Results 271 to 280 of about 216,585 (318)

Power beacon-assisted energy harvesting symbiotic radio networks: Outage performance. [PDF]

PLoS One
Hung TC, Minh BV, Nguyen TN, Voznak M.
europepmc   +1 more source

Study on the Attribute Characteristics of Road Cracks Detected by Ground-Penetrating Radar. [PDF]

Sensors (Basel)
Guo S, Yu M, Xu Z, Yue G, Cai W, Tian P.
europepmc   +1 more source

Emerging Topics in Joint Radio-Based Positioning, Sensing, and Communications. [PDF]

Sensors (Basel)
Lohan ES.
europepmc   +1 more source

Photonic Generation of Arbitrary Microwave Waveforms with Anti-Dispersion Transmission Capability. [PDF]

Micromachines (Basel)
Zhang X, Zhai K, Zhu S, Wen H, Liu Y, Zhu N.   +5 more
europepmc   +1 more source

Prospective comparative clinical trials of novel non-invasive intracranial pressure pulse wave monitoring technologies: preliminary clinical data. [PDF]

Interface Focus
Putnynaite V, Chaleckas E, Deimantavicius M, Bartusis L, Hamarat Y, Petkus V, Karaliunas A, Ragauskas A.   +7 more
europepmc   +1 more source

Non-invasive Gamma Brain Wave Optimization (BWO-G) for Cognitive and Emotional Recovery in an Adolescent: A Case Study on Radio Electric Asymmetric Conveyer (REAC) Neuro Psycho Physical Optimization (NPPO) BWO-G Treatment. [PDF]

Cureus
Modesto' V, Rinaldi A, Fontani V, Rinaldi S.   +3 more
europepmc   +1 more source

A photonic crystal receiver for Rydberg atom-based sensing. [PDF]

Commun Eng
Amarloo H, Noaman M, Yu SP, Booth D, Mirzaee S, Pandiyan R, Christaller F, Shaffer JP.   +7 more
europepmc   +1 more source

radio waves propagation

, 2019
openaire   +1 more source

Some of the next articles are maybe not open access.

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New-Wave Radio

IEEE Microwave Magazine, 2008
Radio communications in the past century have relied primarily on nonlinear devices to modulate and demodulate signals for wireless transmissions. This article reviews initial laboratory results obtained with new radios using linear interferometers to modulate and demodulate ultra-wide-band (UWB) signals.
Bosisio R. G., Zhao Y. Y., Xu X. Y., Abielmona S., Moldovan E., Xu Y. S., BOZZI, MAURIZIO, Tatu S. O., Nerguizian C., Frigon J. F., Caloz C., Wu K.   +11 more
openaire   +4 more sources

Looking for radio waves with a simple radio wave detector

The Physics Teacher, 2011
I created a simple device that can detect radio waves in a classroom. In physics classes I tell students that we live in a sea of radio waves. They come from TV, radio, and cell phone signals as well as other sources. Students don't realize this because those electromagnetic waves are invisible.
openaire   +2 more sources