storage temperature: -40 DEG C to+85 DEG C
The high relative humidity conditions of high temperature: (95 ± 3) % (>=40 DEG C)
The high relative humidity conditions of low temperature: (95 ± 3) % (≤40 DEG C)
Structure size is long by * wide * high: 320*200*50mm
Data storage: SD card
The above is only not to make limit in any form to the present invention to better embodiment of the invention System, any simple modification that embodiment of above is made according to the technical essence of the invention, equivalent variations and modification, Belong in the range of technical solution of the present invention.

Claims (3)

1. real-time day leads to satellite-signal acquisition analysis system, it is characterised in that:
(1) the satellite-signal automatic tester of module is led in exploitation based on day, and realization section student number ocean operation sea area satellite-signal covers The automatic acquisition and detection of the information such as lid range, satellite signal strength and equipment power dissipation；
(2) it establishes day and leads to Data transfer system, the safe transmission of realization section student number classified information and data；
(3) continental rise data receiver management software system, the information such as realization section student number operating area satellite signal quality, intensity are constructed Storage is automatically stored, in conjunction with GIS GIS-Geographic Information System realize related data visual presentation.
2. leading to satellite-signal acquisition analysis system according to real-time day described in claim 1, it is characterised in that: the step (2) is built Vertical day leads to Data transfer system, the safe transmission of realization section student number classified information and data；Boat-carrying satellite-signal detector is accessed into ship Wifi network is carried, confidential data is back to continental rise data by domestic satellite communication system using signal detecting and measuring apparatus as communications module Center:
Ship running parameter passback: including real-time longitude and latitude, navigational speed information；
Boat-carrying scientific research apparatus data back: RS232,485 communication interfaces reserved by terminal device dock boat-carrying scientific research instrument The external communication interface of device, to realize that the data of scientific research apparatus return in real time, the data analysis system in former continental rise laboratory can Analysis is synchronized to data, to reach the linkage of field sampling, on-site test, continental rise laboratory researchers' synchronized decision Effect；
Scientific research personnel's PC laptop data back: in addition to through specific program file sending function, compatible conventional Mail transmits and receives function；
Scientific research personnel's cell phone application data encryption passback: by handset customization APP, specific continental rise server is connected, realizes mobile phone Interior video, picture, text encryption retransmission function；
The limitation of bandwidth and communication fee based on current domestic satellite, initial data take the processor for first compressing and re-encrypting System, the mode of lossless compression is taken for data file, and image/video etc. takes the scheme of lossy compression, and compression passes to greatest extent Transmission of data makes full use of satellite network bandwidth resources.Encryption Algorithm uses 3DES Triple DES, this based on the symmetrical of DES Algorithm carries out Tertiary infilling according to three different keys to a block number, and intensity is higher, is guaranteeing satellite network efficiency of transmission Meanwhile increasing the safety of data.
3. leading to satellite-signal acquisition analysis system according to real-time day described in claim 1, it is characterised in that: step (3) structure Build continental rise data receiver management software system, realization section student number operating area satellite signal quality, strength information are automatically stored Storage realizes the visual presentation of related data in conjunction with GIS GIS-Geographic Information System；
Dynamic data of server receiving module: realizing data ciphering and deciphering and transmits the interactive function of control due to domestic at present Satellite is in developing stage, and the signal at initial stage can not achieve whole seamless coverages of section's student number operating area, and due to satellite The limitation of communication bandwidth, it is necessary to reliable communication mechanism is formulated, to guarantee the integrality of data.It is divided into the following:
A transmits data package size and speed according to the signal strength or weakness of different zones, dynamic control of data；
B services receiving end and increases breakpoint transmission mechanism, cooperates the data buffer storage function of Shipborne terminal equipment, realizes the spirit of data packet Loose joint receipts and feedback function；
C dynamic key distribution mechanism: can periodically send as needed and synchronize the encryption key of change ship-borne equipment, to guarantee number According to safety；
Server database dynamic memory module: 10 years all kinds of return datas be can be reserved for；
All kinds of initial data returned by this programme, the storage of server platform database full backup, and according to real data Actual use person, flexible allocation search access right；
Field management module: by domestic satellite transmission channel, realize that the real time monitoring such as scientific investigation ship position, speed day leads to satellite Each real-time coverage condition of beam signal；
The inquiry of historical data statistical module: realize research ship historical track playback, day part, position domestic satellite-signal Coverage condition query statistic lays for the subsurface buoy real time implementation of subsequent domestic satellite channel, provides data supporting；This system is looked into Ask function, according to the query compositions condition such as time, longitude and latitude, data transmission success, Flexible Query period each coordinate points Domestic satellite-signal coverage condition；
Data sharing module: it domesticizes for the satellite channel of other scientific research institution's ocean detection devices, different waters is provided Domestic satellite coverage condition analysis, to realize that the satellite channel production domesticization of entire industry provides effective analysis means.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111928888A (en) * 2020-06-12 2020-11-13 中国环境科学研究院 Intelligent monitoring and analyzing method and system for water pollution
CN112367112A (en) * 2020-10-29 2021-02-12 青岛海洋科学与技术国家实验室发展中心 Deep sea subsurface buoy real-time data transmission system based on multimode satellite communication system
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