Chibuzo Joseph Nnonyelu

Publikationer

Artiklar i tidskrifter

Jiang, M. , Nnonyelu, C. J. , Lundgren, J. , Thungström, G. & Sjöström, M. (2023). A Coherent Wideband Acoustic Source Localization Using a Uniform Circular Array. Sensors, vol. 23: 11  

Nnonyelu, C. J. , Jiang, M. & Lundgren, J. (2022). A Lower Bound on the Estimation Variance of Direction-of-Arrival and Skew Angle of a Biaxial Velocity Sensor Suffering from Stochastic Loss of Perpendicularity. Sensors, vol. 22: 21  

Du, S. S. , Wong, K. T. , Song, Y. , Nnonyelu, C. J. & Wu, Y. I. (2022). Higher-order figure-8 microphones/hydrophones collocated as a perpendicular triad—Their “spatial-matched-filter” beam steering. Journal of the Acoustical Society of America, vol. 151: 2, ss. 1158-1170.    

Nnonyelu, C. J. , Okide, C. P. & Ahaneku, M. A. (2021). Angle-of-arrival and time-of-arrival statistics of multipaths arising from scatterers on an elliptical disc with conic spatial density around the mobile. Physical Communication, vol. 49

Nnonyelu, C. J. , Morris, Z. N. & Madukwe, C. A. (2021). On the Performance of L- and V-Shaped Arrays of Cardioid Microphones for Direction Finding. IEEE Sensors Journal, vol. 21: 2, ss. 2211-2218.

Nnonyelu, C. J. , MADUKWE, C. & MADUKWE, K. (2020). Fully steerable collocated first-order cardioid microphone array acoustic beam-pattern. Przeglad Elektrotechniczny, vol. 96: 12, ss. 76-80.  

Nnonyelu, C. J. , Wong, K. T. & Lee, C. H. (2020). Higher-order figure-8 sensors in a pair, skewed and collocated—Their azimuthal “spatial matched filter” beam-pattern. Journal of the Acoustical Society of America, vol. 147: 2, ss. 1195-1206.

Nnonyelu, C. J. , Wong, K. T. & Wu, Y. I. (2019). Cardioid microphones/hydrophones in a collocated and orthogonal triad—A steerable beamformer with no beam-pointing error. Journal of the Acoustical Society of America, vol. 145: 1, ss. 575-588.

Nnonyelu, C. J. (2019). Rules-of-thumb to design a uniform spherical array for direction finding—Its Cramér–Rao bounds’ nonlinear dependence on the number of sensors. Journal of the Acoustical Society of America, vol. 145: 2, ss. 714-723.

Wong, K. T. , Nnonyelu, C. J. & Wu, Y. I. (2018). A Triad of Cardioid Sensors in Orthogonal Orientation and Spatial Collocation—Its Spatial-Matched-Filter-Type Beam-Pattern. IEEE Transactions on Signal Processing, vol. 66: 4, ss. 895-906.

Konferensbidrag

Jiang, M. , Nnonyelu, C. J. , Lundgren, J. , Sjöström, M. , Thungström, G. & Gao, S. (2022). Performance Comparison of Omni and Cardioid Directional Microphones for Indoor Angle of Arrival Sound Source Localization. I Conference Record - IEEE Instrumentation and Measurement Technology Conference.  

Nnonyelu, C. J. , Lee, C. H. & Wong, K. T. (2018). Directional pointing error in “spatial matched filter” beamforming at a tri-Axial velocity-sensor with non-orthogonal axes. I Proceedings of Meetings on Acoustic.. S. 1--7.

Nnonyelu, C. J. , Lee, C. H. & Wong, K. T. (2017). Two biaxial velocity-sensors of non-identical orientation – their “spatial matched filter” beam-pattern’s pointing error. I Proceedings of Meetings on Acoustics.. S. 1--8.