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Iterative Method for Nonlinear FM Synthesis of Radar Signals

机译:雷达信号非线性调频合成的迭代方法

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摘要

The problem of synthesizing a time-domain signal with a given energy spectral density (ESD) often arises in the field of signal processing. Many solutions have been proposed and successfully used over the years. However the problem of synthesizing a time-domain signal with constraints for a given ESD has not been investigated sufficiently. We propose a solution to one such constraint where the amplitude of the complex-valued time-domain signal is required to be unity. This is equivalent to phase modulating a unit amplitude signal, such that its ESD matches a desired energy spectral density. We provide an algorithm for this solution and apply it to a real problem encountered in radars.
机译:合成具有给定能量谱密度(ESD)的时域信号的问题通常出现在信号处理领域。多年来,已经提出并成功使用了许多解决方案。然而,对于给定的ESD具有约束条件的时域信号的合成问题尚未得到充分研究。我们提出了一种解决方案,其中要求复值时域信号的幅度为统一的一种解决方案。这等效于对单元幅度信号进行相位调制,以使其ESD与所需的能谱密度匹配。我们为该解决方案提供了一种算法,并将其应用于雷达中遇到的实际问题。

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