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A Method to Extend the Estimation Range of the Existing Time-Domain Doppler Centroid Estimators

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3 Author(s)
Pakorn Ubolkosold ; Center for Sensorsystems (ZESS), Univ. of Siegen, Siegen ; Stefan Knedlik ; Otmar Loffeld

In this letter, we use the summation-by-parts formula as a simple tool to extend the estimation range of a certain class of the already existing correlation-based Doppler centroid estimators. The resulting estimators are as robust as the original ones but cover a much larger estimation range of about 50% of the pulse-repetition frequency. Two examples with simulations are provided to demonstrate the benefits of the proposal.

Published in:

IEEE Geoscience and Remote Sensing Letters  (Volume:5 ,  Issue: 2 )