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IEEE Transactions on Microwave Theory and Techniques, 1992
The application of the holography technique to the newly constructed NASA/JPL Deep Space Network (DSN) 34-m beam-waveguide antenna, resulting in 4.1-dB performance improvement at 32 GHz by reducing the main reflector RMS surface error at 0.43 mm, is described.
D.J. Rochblatt, B.L. Seidel
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The application of the holography technique to the newly constructed NASA/JPL Deep Space Network (DSN) 34-m beam-waveguide antenna, resulting in 4.1-dB performance improvement at 32 GHz by reducing the main reflector RMS surface error at 0.43 mm, is described.
D.J. Rochblatt, B.L. Seidel
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Large antennas and microwave antennas
2005Large antennas and microwave antennas, which form the subject of the remaining chapters of this book, are characterized by the property that their useful dimensions are very large compared with the wavelength involved. The word ‘large’ refers to the physical dimensions of the antenna (radio telescopes, for example) compared with which the wavelengths ...
S. Drabowitch +4 more
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Microwave Antennas and Dielectric Surfaces
Journal of Applied Physics, 1949For a plane dielectric sheet near a receiving antenna the power varies sinusoidally with distance, having a half-wave period and an average proportional to the transmission coefficient. This is explained by assuming an equivalent antenna reflection, an assumption checked by special experiments.
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16th European Microwave Conference, 1986, 1986
Recent microwave antenna technologies which are developed in Japan are reviewed. Main antennas which are practically used in various fields are described. The trends of antenna research works are also shown.
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Recent microwave antenna technologies which are developed in Japan are reviewed. Main antennas which are practically used in various fields are described. The trends of antenna research works are also shown.
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Microwave Antenna Measurements
Proceedings of the IRE, 1947A description is given of the techniques involved in measuring the properties of microwave antennas. The measuring methods which are peculiar to these frequencies are discussed, and include the measurement of gain, beam width, minor lobes, wideangle radiation, mutual coupling between antennas, phase, and polarization.
C.C. Cutler, A.P. King, W.E. Kock
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Development of Microwave Antennas for Thermal Therapy
Current Pharmaceutical Design, 2011There are several different ways for cancer treatment including operation, radiation therapy, chemotherapy, gene therapy, immunotherapy, ablation and hyperthermia. Techniques utilizing temperature elevation over the tumor region are usually called as thermal therapies.
Koichi, Ito, Kazuyuki, Saito
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An implantable microwave antenna for interstitial hyperthermia
Proceedings of the IEEE, 1987This letter presents a new microwave antenna design with greatly enhanced heating at the tip for interstitial hyperthermia. Temperature distribution patterns surrounding the new balun-fed folded dipole antenna are measured in a saline phantom under transient and steady-state conditions.
James C. Lin, Yu-Jin Wang
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EBG Antenna for Microwave Links Applications
2006 2nd International Conference on Information & Communication Technologies, 2006In this paper we propose an EBG antenna which presents a good candidate for microwave links systems and more specifically for point to point and the point to multipoint applications required directives antennas with a high gain. The design of the antenna is consisting of a waveguide-fed slot antenna on which we add a one dimension EBG resonator ...
Alkhatib, Rami, Drissi, M'Hamed
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Microwave Omnidirectional Antennas
Proceedings of the IRE, 1947This paper describes briefly a number of radiating elements which have proved useful in the design of high- and low-gain omnidirectional antennas at wavelengths of 3 and 10 centimeters.
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Calibration of microwave antenna gain standards
Proceedings of the IEEE, 1986Techniques for precision calibration of microwave antenna gain standards are described with discussions of applicability and associated uncertainties. Included are the three-antenna, extrapolation, swept-frequency, and near-field techniques.
Allen C. Newell +2 more
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