A method of real-time transmission of raw data of remote sensing satellites using ftp protocol
A technology for remote sensing satellites and raw data, applied in the field of remote sensing satellites, can solve problems such as complex and error-prone custom transmission protocols
Active Publication Date: 2022-05-17
AEROSPACE INFORMATION RES INST CAS
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[0142] The present invention provides a method for real-time transmission of remote sensing satellite raw data using the FTP protocol, which is used to solve the defects of complex and error-prone transmission protocols for real-time transmission of remote sensing satellite raw data in the prior art, and to improve the real-time transmission of remote sensing satellite raw data. efficiency
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[0174] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0175] Combine below Figure 13-Figure 14 Describe a method for real-time transmission of remote sensing satellite raw data provided by the present invention by using the FTP protocol.
[0176] refer to Figure 13 , the present invention provides a method for real-time transmission of remote sensing satellite raw data using the FTP protocol, using the FTP protocol (File Transfer Protocol) i...
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The invention provides a method for real-time transmission of remote sensing satellite raw data using the FTP protocol, using the FTP protocol instead of a self-defined real-time transmission protocol, real-time transmission of remote sensing satellite raw data that meets the national recommended standards, deploying an FTP client program at the sending end, Deploy the FTP server program at the receiving end and perform corresponding settings on the FTP server, including: decomposing the raw data of the remote sensing satellite into the first information data and the second information data; the client sends the description file corresponding to the transmission task to the FTP server successively through the FTP protocol, The second information data, the first information data file and the end-of-transmission marking file; after the FTP server receives the above files, it synthesizes the remote sensing satellite original data file based on the first information data and the second information data, and completes the real-time transmission of the remote sensing satellite original data. The invention can reduce the complexity and error rate of the real-time transmission of the original data of the remote sensing satellite, thereby improving the transmission efficiency.
Description
technical field [0001] The invention relates to the technical field of remote sensing satellites, in particular to a method for real-time transmission of raw data of remote sensing satellites using the FTP protocol. Background technique [0002] The recording system in the remote sensing satellite receiving system records the satellite raw data downloaded by the remote sensing satellite in real time, and records it into a satellite raw data file or The data stream is pushed to the downstream system in a non-real-time or real-time manner to complete the non-real-time or real-time transmission of the original data of the remote sensing satellite. [0003] At present, for the real-time transmission requirements of remote sensing satellite raw data, a custom real-time transmission protocol is adopted, a specific socket client sending program is written in the recording system, a specific socket server receiving program is written in the data transmission system, and real-time tr...
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IPC IPC(8): H04L67/06H04L67/1001
CPCH04L67/06
Inventor 李景山
Owner AEROSPACE INFORMATION RES INST CAS