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of 13
pro vyhledávání: '"Dirk Klugmann"'
Autor:
Bahaa Al-Juboori, Jiafeng Zhou, Yi Huang, Muaad Hussein, Ahmed Alieldin, William J. Otter, Dirk Klugmann, Stepan Lucyszyn
Publikováno v:
IEEE Access, Vol 7, Pp 2624-2632 (2019)
This paper presents a comprehensive study of a groove gap waveguide (also known as a waffle-iron) bandpass filter at Ka-band (26.5-40 GHz), fabricated using a high resolution polymer jetting (Polyjet) 3-D printing technology. The same filter was prev
Externí odkaz:
https://doaj.org/article/3b2e68628c134472a172f28577955756
Autor:
Dirk Klugmann, Jiafeng Zhou, Yi Huang, Bahaa Al-Juboori, Muaad Hussein, Ahmed Alieldin, William J. Otter, Stepan Lucyszyn
Publikováno v:
IEEE Access, Vol 7, Pp 2624-2632 (2019)
IEEE Access
IEEE ACCESS
IEEE Access
IEEE ACCESS
This paper presents a comprehensive study of a groove gap waveguide (also known as a waffle-iron) bandpass filter at Ka-band (26.5-40 GHz), fabricated using a high resolution polymer jetting (Polyjet) 3-D printing technology. The same filter was prev
Publikováno v:
IGARSS
The application of digital signal generation for a Radar Wind Profiler (RWP) utilising Frequency Modulated Continuous Wave (FMCW) operation is described, and the progress of the design to Technology Readiness Level 3 (TRL 3) is demonstrated. The tech
Autor:
M. Beardsley, Dirk Klugmann, O. Auriacombe, J. Hampton, B. P. Moyna, D. Alves, H. Wang, M. Trasatti, P. Piironen, B. Davis, D. Cuadrado-Calle, A. Kilian, P. Hunyor, D. Gerber, N. Brewster, G. Burton, Ville Kangas, R. Hammett, K. Parow-Souchon, A. Shepperd, Brian Ellison, M. Phillips, A. Marshall, T. Almond, M. Philipp, B. Rackauskas, A. Obeed, C. Howe, W. Robins, S. Rea, Michael Brandt, T. Stangier, M. L. G. Oldfield, A. Cullum, G. Sonnabend, M. Henry, M. Merritt, E. Johnson, B. Thomas, P. Campbell, F. Aparicio, P. Norbury
Publikováno v:
2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science.
RAL Space has delivered four engineering qualification model (EQM) front-end receivers (FERXs) for the Microwave Sounder (MWS) and Microwave Imager (MWI) on-board the MetOp Second Generation (MetOp-SG) satellites. This mission will provide the Europe
Autor:
Dirk Klugmann
Publikováno v:
IGARSS
Currently the only operational ground based remote sensing systems for observing cloud properties are Ceilometers. These provide limited information and suffer from severe shortcomings in their capabilities under adverse weather conditions.(/p)(/p)Do
Autor:
Matthew Surridge, Dirk Klugmann
Publikováno v:
IGARSS
Millimetre wave radar, preferrably with Doppler capability, is applied in atmospheric remote sensing since decades. The first systems were based on vacuum tube technology and used the pulsed Doppler operation mode. Due to the high manufacturing and o
Autor:
Barry J. Davis, Dirk Klugmann, Brian Ellison, Kai Parow-Souchon, David V. Smith, Byron Alderman
Publikováno v:
2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT).
STFC / RAL Space has been involved in the development of an extensive variety of satellite mission payloads operating across a wide range of the electromagnetic spectrum. The RAL Space Millimetre-wave Technology Group (MMTG) has undertaken the develo
Autor:
Dirk Klugmann
Publikováno v:
IGARSS
Frequency modulated continuous wave (FMCW) radar, optionally with Doppler capability, is applied in atmospheric remote sensing since decades. The method is well understood and documented in its original theoretical analogue representation, as are its
Publikováno v:
IGARSS
An approach for re-designing and adding Doppler capability to the STFC RAL 94 GHz Radar Cloud Profiler based on solid state components is described. The current design is shown, and the approach to the re-design is laid out. Following that, the antic
Autor:
Dirk Klugmann
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 18:56-76
The evaluation of backscatter spectra of clouds and precipitation measured with Doppler radar profilers allows the retrieval of a number of important atmospheric parameters. This retrieval leads to inaccurate results if vertical wind parameters are n