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General multi-mode information processor for aircrafts based on software radio

A software radio, information processor technology, applied in the directions of radio transmission systems, electrical components, transmission systems, etc., can solve problems such as difficulty in adapting to the development schedule, insufficient to meet high-speed, high-reliability data transmission, and shorten the development cycle. , strong maintainability and scalability, the effect of improving availability and robustness

Active Publication Date: 2017-04-19
BEIJING AEROSPACE INST OF THE LONG MARCH VEHICLE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design idea of ​​the traditional data transmission system is not enough to meet the needs of high-speed, high-reliability data transmission, and it is also difficult to adapt to the fast-paced development progress

Method used

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  • General multi-mode information processor for aircrafts based on software radio
  • General multi-mode information processor for aircrafts based on software radio
  • General multi-mode information processor for aircrafts based on software radio

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] During the flight of the aircraft, through the two-way communication with the ground, the function of receiving various uplink commands and downloading the telemetry data of the aircraft is realized. When the flight distance of the aircraft is relatively long and there is no direct line of sight between the aircraft and the ground, it is necessary to use satellite relays to achieve two-way communication, thereby providing full communication capabilities. Since the coverage of different types of relay satellites is different, providing support for multiple satellite relay modes can greatly improve the versatility of the system. Therefore, a multi-mode information processor is needed to provide support for the whole communication of the aircraft.

[0035] A multi-mode information processor needs to have communication capabilities in mul...

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Abstract

The invention discloses a general multi-mode information processor for aircrafts based on software radio. The multi-mode information processor comprises a main control module, a radio frequency module, and a signal processing module. The main control module sends a relay mode selection instruction and a direct mode switching instruction to the signal processing module and the radio frequency module. The signal processing module and the radio frequency module load different executable programs and perform switching between different radio frequency channels according to the relay mode selection instruction, and support two types of relay satellites of different signal systems in carrying out relay communication. According to the direct mode switching instruction, direct communication between an aircraft and ground tracking telemetry control equipment or communication between an aircraft and a relay satellite is supported. The availability and robustness of the information processor are improved, the generality of the information processor is improved, and the development cycle is shortened.

Description

technical field [0001] The invention relates to a general multi-mode information processor for aircraft based on software radio, which is applied to wireless data transmission of high-speed aircraft and belongs to the field of wireless data transmission. Background technique [0002] Through the wireless data transmission between the high-speed aircraft and the ground, it can realize the function of sending various uplink commands to the aircraft and downloading the telemetry data of the aircraft. The information processor is the key equipment of the data transmission system on the aircraft. It completes the functions of signal sending and receiving and data processing, specifically including down-conversion, demodulation, and decoding of the receiving channel, as well as framing, encoding, digital modulation, and up-conversion of the transmitting channel. etc., such as figure 1 shown. [0003] The wireless transmission system equipped on the existing aircraft mainly inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185
Inventor 程永生胡光东霍小宁李宝王悦孙向春水涌涛修展王丰徐进孙涛王洪凯王伟伟翟慧娟吴丽美陈海亮苏晓东任昌健杨博昆
Owner BEIJING AEROSPACE INST OF THE LONG MARCH VEHICLE
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