Analysis of Simulation to Jamming Modulation of SAR Sinusoidal Frequency Modulation
Chuangming Tong
Abstract
Chuangming Tong
Abstract
The jamming signals which are sinusoidal frequency modulated in jammer is similar to the original signals,so they can acquire the power gain from the matched filter and have high power usage ratio.After analyzing the spectrum characteristics of sinusoidal frequency modulation(FM) jamming signals,this paper deduces the 2-D jamming model,also analyzes the influence of modulation parameter change on the jamming effect,finally proves the correction of the principle by the simulation experiment.
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The jamming signals which are sinusoidal frequency modulated in jammer is similar to the original signals,so they can acquire the power gain from the matched filter and have high power usage ratio.After analyzing the spectrum characteristics of sinusoidal frequency modulation(FM) jamming signals,this paper deduces the 2-D jamming model,also analyzes the influence of modulation parameter change on the jamming effect,finally proves the correction of the principle by the simulation experiment.
Key concepts: Jamming, Frequency modulation, Modulation (music), Radar jamming and deception, Power (physics), Filter (signal processing), Matched filter, Computer science