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has been cited by the following article:

• TITLE: A New Method for Anti-Noise FM Interference

  AUTHORS: Changyong JIANG, Meiguo GAO, Defeng CHEN

  KEYWORDS: ECM, ECCM, NFM Interference, Anti-NFM

  JOURNAL NAME: Wireless Sensor Network, Vol.1 No.4, November 20, 2009

  ABSTRACT: Noise Frequency Modulated (NFM) interference causes a disaster to almost all types of Radar systems. The echo signal and the interference are overlapped and because of strong energy of the NFM interference noth-ing could be detected except the interference in the Radar receiver system. Up to now no good method against NFM has been declared, conventional methods are based on the passive Radar to track the interfer-ence source which are not applicable under most conditions. Here a novel anti-noise FM method is proposed to suppress the NFM interference, the method multiply the mixed signal two times by different reference signals. The principle and some key factors of the new method are analyzed in detail and some rules for pa-rameters designing are given. What’s more, results show that the method can eradicate NFM effectively.