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Author

  • Cathryn Mitchell
2011

A motion-compensated cone-beam CT using electrical impedance tomography imaging

Pengpan, T., Smith, N. D., Qiu, W., Yao, A., Mitchell, C. N. & Soleimani, M., Jan 2011, In : Physiological Measurement. 32, 1, p. 19-34

Research output: Contribution to journalArticle

6 Citations (Scopus)

Bipolar climatology of GPS ionospheric scintillation at solar minimum

Alfonsi, L., Spogli, L., De Franceschi, G., Romano, V., Aquino, M., Dodson, A. & Mitchell, C. N., 2011, In : Radio Science. 46, Rs0d05.

Research output: Contribution to journalArticle

83 Citations (Scopus)
4 Citations (Scopus)

GPS scintillation and TEC gradients at equatorial latitudes in April 2006

Alfonsi, L., Spogli, L., Tong, J. R., De Franceschi, G., Romano, V., Bourdillon, A., Huy, M. L. & Mitchell, C. N., 17 May 2011, In : Advances in Space Research. 47, 10, p. 1750-1757 8 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

GPS tomography in the polar cap: comparison with ionosondes and in situ spacecraft data

Pokhotelov, D., Jayachandran, P. T., Mitchell, C. N., MacDougall, J. W. & Denton, M. H., Jan 2011, In : GPS Solutions. 15, 1, p. 79-87 9 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Imaging of 3-D plasmaspheric electron density using GPS to LEO satellite differential phase observations

Spencer, P. S. J. & Mitchell, C. N., Jun 2011, In : Radio Science. 46, 3, 6 p., RS0D04.

Research output: Contribution to journalArticle

File
11 Citations (Scopus)
132 Downloads (Pure)

Isolating the multipath component in GNSS signal-to-noise data and locating reflecting objects

Benton, C. & Mitchell, C. N., 2011, In : Radio Science. 46, RS6002.

Research output: Contribution to journalArticle

File
23 Citations (Scopus)
144 Downloads (Pure)

Sensing the earth with the SGR-ReSI multi-antenna space GPS/GNSS receiver

Unwin, M., De Vos Van Steenwijk, R., Brenchley, M., Gommenginger, C., Mitchell, C. & Gao, S., 2011, In : Advances in the Astronautical Sciences. 141, p. 735-744 10 p.

Research output: Contribution to journalArticle

Statistical analysis of travelling ionospheric disturbances using TEC observations from geostationary satellites

Katamzi, Z. T., Smith, N. D., Mitchell, C. N., Spalla, P. & Materassi, M., Jan 2011, In : Journal of Atmospheric and Solar-Terrestrial Physics. 74, p. 64-80

Research output: Contribution to journalArticle

21 Citations (Scopus)

Testing the susceptibility of GNSS receivers to radio frequency interference

Tong, J. R., Watson, R. J. & Mitchell, C. N., 2011, Institute of Navigation - International Technical Meeting 2011, ITM 2011. Fairfax: Institute of Navigation, p. 384-388 5 p. (Institute of Navigation - International Technical Meeting 2011, ITM 2011).

Research output: Chapter in Book/Report/Conference proceedingChapter

The use of GLONASS data in ionospheric imaging over the Antarctic

Yin, P., Mitchell, C. N. & Kinrade, J., Aug 2011, 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011. Piscataway, NJ: IEEE, 4 p. 6050960

Research output: Chapter in Book/Report/Conference proceedingChapter

The use of ionospheric tomography and elevation masks to reduce the overall error in single-frequency GPS timing applications

Rose, J. A. R., Tong, J. R., Allain, D. J. & Mitchell, C. N., 15 Jan 2011, In : Advances in Space Research. 47, 2, p. 276-288 13 p.

Research output: Contribution to journalArticle

File
7 Citations (Scopus)
151 Downloads (Pure)

Tomographic imaging of the equatorial and low-latitude ionosphere over central-eastern Brazil

Muella, M., de Paula, E. R., Mitchell, C. N., Kintner, P. M., Paes, R. R. & Batista, I. S., 2011, In : Earth Planets and Space. 63, 2, p. 129-138 10 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2012

A 12 year comparison of MIDAS and IRI 2007 ionospheric Total Electron Content

Chartier, A. T., Mitchell, C. N. & Jackson, D. R., 1 May 2012, In : Advances in Space Research. 49, 9, p. 1348-1355 8 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
127 Downloads (Pure)

Analysis of diurnal double maxima observed above Italy during 1975–1991

Katamzi, Z. T., Smith, N. D., Mitchell, C. N. & Spalla, P., 1 Nov 2012, In : Journal of Atmospheric and Solar-Terrestrial Physics. 89, p. 67-75

Research output: Contribution to journalArticle

1 Citation (Scopus)

A study of L-band scintillations and total electron content at an equatorial station, Lagos, Nigeria

Adewale, A. O., Oyeyemi, E. O., Adeloye, A. B., Mitchell, C. N., Rose, J. A. R. & Cilliers, P. J., 7 Apr 2012, In : Radio Science. 47, RS2011, RS004846.

Research output: Contribution to journalArticle

Open Access
File
17 Citations (Scopus)
157 Downloads (Pure)

Dementia Diagnosis with Brain Scan Technology at University of Bath

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formDigital or Visual Products

Development of Low-Cost Spaceborne Multi-Frequency GNSS Receiver for Navigation and GNSS Remote Sensing

Unwin, M., Gao, S., de Vos van Steenwijk, R., Jales, P., Maqsood, M., Gommenginger, C., Rose, J., Mitchell, C. & Partington, K., 2012, In : International Journal of Space Science and Engineering.

Research output: Contribution to journalArticle

Global navigation satellite systems and the ionosphere

Mitchell, C. N., 2012, 12th IET International Conference on Ionospheric Radio Systems and Techniques (IRST 2012). IET, p. 46 1 p. (IET Conference Publications; vol. 2012, no. CP594).

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

GPS satellite oscillator faults mimicking ionospheric phase scintillation

Benton, C. & Mitchell, C., Oct 2012, In : GPS Solutions. 16, 4, p. 477-482 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Imaging technology transfer – helping to diagnose dementia

Mitchell, C. & Smith, N., 2012

Research output: Non-textual formWeb publication/site

Ionospheric scintillation over Antarctica during the storm of 5–6 April 2010

Kinrade, J., Mitchell, C. N., Yin, P., Smith, N., Jarvis, M. J., Maxfield, D. J., Rose, M. C., Bust, G. S. & Weatherwax, A. T., May 2012, In : Journal of Geophysical Research. 117, A5, A05304.

Research output: Contribution to journalArticle

File
36 Citations (Scopus)
125 Downloads (Pure)

New method for tracking the movement of ionospheric plasma

Benton, C. & Mitchell, C., 2012, In : Journal of Geophysical Research. 117, 9, A09317.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
137 Downloads (Pure)

Technology Transfer in Global Navigation Satellite Systems (GNSS): KTA070

Mitchell, C. N. & Rose, J. A. R., 2012

Research output: Non-textual formWeb publication/site

The use of ionosondes in GPS ionospheric tomography at low latitudes

Chartier, A. T., Smith, N. D., Mitchell, C. N., Jackson, D. R. & Patilongo, P. J. C., Oct 2012, In : Journal of Geophysical Research. 117, A10, A10326.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Towards adapting a normal patient database forSPECT brain perfusion imaging

Smith, N. D., Holmes, R. B., Soleimani, M., Evans, M. J., Cade, S. C. & Mitchell, C. N., Jun 2012, In : Inverse Problems. 28, 6, 17 p., 065001.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2013

A comparison of the effects of initializing different thermosphere- ionosphere model fields on storm time plasma density forecasts

Chartier, A. T., Jackson, D. R. & Mitchell, C. N., 1 Nov 2013, In : Journal of Geophysical Research: Space Physics. 118, 11, p. 7329-7337 9 p.

Research output: Contribution to journalArticle

Open Access
16 Citations (Scopus)
84 Downloads (Pure)

An interhemispheric comparison of GPS phase scintillation with auroral emission observed at the South Pole and from the DMSP satellite

Prikryl, P., Zhang, Y., Ebihara, Y., Ghoddousi-Fard, R., Jayachandran, P. T., Kinrade, J., Mitchell, C. N., Weatherwax, A. T., Bust, G., Cilliers, P. J., Spogli, L., Alfonsi, L., Romano, V., Ning, B., Li, G., Jarvis, M. J., Danskin, D. W., Spanswick, E., Donovan, E. & Terkildsen, M., 2013, In : Annals of Geophysics. 56, 2, p. R0216

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
50 Downloads (Pure)

Comparison of temporal fluctuations in the total electron conDtisecunsstions estimates from EISCAT and GPS along the same line of sight

Forte, B., Smith, N. D., Mitchell, C. N., Da Dalt, F., Panicciari, T., Chartier, A. T., Stevanovic, D., Vuckovic, M., Kinrade, J., Tong, J. R., Haggstrom, I. & Turunen, E., 23 Apr 2013, In : Annales Geophysicae. 31, p. 745-753

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
86 Downloads (Pure)

GPS phase scintillation associated with optical auroral emissions: First statistical results from the geographic South Pole

Kinrade, J., Mitchell, C. N., Smith, N. D., Ebihara, Y., Weatherwax, A. T. & Bust, G. S., May 2013, In : Journal of Geophysical Research: Space Physics. 118, 5, p. 2490-2502 13 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

GPS scintillations and total electron content climatology in the southern low, middle and high latitude regions

Spogli, L., Alfonsi, L., Cilliers, P. J., Correia, E., De Franceschi, G., Mitchell, C. N., Romano, V., Kinrade, J. & Cabrera, M. A., 2013, In : Annals of Geophysics. 56, 2

Research output: Contribution to journalArticle

17 Citations (Scopus)

Measuring GNSS ionospheric total electron content at Concordia, and application to L-band radiometers

Romano, V., Macelloni, G., Spogli, L., Brogioni, M., Marinaro, G. & Mitchell, C. N., 2013, In : Annals of Geophysics. 56, 2, R0219.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
40 Downloads (Pure)

Signatures of auroral structures on incoherent scatter radar observations simultaneous and aligned to gps tec and scintillation measurements

Forte, B., Smith, N., Mitchell, C., Da Dalt, F., Panicciari, T., Vuckovic, M., Kinrade, J., Haggstrom, I., Turunen, E., Alfonsi, L., De Franceschi, G., Romano, V. & Spogli, L., 2013, The International Beacon Satellite Symposium, Bath, 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Simulation of geosynchronous radar and atmospheric phase compensation constraints

Hobbs, S. E., Snapir, B., Corstanje, R., Mitchell, C., Forte, B., Holley, R., Whittaker, P., Graham, K. & Burren, R., 1 Dec 2013, IET International Radar Conference 2013. 617 CP ed. Vol. 2013. 0239

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)
2014

Experimentally Recorded Amplitude and Phase Scintillation through a Spirent Simulator

Pinto Jayawardena, T., Mohd Ali, A., Forte, B., Kinrade, J., Mitchell, C., Smith, S. & Walter, T., 2014, The Insitute of Navigation, ION GNSS+ 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Further observations of GPS satellite oscillator anomalies mimicking ionospheric phase scintillation

Benton, C. J. & Mitchell, C. N., Jul 2014, In : GPS Solutions. 18, 3, p. 387-391 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Implementation of a new ionospheric model (ANIMo) into a three-dimensional variational analysis (3D-Var) for imaging and forecasting purposes

Da Dalt, F., Benton, C. J., Panicciari, T., Smith, N. D. & Mitchell, C. N., Aug 2014, p. 1-4.

Research output: Contribution to conferenceOther

Improving ionospheric imaging via the incorporation of direct ionosonde observations into GPS tomography

Cooper, C., Chartier, A. T., Mitchell, C. & Jackson, D. R., 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. IEEE, p. 1-3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
4 Citations (Scopus)

Ionospheric corrections for GPS time transfer

Rose, J. A. R., Watson, R. J., Allain, D. J. & Mitchell, C. N., 20 Mar 2014, In : Radio Science. 49, 3, p. 196-206 11 p.

Research output: Contribution to journalArticle

Open Access
10 Citations (Scopus)

Ionospheric imaging in Africa

Chartier, A. T., Kinrade, J., Mitchell, C. N., Rose, J. A. R., Jackson, D. R., Cilliers, P., Habarulema, J-B., Katamzi, Z., McKinnell, L-A., Matamba, T., Opperman, B., Ssessanga, N., Giday, N. M., Tyalimpi, V., De Franceschi, G., Romano, V., Scotto, C., Notarpietro, R., Dovis, F., Avenant, E. & 11 others, Wonnacott, R., Oyeyemi, E., Mahrous, A., Tsidu, G. M., Lekamisy, H., Olwendo, J. O., Sibanda, P., Gogie, T. K., Rabiu, B., De Jong, K. & Adewale, A., 8 Jan 2014, In : Radio Science. 49, 1, p. 19-27 9 p.

Research output: Contribution to journalArticle

Open Access
8 Citations (Scopus)
81 Downloads (Pure)

Method to measure the Stokes parameters of GPS signals

Benton, C. J. & Mitchell, C. N., 1 Jan 2014, In : Radio Science. 49, 1, p. 7-18 12 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
38 Downloads (Pure)

Robust ionospheric tomography using sparse regularization

Panicciari, T., Smith, N. D., Da Dalt, F. & Mitchell, C. N., Aug 2014, p. 1-4.

Research output: Contribution to conferenceOther

System design for geosynchronous synthetic aperture radar missions

Hobbs, S., Mitchell, C., Forte, B., Holley, R., Snapir, B. & Whittaker, P., 8 May 2014, In : IEEE Transactions on Geoscience and Remote Sensing. 52, 12, p. 7750-7763 14 p.

Research output: Contribution to journalArticle

Open Access
File
96 Citations (Scopus)
206 Downloads (Pure)

The application of muon tomography to carbon storage monitoring

Thompson, L. F., Benton, C. J., Clark, S. J., Coleman, M. L., Gluyas, J. G., Kudryavtsev, V. A., Klinger, J. A., Mitchell, C. N., Pal, S., Paling, S. M., Spooner, N. J. C. & Telfer, S. J., 2014, p. 156-159. 4 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)

TOPCAT: A space-borne dual-Frequency GPS receiver for topside ionosphere and plasmasphere computer assisted tomography

Jayawardena, T. P., Mitchell, C., Watson, R. J., Rose, J. R., Coleman, C. J. & Jessop, M., 2014, 27th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2014: Volume 2. Institute of Navigation, p. 1492-1498 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Why we’re preparing weather forecasts … in space

Mitchell, C., 9 Oct 2014, The Conversation.

Research output: Contribution to specialist publicationArticle

Open Access
2015

GPS phase scintillation at high latitudes during geomagnetic storms of 7-17 March 2012 - Part 2: Interhemispheric comparison

Prikryl, P., Ghoddousi-Fard, R., Spogli, L., Mitchell, C. N., Li, G., Ning, B., Cilliers, P. J., Sreeja, V., Aquino, M., Terkildsen, M., Jayachandran, P. T., Jiao, Y., Morton, Y. T., Ruohoniemi, J. M., Thomas, E. G., Zhang, Y., Weatherwax, A. T., Alfonsi, L., De Franceschi, G. & Romano, V., 2 Jun 2015, In : Annales Geophysicae. 33, 6, p. 657-670 14 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

Using sparse regularization for multi-resolution tomography of the ionosphere

Panicciari, T., Smith, N. D., Mitchell, C. N., Da Dalt, F. & Spencer, P. S. J., 2015, In : Nonlinear Processes in Geophysics. 22, 5, p. 613-624 12 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2016
Open Access
File
110 Downloads (Pure)