المصدر: Telecommunications Reports. 6/14/2024, Vol. 90 Issue 11, p20-20. 1p.

مصطلحات موضوعية: *CONFERENCES & conventions, RADIO frequency allocation, RADIO wave propagation, RADIO frequency

المؤلفون: BROWNE, JACK

المصدر: Microwaves & RF. Mar2018, Vol. 57 Issue 3, p34-37. 4p. 3 Color Photographs.

مصطلحات موضوعية: *ELECTROMAGNETIC waves, *RADIO wave propagation, *RADIO frequency, *MICROWAVES, *ANTENNAS (Electronics), *MILLIMETER waves

المؤلفون: Capano, Daniel E.

المصدر: Control Engineering. Sep2018, Vol. 65 Issue 9, p31-32. 2p.

مصطلحات موضوعية: *WIRELESS communications, RADIO wave propagation, RADIO frequency, RADIO transmitters & transmission, SIGNAL processing

المؤلفون: Elmore, Green¹ glennelmore@corridor.biz

المصدر: Microwaves & RF. Jul2009, Vol. 48 Issue 7, p62-69. 6p. 1 Color Photograph, 1 Diagram, 2 Charts, 2 Graphs.

مصطلحات موضوعية: *RADIO wave propagation, *ELECTROMAGNETIC waves, *MICROWAVE transmission lines, *ELECTRIC lines, *RADIO frequency

المصدر: Microwaves & RF. Jan2009, Vol. 48 Issue 1, p54-54. 2/3p.

مصطلحات موضوعية: *RADIO frequency, *RADIO wave propagation, *LIGHTNING, *IONOSPHERE, *ELECTRIC waves

People: DOWDEN, Richard, LAY, Erin, THOMSON, Neil

المؤلفون: Drucker, Elliott edrucker@drucker-associates.com

المصدر: Wireless Week. Dec2011, Vol. 18 Issue 5, p24-24. 1p.

مصطلحات موضوعية: *MOBILE communication systems, *WIRELESS communications, ORTHOGONAL frequency division multiplexing, RADIO wave propagation, RADIO frequency

المؤلفون: Adamy, Dave dave@lynxpub.com

المصدر: Journal of Electronic Defense. Sep2007, Vol. 30 Issue 9, p48-49. 2p.

مصطلحات موضوعية: *RADIO frequency, *RADIO wave diffraction, *RADIO wave propagation, *MILITARY communications, *MOUNTAINS