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Alfred John Mwambela

Senior Lecturer

College of Information and Communication Technologies

Electronics and Telecommunications Engineering

Biography

Alfred Mwambela received his B.Sc. degree in Applied Physics in 1988 from the University of Dar-es-Salaam, Tanzania; his M.Sc. degree in Electronics in 1993 from Durham University, UK; and a Ph.D. degree in industrial process tomography in 1999 from a sandwich program between the University of Bergen, Norway, and the University of Dar-es-Salaam, Tanzania. Currently, he is a senior lecturer at the University of Dar es Salaam in the Department of Electronics and Telecommunications Engineering. His research interests are in non-invasive digital imaging system development, industrial processes and medical imaging tomography, wireless sensor technologies, industrial instrumentation and control systems, remote laboratories, and e-learning.

Research Interest

Contacts

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Projects

Publications

  1. Mwambela, A. J., and Purvis, A., 1993. METEOSAT WEFAX Image Data Acquisition from the Weather Satellite Receiver. Tanzania Journal of Science, Vol. 19, pp. 11-19.
  2. Mwambela A. J., Isaksen Ø., and Johansen G. A, 1997. The Use of Entropic Thresholding Methods in Reconstruction of Capacitance Tomography Data. J. Chem. Eng. Sci. Vol. 52 (13) pp 2149-2159
  3. Mwambela A. J., Johansen G. A., 2001. Multiphase Flow Component Volume Fraction Measurement: Experimental Evaluation of Entropic Thresholding Methods Using an Electrical Capacitance Tomography System, Meas. Sci. Technol. 12 (8) pp 1092-1101
  4. Mwambela, A. J., 2005. The Influence of the Quantization Process on the Performance of Global Entropic Thresholding Algorithms Using Electrical Capacitance Tomography Data. Tanzania Journal of Science Vol 31(2) pp 63-75.
  5. Nombo J. P., Mwambela A. J., and Mvuma A., 2011. NI USB-6009 iLab: A Flexible and Low-Cost Platform for Online Experiments in Electronics Science and Engineering. The Tanzania Engineer, IET Journal Vol. 11(1), pp. 59-636.
  6. Mwambela, A. J., and Maiseli, B. M., 2012. Integrating the NI ELVIS Two-Terminal Current-Voltage Analyzer into the ISA Framework for Online Experiments Development. The Tanzania Engineer, IET Journal Vol. 12(1), pp. 84-90.
  7. Bulugu I and Mwambela, A. J., 2013. Web-Accessible Liquid Distillation Column Temperature Monitoring and Control Using iLabs Shared Architecture. Int. J. of Science and Research, India Online ISSN 2319-7064 Vol. 2 (4) pp 114–118.
  8. Manyele A. and Mwambela A. J., 2014. Simulated PGA Shaking Maps for the Magnitude 6.8 Lake Tanganyika Earthquake of December 5, 2005, and the Observed Damages Across Southwestern Tanzania. Int. J. of Scientific Research and Publications, ISSN 2250-3153 Vol. 4 (6) June pp. 3085
  9. Manyele A. and Mwambela A. J., 2014. Correlation Between the Reported Earthquake Damages from the Magnitude 6.5 Lake Tanganyika Earthquake of October 2, 2000, and the Simulated PGA Shaking Maps. Int. J of Scientific Engineering and Technology, ISSN 2277-1581, Vol. 3 (7), July, pp. 991-993
  10. Manyele, A. and Mwambela, A. J., 2014. Feasibility Study of Community Earthquake Early Warning System Proposed for Mbeya City and Surrounding Regions. Open. J. of Earthquake Research, 3, 135–142. http://dx.doi.org/10.4236/ojer.2014.33013
  11. Nombo J. P., Mwambela A. J., and Kisangiri M., 2014. A Grey Level Fitting Mechanism Based on the Gompertz Function for Two-Phase Flow Imaging Using Electrical Capacitance Tomography Measurement Systems. September Int. J. of Computer Applications (09757-8887) Vol. 101(8): pp. 7–12. ISBN 973-93-80883-69-6, doi:10.5120/17705-8704
  12. Misso A and Mwambela A. J., 2015. Development of Online Optical Fiber Communication Experiments Using the Interactive iLab Shared Architecture. Int. J. of Computer Applications (09757-8887) Vol. 131 (11) pp 6–13, December. ISBN 973-93-80890-38-4, dio.10.5120/ijca 20150907450

 

  1. Nombo J. P., Mwambela A. J., and Kisangiri M., 2015. Performance Analysis of Grey Level Fitting Mechanism Based on Gompertz Function for Image Reconstruction Algorithms for ECT Measurement System. Int. J. of Computer Applications (09757-8887) Vol. 109 (15): pp 914, January, ISBN 973-93-80884-83-7, dio.10.5120/19263-0960.
  2. Mtebe, J., Kibga, E. Y., Mwambela, A. J., and Kissaka, M. M., 2015. Developing Multimedia Enhanced Content to Upgrade Subject Content Knowledge of Secondary School Teachers in Tanzania. J. of Learning for Development. Vol. 2 (3): 29–44.
  3. Nombo J. P., Mwambela A. J., and Kisangiri M., 2016. A Review of Image Reconstruction Techniques in Electrical Capacitance Tomography. J of Mathematical and Computational Science (ISSN 1927-5307) Vol 6 (1): 39–57.
  4. Manyele A and Mwambela A. J., 2016. Event Detection Time Delays from Community Earthquake Early Warning System Experimental Seismic Stations Implemented in Southwestern Tanzania, Between August 2012 to December 2013. Int. J. of Advancement in Eng. Technology, Management and Applied Science. Vol. 3 (8), pp. 144–149. ISSN: 2349-3224.
  5. Mwambela, A. J., 2018. Comparative Analysis of Entropic Thresholding Algorithms Based on Shannon, Renyi, and Tsallis Entropies. Int. J. Intelligent Systems and Application, 4, pp 41-49. DOI: 10.5815/ijisa.2018.04.05.
  6. Mugundu Rambika, Abdi T. Abdalla, Baraka J. Maiseli, and Alfred J. Mwambela, 2020. Performance Evaluation of Aspect Dependent-Based Ghost Suppression Methods for Through-The-Wall Radar Imaging under Compressive Sensing Framework. Tanzania Journal of Science, Vol.46 (3).
  7. Eva Shayo, Prosper Mafole, Alfred Mwambela, 2020. A Survey on Time Division Multiple Access Scheduling Algorithms for Industrial Networks. SN Applied Sciences, Vol. 2 (12) pp 1–10.
  8. Nombo J. P, Mwambela A. J., and Kisangiri M., 2021. Analysis and Performance Evaluation of Entropic Thresholding Image Processing Techniques for Electrical Capacitance Tomography Measurement System. Tanzania Journal of Science, Vol.47 (3).
  9. Mugundu Rambika, Abdi T. Abdalla, Idrissa Amour, Baraka J. Maiseli, Alfred J. Mwambela, 2022. Aspect dependent-based ghost suppression for extended targets in through-the-wall radar imaging under the compressive sensing framework. EURASIP Journal on Advances in Signal Processing. 2022(1), pp 1–14.
  10. Mwambela A. J, (2023). Evaluation of Image Enhancement Techniques for Electrical Capacitance Tomography Applications. Tanzania Journal of Science, Vol.49. (1) pp 116 –129. https://doi.org/10.4314/tjs.v49i1.11.
  11. Shayo E. I., Abdalla A. T., Mwambela A. J., (2023). Dynamic Multi-Frame Multi-Spreading Factor Scheduling Algorithm for LoRaWAN. Journal of Electrical Systems and Information Vol. 10(1) pp 11. Journal of Electrical Systems and Information, Vol. 10(1) pp 11.
  12. Shayo E. I., Abdalla A. T., Mwambela A. J., Tole Sutikno, (2024). Energy Efficient Slotted Synchronization Approach in LoRaWAN. Indonesian Journal of Electrical Engineering and Computer Science, Vol. 35(1), pp 203-212.
  13. Mwambela, A. J. and Nombo J., (2024). Image Reconstruction Method Based on Iterative Linear Back Projection and Logistic Forward Solver for Electrical Capacitance Tomography Measurement System. Tanzania Journal of Science, Vol.50 (2) pp 347 – 358. https://doi.org/10.4314/tjs.v50i2.14
  14. Johnson Dismas, Nassor Ally, Josiah Nombo, Alfred Mwambela, Baraka Maiseli, (2024). Perona-Malik Diffusion-Driven Regularization for Image Resolution Enhancement in Electrical Capacitance Tomography. Tanzania Journal of Engineering and Technology, Vol.43 (2) pp 139 – 149, https://doi.org/10.52339/tjet.v43i2.997.
  15. Mwambela, A. J., and Shamte K., (2025). Investigation of the electrical capacitance tomography-based sensor electronics for determining the distribution of moisture content in grains. Tanzania Journal of Engineering and Technology, Vol.44 (1) Apr pp 233 – 244, https://doi.org/10.52339/tjet.v44i1.1066