Design and application of DRFM system based on digital channelized receiver

Author

Zongbo, Wang ; Meiguo, Gao ; Yunjie, Li ; Haiqing, Jiang

Author_Institution

Dept. of Electron. Eng., Beijing Inst. of Technol., Beijing

fYear

2008

fDate

2-5 Sept. 2008

Firstpage

375

Lastpage

378

Abstract

A model of DRFM system based on digital channelized receiver is introduced, it takes the advantages of channelized receiver to achieve broadband instantaneous frequency coverage, and with decimated data flow, the requirement of the memory capacity for DRFM system can be saved and make it possible to achieve real-time amplitude and frequency modulation process in radar countermeasure applications. The DAC works at lower speed compared with ADC sample rate. The theory of channelized receiver is first stated and the realization structure based on polyphase filters is derived. The hardware platform has been designed for the implementation of the DRFM model; it can act as the core subsystem for general radar countermeasure system.

Keywords

amplitude modulation; broadband networks; electronic countermeasures; frequency modulation; ADC sample rate; DAC; DRFM system; broadband instantaneous frequency coverage; decimated data flow; digital channelized receiver; digital radio frequency memory; polyphase filters; radar countermeasure applications; real-time amplitude modulation; real-time frequency modulation; Bandwidth; Electronic countermeasures; Filters; Hardware; Pulse width modulation; RF signals; Radar applications; Radar countermeasures; Radio frequency; Real time systems;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar, 2008 International Conference on

Conference_Location

Adelaide, SA

Print_ISBN

978-1-4244-2321-7

Electronic_ISBN

978-1-4244-2322-4

Type

conf

DOI

10.1109/RADAR.2008.4653950

Filename

4653950