Vol. 24

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DOA Estimation Using Time-Frequency Conversion Pre-Processing Method

By Sang-Tae Kim, Ji-Tae Kim, and Y.-S. Choi
Progress In Electromagnetics Research C, Vol. 24, 13-24, 2011


In many cases, the study of DOA estimation techniques is developed based on ideal condition of signal sources and array sensor antennas. But, there are much more errors as a result of signal shadow effects from noise contribution and interference of installation environment in real system. In this paper, the DOA estimation algorithm using the de-noising pre-processing based on time-frequency conversion analysis was proposed, and the performance was analyzed. This is focused on the improvement of DOA estimation at a lower SNR and interference environment.


Sang-Tae Kim, Ji-Tae Kim, and Y.-S. Choi, "DOA Estimation Using Time-Frequency Conversion Pre-Processing Method," Progress In Electromagnetics Research C, Vol. 24, 13-24, 2011.


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