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Study of Pre-alert Radar Jamming System DDS

Zengping Chen

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Abstract

In this article a design method of radar jamming system is introduced.This jamming system's research object is LFM pulsed pre-alert radar,and its application background is our nation's new generation radar deception jamming equipment.After analyzing the signal formula of radar target's echo and the parameters of false-target,using FPGA and DSP,a DDS based LFM pulsed radar jamming plan is brought out with the advantage of the DDS' realizing method based on FPGA.This system has the ability to generate multi-false-target signal,jam LFM pulsed radars.This is valuable in application.

About this research paper

What this paper is about

In this article a design method of radar jamming system is introduced.This jamming system's research object is LFM pulsed pre-alert radar,and its application background is our nation's new generation radar deception jamming equipment.After analyzing the signal formula of radar target's echo and the parameters of false-target,using FPGA and DSP,a DDS based LFM pulsed radar jamming plan is brought out with the advantage of the DDS' realizing method based on FPGA.This system has the ability to generate multi-false-target signal,jam LFM pulsed radars.This is valuable in application.

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Available abstract

In this article a design method of radar jamming system is introduced.This jamming system's research object is LFM pulsed pre-alert radar,and its application background is our nation's new generation radar deception jamming equipment.After analyzing the signal formula of radar target's echo and the parameters of false-target,using FPGA and DSP,a DDS based LFM pulsed radar jamming plan is brought out with the advantage of the DDS' realizing method based on FPGA.This system has the ability to generate multi-false-target signal,jam LFM pulsed radars.This is valuable in application.

Key concepts: Radar jamming and deception, Jamming, Radar, Digital radio frequency memory, Radar lock-on, Computer science, Deception, Continuous-wave radar

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