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Objective: Establish suitable frequency spacing and demodulation steps to use when extracting impedance changes from frequency division multiplexed (FDM) carrier signals in peripheral nerve. Approach: Experiments were performed in-vitro on cadavers i
Externí odkaz:
http://arxiv.org/abs/1901.02068
Publikováno v:
Hope, J., Braeuer, B., Amirapu, S., McDaid, A., & Vanholsbeeck, F. (2018). Extracting morphometric information from rat sciatic nerve using optical coherence tomography. Journal of biomedical optics, 23 (11), 1-14
We apply three optical coherence tomography (OCT) image analysis techniques to extract morphometric information from OCT images obtained on peripheral nerves of rat. The accuracy of each technique is evaluated against histological measurements accura
Externí odkaz:
http://arxiv.org/abs/1804.11054
Publikováno v:
Hope, J., Vanholsbeeck, F., & McDaid, A. (2018). Drive and measurement electrode patterns for electrode impedance tomography (EIT) imaging of neural activity in peripheral nerve. Biomedical Physics and Engineering Express, 4 (6)
Objective: To establish the performance of several drive and measurement patterns in EIT imaging of neural activity in peripheral nerve, which involves large impedance change in the nerve's anisotropic length axis. Approach: Eight drive and measureme
Externí odkaz:
http://arxiv.org/abs/1804.05994
Publikováno v:
Hope, J., Vanholsbeeck, F., McDaid, A., A model of electrical impedance tomography implemented in nerve-cuff for neural-prosthetics control. Physiological Measurement, 2018
Objective: A model is presented to evaluate the viability of using electrical impedance tomography (EIT) with a nerve cuff to record neural activity in peripheral nerves. Approach: Established modelling approaches in neural-EIT are expanded on to be
Externí odkaz:
http://arxiv.org/abs/1711.04377
Autor:
Hope, J. A., Malarkey, J., Baas, J. H., Peakall, J., Parsons, D. R., Manning, A. J., Bass, S. J., Lichtman, I. D., Thorne, P. D., Ye, L., Paterson, D. M.
Publikováno v:
Limnology and Oceanography, 2020 Oct 01. 65(10), 2403-2419.
Externí odkaz:
https://www.jstor.org/stable/27000454
Publikováno v:
Phys. Rev. A 93, 042342 (2016)
Fast entangling gates have been proposed for trapped ions that are orders of magnitude faster than current implementations. We present here a detailed analysis of the challenges involved in performing a successful fast gate. We show that the RWA is a
Externí odkaz:
http://arxiv.org/abs/1601.03110
Autor:
Taylor, R. L., Bentley, C. D. B., Pedernales, J. S., Lamata, L., Solano, E., Carvalho, A. R. R., Hope, J. J.
Publikováno v:
Scientific Reports 7, 46197 (2017)
Large-scale digital quantum simulations require thousands of fundamental entangling gates to construct the simulated dynamics. Despite success in a variety of small-scale simulations, quantum information processing platforms have hitherto failed to d
Externí odkaz:
http://arxiv.org/abs/1601.00359
Autor:
Wigley, P. B., Everitt, P. J., Hengel, A. van den, Bastian, J. W., Sooriyabandara, M. A., McDonald, G. D., Hardman, K. S., Quinlivan, C. D., Manju, P., Kuhn, C. C. N., Petersen, I. R., Luiten, A., Hope, J. J., Robins, N. P., Hush, M. R.
Machine-designed control of complex devices or experiments can discover strategies superior to those developed via simplified models. We describe an online optimization algorithm based on Gaussian processes and apply it to optimization of the product
Externí odkaz:
http://arxiv.org/abs/1507.04964
Publikováno v:
2015 New J. Phys. 17 103025
Fast entangling gates for trapped ions offer vastly improved gate operation times relative to implemented gates, as well as approaches to trap scaling. Gates on neighbouring ions only involve local ions when performed sufficiently fast, and we find t
Externí odkaz:
http://arxiv.org/abs/1507.02783