Abstract
Estimation of the Direction Of Arrival (DOA) of a signal is essential in various applications such as phased array antennas for communications, microphone arrays for audio and room acoustics, and Sonars for underwater acoustics. In general, sensor arrays used in those applications consist of several to hundreds of spatially distributed sensors, which could be expensive. This chapter is devoted for a recently introduced DOA estimation architecture, CAROUSEL (CirculARly mOving sensor for USE of moduLation effect). The unique feature of CAROUSEL is its requirement of only a single sensor. DOA estimation is achieved by moving the sensor in a circular path to cause a phase modulation in the signal so that the observed signal contains the DOA information. Algorithms for CAROUSEL have been developed and simulated for the application to estimate the DOA of sinusoidal and harmonic signals. (This chapter is based on the authors’ conference papers [1,2].)
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Kishida, M., Hioka, Y. (2015). Circularly Moving Sensor for Use of Modulation Effect - CAROUSEL. In: Mason, A., Mukhopadhyay, S., Jayasundera, K. (eds) Sensing Technology: Current Status and Future Trends IV. Smart Sensors, Measurement and Instrumentation, vol 12. Springer, Cham. https://doi.org/10.1007/978-3-319-12898-6_11
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DOI: https://doi.org/10.1007/978-3-319-12898-6_11
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-12897-9
Online ISBN: 978-3-319-12898-6
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