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Uncertainty function of signal with combined frequency modulation


B.G. Tatarsky, E.V. Maystrenko

At modern practice subjects of radiolocation it becomes necessary to use sophisticated probing signals with combined law of signal frequency instant value change. These signals allow enhancing potential features of radar system meaning resolution, measurement accuracy and noise immunity. Features of uncertainty function of signal with combining of linear and harmonic frequency modulation (CFM – signal) are considered in this article, the comparative analysis of this function with the same functions of signals with nonlinear (NFM) and linear frequency (LFM) modulation is carried out. Images and distinctive features of the body of CFM – signal uncertainty function in comparison with the same functions of LFM and NFM signals are resulted in present article; and also main differences and changes of time and frequency domain features of CFM – signal at a variation of linear and nonlinear modulation parameters are considered.
June 24, 2020
May 29, 2020

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