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Design of optimum signals for the simultaneous estimation of time delay and Doppler shift

机译:同时估计时延和多普勒频移的最佳信号设计

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摘要

The problem of joint estimation of time delay and Doppler shift is considered from the point of view of the Wigner distribution of the signal. A very efficient method of obtaining the optimum signal with minimum estimation error based on the convexity of the design region is developed. Practical applications, however, require the signal to satisfy other constraints which present complications in acquiring the optimum signal. A design approach based on the method of simulated annealing is suggested to solve for the optimum signal under constraints. The performance of the signals so obtained is evaluated and compared with that of signals obtained by synthesis.
机译:从信号的维格纳分布的角度考虑了时延和多普勒频移联合估计的问题。提出了一种基于设计区域的凸度获得具有最小估计误差的最佳信号的非常有效的方法。然而,实际应用中,信号需要满足其他约束条件,这在获取最佳信号时会带来复杂性。提出了一种基于模拟退火方法的设计方法,以解决约束条件下的最优信号。评价如此获得的信号的性能,并将其与通过合成获得的信号的性能进行比较。

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