Search Results - "Shemar, S. L."

Evidence for free precession in a pulsar by Lyne, A. G, Stairs, I. H, Shemar, S. L

“…Pulsars are rotating neutron stars that produce lighthouse-like beams of radio emission from their magnetic poles. The observed pulse of emission enables their…”
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Statistical studies of pulsar glitches by Lyne, A. G., Shemar, S. L., Graham Smith, F.

“…Shemar & Lyne have previously presented observations and an analysis of 32 glitches and their subsequent relaxations observed in a total of 15 pulsars. These…”
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Observations of pulsar glitches by Shemar, S. L., Lyne, A. G.

“…279 pulsars have been regularly monitored in a timing programme at Jodrell Bank, with the aim of providing ephemerides for X-ray and gamma-ray observations and…”
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A planet orbiting the neutron star PSR1829-10 by Bailes, M, Lyne, A. G, Shemar, S. L

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A Planet Orbiting the Neutron Star PSR1829-10 by Bailes, M, Lyne, A G, Shemar, S L

“…The existence of the pulsar PSR1829-10 challenges conventional theories of the formation of neutron stars from supernova and has important implications for the…”
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Direct comparisons of European primary and secondary frequency standards via satellite techniques by Riedel, F, Al-Masoudi, A, Benkler, E, Dörscher, S, Gerginov, V, Grebing, C, Häfner, S, Huntemann, N, Lipphardt, B, Lisdat, C, Peik, E, Piester, D, Sanner, C, Tamm, C, Weyers, S, Denker, H, Timmen, L, Voigt, C, Calonico, D, Cerretto, G, Costanzo, G. A, Levi, F, Sesia, I, Achkar, J, Guèna, J, Abgrall, M, Rovera, D, Chupin, B, Shi, C, Bilicki, S, Bookjans, E, Lodewyck, J, Targat, R. Le, Delva, P, Bize, S, Baynes, F. N, Baynham, C. F. A, Bowden, W, Gill, P, Godun, R. M, Hill, I. R, Hobson, R, Jones, J. M, King, S. A, Nisbet-Jones, P. B. R, Rolland, A, Shemar, S. L, Whibberley, P. B, Margolis, H. S

“…We carried out a 26-day comparison of five simultaneously operated optical clocks and six atomic fountain clocks located at INRIM, LNE-SYRTE, NPL and PTB by…”
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Timing noise and glitches by Lyne, A. G., Pritchard, R. S., Shemar, S. L.

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The impact of tropospheric propagation on data fusion from multiple radars by Shukla, A.K., Fraser, D.J., Lockton, A., Chan, A.H.Y., Field, J.E.N., Shemar, S.L.

“…Data fusion from spatially separated radars is increasingly being considered within network centric warfare to mitigate complex threats. Propagation of signals…”
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Statistical studies of pulsar glitches by Lyne, A. G., Shemar, S. L., Graham Smith, F.

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International timescales with optical clocks (ITOC) by Margolis, H. S., Godun, R. M., Gill, P., Johnson, L. A. M., Shemar, S. L., Whibberley, P. B., Calonico, D., Levi, F., Lorini, L., Pizzocaro, M., Delva, P., Bize, S., Achkar, J., Denker, H., Timmen, L., Voigt, C., Falke, S., Piester, D., Lisdat, C., Sterr, U., Vogt, S., Weyers, S., Gersl, J., Lindvall, T., Merimaa, M.

“…A new collaborative European project "International timescales with optical clocks" (ITOC) aims to tackle the key challenges that must be addressed prior to a…”
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A Kalman filter UTC(k) prediction and steering algorithm by Davis, J. A., Shemar, S. L., Whibberley, P. B.

“…A clock prediction and steering algorithm has been developed to produce a UTC(k) timescale that may be maintained close to UTC. The algorithm is based on…”
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Preliminary results from NPL'S clock ensemble algorithm using hydrogen masers and caesium clocks by Shemar, S. L., Davis, J. A., Whibberley, P. B.

“…In recent years the National Physical Laboratory (NPL) has been developing a Kalman filter-based atomic clock ensemble algorithm. The algorithm is being used…”
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