Items where Author is "Gkoktsi, K."
Gkoktsi, K. & Giaralis, A. 
ORCID: 0000-0002-2952-1171 (2020).
A compressive MUSIC spectral approach for identification of closely-spaced structural natural frequencies and post-earthquake damage detection.
Probabilistic Engineering Mechanics, 60,
article number 103030.
doi: 10.1016/j.probengmech.2020.103030
Gkoktsi, K. & Giaralis, A. ORCID: 0000-0002-2952-1171 (2019).
A multi-sensor sub-Nyquist power spectrum blind sampling approach for low-power wireless sensors in operational modal analysis applications.
Mechanical Systems and Signal Processing, 116,
pp. 879-899.
doi: 10.1016/j.ymssp.2018.06.049
Gkoktsi, K., Giaralis, A. ORCID: 0000-0002-2952-1171, Klis, R. P. , Dertimanis, V. & Chatzi, E. N. (2019).
Output-Only Vibration-Based Monitoring of Civil Infrastructure via Sub-Nyquist/Compressive Measurements Supporting Reduced Wireless Data Transmission.
Frontiers in Built Environment, 5,
article number 111.
doi: 10.3389/fbuil.2019.00111
Gkoktsi, K. & Giaralis, A. ORCID: 0000-0002-2952-1171 (2018).
A sub-Nyquist co-prime sampling music spectral approach for natural frequency identification of white-noise excited structures.
In:
Proceedings of the 8th International Conference on Computational Stochastic Mechanics (CSM 8).
Gkoktsi, K. (2018). Compressive techniques for sub-Nyquist data acquisition & processing in vibration-based structural health monitoring of engineering structures. (Unpublished Doctoral thesis, City, University of London)
Gkoktsi, K., Giaralis, A. ORCID: 0000-0002-2952-1171, Klis, R. , Dertimanis, V. & Chatzi, E. (2017).
Vibration-based structural performance assessment via output-only sub-Nyquist/compressive wireless sensor data.
Paper presented at the 4th Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures- SMAR 2017, 13 - 15 September 2017, Zurich, Switzerland.
Gkoktsi, K. & Giaralis, A. (2017). Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis. Structural Health Monitoring, 16(5), pp. 630-646. doi: 10.1177/1475921717725029
Gkoktsi, K. & Giaralis, A. ORCID: 0000-0002-2952-1171 (2016).
Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis.
In:
8th European Workshop on Structural Health Monitoring (EWSHM 2016).
8th European Workshop On Structural Health Monitoring (EWSHM 2016), 5-8 Jul 2016, Bilbao, Spain.
Gkoktsi, K., Giaralis, A. & TauSiesakul, B. (2016). Sub-Nyquist signal-reconstruction-free operational modal analysis and damage detection in the presence of noise. Paper presented at the SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 20-24 Mar 2016, Las Vegas, USA.
Siesakul, B. T., Gkoktsi, K. & Giaralis, A. (2015). Compressive power spectrum sensing for vibration-based output-only system identification of structural systems in the presence of noise. Compressive Sensing IV, 9484, article number 94840K. doi: 10.1117/12.2177162
Gkoktsi, K. & Giaralis, A. (2015). Effect of frequency domain attributes of wavelet analysis filter banks for structural damage localization using the relative wavelet entropy index. International Journal of Sustainable Materials and Structural Systems, 2(1/2), pp. 134-160. doi: 10.1504/ijsmss.2015.078365
Gkoktsi, K., TauSiesakul, B. & Giaralis, A. (2015). Multi-channel sub-Nyquist cross-Spectral Estimation for Modal Analysis of Vibrating Structures. In: Systems, Signals and Image Processing (IWSSIP), 2015 International Conference on. nternational Conference on Systems, Signals and Image Processing (IWSSIP 2015), 10-12 Sep 2015, London, UK. doi: 10.1109/IWSSIP.2015.7314232
TauSiesakul, B., Gkoktsi, K. & Giaralis, A. (2014). Compressive sensing spectral estimation for output-only structural system identification. Paper presented at the 7th Stochastic Computational Mechanics Conference, 15-18 June 2014, Santorini, Greece.
Gkoktsi, K. & Giaralis, A. (2014). On the influence of frequency selectivity of wavelet bases for relative wavelet entropy-based structural damage localization. In: Rodellar, J, Guemes, A & Pozo, F (Eds.), Sixth World Conference on Structural Control and Monitoring. 6th World Conference on Structural Control and Monitoring, 15-07-2014 - 17-07-2014, Barcelona, Spain.