Items where Author is "Liu, Lei"

Liu, Lei, Liu, Yan-Jun, Tong, Shaocheng and Gao, Zhiwei (2022) Relative Threshold-Based Event-Triggered Control for Nonlinear Constrained Systems With Application to Aircraft Wing Rock Motion. IEEE Transactions on Industrial Informatics, 18 (2). pp. 911-921. ISSN 1551-3203

Liu, Lei, Ghassemlooy, Zabih, Sambell, Alistair, Danaher, Sean and Smith, Dave (2013) Investigation of Transformer Turns Ratio Between Feed and Slot of Aperture Coupled Slot Antenna by Using S-11 Parameter. IEEE Transactions on Antennas and Propagation, 61 (11). pp. 5785-5787. ISSN 1558-2221

Liu, Lei, Korolkiewicz, Edward, Ghassemlooy, Zabih, Sambell, Alistair, Danaher, Sean and Busawon, Krishna (2013) Investigation of the equivalent circuit parameters and design of a dual polarised dual frequency aperture coupled microstrip antenna. IEEE Transactions on Antennas and Propagation, 61 (4). pp. 2304-2308. ISSN 0018-926X

Liu, Lei (2013) Investigation of Aperture Coupled Microstrip Antenna to Obtain a High Efficient Active Integrated Antenna by Using Class F and Inverse Class F Power Amplifiers. Doctoral thesis, University of Northumbria.

Nimbark, Vishal, Lu, Qing, Korolkiewicz, Edward and Liu, Lei (2012) Design of a three port feed matching network for a dual-band and dual-polarized rectangular patch antenna. In: SPCOM 2012: International Conference on Signal Processing and Communications 2012, 22-25 July 2012, Bangalore, India.

Liu, Lei, Korolkiewicz, Edward, Ghassemlooy, Zabih, Sambell, Alistair, Danaher, Sean and Lu, Qing (2012) Effect of losses in an active device and harmonic network on the efficiency of Class F and inverse Class F power amplifiers. In: EFEA 2012: 2nd International Symposium on Environment Friendly Energies and Applications, 25-27 July 2012, Northumbria University, Newcastle upon Tyne, UK.

Liu, Lei, Ghassemlooy, Zabih, Sambell, Alistair, Danaher, Sean, Lu, Qing and Korolkiewicz, Edward (2011) Investigation of transformers’ turn ratios and design procedure for an aperture coupled slot antenna. In: IET 'Active RF Devices, Circuits and Systems' Seminar, 12 September 2011, Belfast, Northern Ireland.

Lu, Qing, Liu, Lei, Danaher, Sean, Korolkiewicz, Edward, Ghassemlooy, Zabih and Sambell, Alistair (2011) Modelling of losses in load harmonic networks of high efficient class E power amplifier. In: IET 'Active RF Devices, Circuits and Systems' Seminar, 12 September 2011, Belfast, Northern Ireland.

Lu, Qing, Sambell, Alistair, Danaher, Sean, Korolkiewicz, Edward, Ghassemlooy, Zabih, Liu, Lei and Dehao, Wu (2010) The effect of the turn ‘On’ resistance of an active device and the Q factor of the load harmonic network on the efficiency and efficiency bandwidth of a class E amplifier. In: Proceedings of the 7th International Symposium on Communication Systems Networks and Digital Signal Processing (CSNDSP). IEEE, Piscataway, NJ, pp. 106-110. ISBN 978-1424488582

Liu, Lei, Lu, Qing, Wu, Dehao, Sambell, Alistair and Korolkiewicz, Edward (2010) Determination of the transformers turn ratios and design of a circular polarised cross slot coupled antenna. In: CSNDSP 2010: 7th International Symposium on Communication Systems, Networks and Digital Signal Processing, 21-23 July 2010, Northumbria University, Newcastle upon Tyne, UK.

Wu, Dehao, Korolkiewicz, Edward, Lu, Helen and Liu, Lei (2010) To design and model a Class F amplifier and investigate the effect of losses on the efficiency of dc to ac power conversion. In: CSNDSP 2010: 7th International Symposium on Communication Systems, Networks and Digital Signal Processing, 21-23 July 2010, Northumbria University, Newcastle upon Tyne, UK.