Bearing Estimation Using Double Frequency Reassignment for a Linear Passive Array
Published Online: Oct 11, 2017
Page range: 26 - 35
DOI: https://doi.org/10.1515/pomr-2017-0087
Keywords
© 2017 Krzysztof Czarnecki et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
The paper demonstrates the use of frequency reassignment for bearing estimation. For this task, signals derived from a linear equispaced passive array are used. The presented method makes use of Fourier transformation based spatial spectrum estimation. It is further developed through the application of two-dimensional reassignment, which leads to obtaining highly concentrated energy distributions in the joint frequency-angle domain and sharp graphical imaging. The introduced method can be used for analysing,