Chibuzo Joseph Nnonyelu
Postdoktor|Postdoc
- Professional title: Postdoc
- Academic title: Postdoc
- Telephone: +46 (0)10-1726578
- Email: chibuzojoseph.nnonyelu@miun.se
- Visitor address: Holmgatan 5
- Room number: S241c
- Location: Sundsvall
- Electronics
- Electrical Engineering
- STC Research Centre
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Employed at the subject:
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Research centers:
Publications
Articles in journals
Conference papers
Articles in journals
Anioke, C. L. & Nnonyelu, C. J. (2024). Multipaths’ statistics for scatterers with inverted elliptic–parabolic spatial density around the mobile. Physical Communication, vol. 62
Nnonyelu, C. J. & Wong, K. T. (2024). Two Cardioid Sensors in Perpendicular Colocation – Their “Spatial Matched Filter" Beam Steering. IEEE Sensors Journal,
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. (2023). Spherical-sector harmonics domain processing for wideband source localization using spherical-sector array of directional microphones. Journal of the Acoustical Society of America, vol. 153: 3_supplement, pp. A54-A54.
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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 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, pp. 895-906.
Conference papers
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. In 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. In Proceedings of Meetings on Acoustic.. pp. 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. In Proceedings of Meetings on Acoustics.. pp. 1--8.