DOA ESTIMATION USING TIME-FREQUENCY CONVERSION PRE-PROCESSING METHOD | Zendy

SangTae Kim | Zendy; Ji-Tae Kim | Zendy; Yeongyoon Choi | Zendy

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DOA ESTIMATION USING TIME-FREQUENCY CONVERSION PRE-PROCESSING METHOD

Author(s) -

SangTae Kim,

Ji-Tae Kim,

Yeongyoon Choi

Publication year - 2011

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc11061504

Subject(s) - estimation , computer science , time–frequency analysis , speech recognition , engineering , computer vision , systems engineering , filter (signal processing)

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 efiects 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.

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