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2010•Modern Defence TechnologyRequires access

Randomly Shift Frequency Jamming to LFM Pulse Compression Radar

Yongshun Zhang

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Abstract

The jamming effects of the fixed shift frequency Jamming to LFM Pulse Compression Radar are analyzed. For its defect of being easily discerned, an improved shift frequency style, Randomly shift frequency style is proposed. The theoretical analysis shows that its output after pulse compression is a noise like swath covering definite distance. The jamming scope, jamming area and jamming energy distribution can be changed by controlling the distribution parameter of shift frequency. Since the jamming obtains some compression gain, lower jamming power can realize the covering jamming. The simulation proves that the analysis is correct and the jamming is effective.

About this research paper

What this paper is about

The jamming effects of the fixed shift frequency Jamming to LFM Pulse Compression Radar are analyzed. For its defect of being easily discerned, an improved shift frequency style, Randomly shift frequency style is proposed. The theoretical analysis shows that its output after pulse compression is a noise like swath covering definite distance. The jamming scope, jamming area and jamming energy distribution can be changed by controlling the distribution parameter of shift frequency. Since the jamming obtains some compression gain, lower jamming power can realize the covering jamming. The simulation proves that the analysis is correct and the jamming is effective.

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Available abstract

The jamming effects of the fixed shift frequency Jamming to LFM Pulse Compression Radar are analyzed. For its defect of being easily discerned, an improved shift frequency style, Randomly shift frequency style is proposed. The theoretical analysis shows that its output after pulse compression is a noise like swath covering definite distance. The jamming scope, jamming area and jamming energy distribution can be changed by controlling the distribution parameter of shift frequency. Since the jamming obtains some compression gain, lower jamming power can realize the covering jamming. The simulation proves that the analysis is correct and the jamming is effective.

Key concepts: Jamming, Pulse compression, Radar jamming and deception, Radar, Pulse repetition frequency, Noise (video), Compression (physics), Computer science

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