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Use of time-frequency distributions to estimate the parameters of motion of a tonal signal source
Authors:B S Belyaev  V K Maslov  V V Novikov  V N Toropov
Abstract:Algorithms for obtaining estimates of the trajectory parameters of a moving signal source for the case of one receiver and two spatially separated receivers are considered. The optimization algorithm is based on the method of coordinate descent using a combination of the golden-section method and subsequent parabolic interpolation. For the interferometric scheme and moderate signal/noise ratios a distance estimation error of ±(5–15%)%, a traverse time error of ±(1–2) sec and a velocity error of ±(2–4)% are attainable. Translated from Izmeritel'naya Tekhnika, No. 3, pp. 48–52, March, 1997.
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