Digital full-broadband direct forwarding type radar transponder system and working method thereof

Abstract

The invention provides a digital full-broadband direct forwarding type radar transponder system and a working method thereof, and provides a brand-new radar transponder system architecture and a new Morse code reading scheme corresponding to the brand-new radar transponder system architecture. According to the system, a direct forwarding type system architecture is adopted, and the architecture combines a digital broadband DRFM real-time forwarding technology and a point-to-line coding response architecture. The transmitting antenna and the receiving antenna work independently and simultaneously, all radar inquiry signals in a working frequency band are directly coded and forwarded without difference, complete waveform information is reserved, and meanwhile, Moss coding of response information is achieved. The system can be equivalent to a target with special target characteristics, and radar signals in a working frequency band can generate echo signals with specified Moss coded modulation characteristics after irradiating the target.

Description

technical field [0001] The invention belongs to the technical field of radio navigation, and in particular relates to a digital full-broadband direct transponder radar transponder system and a working method thereof. Background technique [0002] Radar transponders are generally aids to navigation used to identify buoys, lighthouses, ports, coasts and other objects of nautical significance. When the radar interrogation signal is detected, the radar transponder generates a Morse coded response signal representing a specific meaning. [0003] The existing radar transponders mainly have two implementation methods: frequency sweeping and frequency agility. At present, frequency sweeping radar transponders have been eliminated. Frequency-agile radar transponders contain additional circuitry to determine the frequency of each interrogation pulse received and rapidly tune the response signal frequency to match it. [0004] The mainstream frequency-agile radar transponder currentl...

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Problems solved by technology

[0006] In view of the deficiencies in the prior art, in order to solve the problem that current radar transponders cannot respond to new system radars with wideband and complex modulation waveforms, the purpose of the present invention is to provide A digital full-broadband direct-transponder radar transponder system and its working method

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