Results 11 to 20 of about 1,520,699 (256)

Biological effects of exposure to 2650 MHz electromagnetic radiation on the behavior, learning, and memory of mice [PDF]

open access: yesBrain and Behavior, 2023
Background With the development of communication technology, the public is paying increasing attention to whether electromagnetic radiation is harmful to health.
Rongqi Zheng   +7 more
doaj   +2 more sources

The latest process and challenges of microwave dielectric ceramics based on pseudo phase diagrams

open access: yesJournal of Advanced Ceramics, 2021
The explosive process of 5G communication evokes the urgent demand of miniaturized and integrated dielectric ceramics filter. It is a pressing need to advance the development of dielectric ceramics utilization of emerging technology to design new ...
Hongcheng Yang   +7 more
doaj   +1 more source

Radiation characteristics of corner reflector antennas. [PDF]

open access: yes, 1998
PhDThis thesis presents a study of the radiation characteristics of corner reflector antennas. The influence of the design parameters on the radiation characteristics are assessed using an analytical method and the Finite Difference Time Domain (FDTD)
Sterr, U.
core   +4 more sources

Noise Analysis in Pre-Amplifier Circuits Associated to Highly Sensitive Optically-Pumped Magnetometers for Geomagnetic Applications

open access: yesApplied Sciences, 2020
This paper analyzes the noise sources in photoelectric detection circuits with several low-noise operational amplifiers cores. The fabricated circuits are low-noise pre-amplifiers that are used for optically pumped magnetometers. In the proposed circuits,
Leisong Liu   +4 more
doaj   +1 more source

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter [PDF]

open access: yes, 2009
This is the Pre-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2010 IOPEnsuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the ...
V. J. Smith   +999 more
core   +1 more source

Investigation on Time Domain Coded Electromagnetic Exploration Method

open access: yesLeida xuebao, 2014
To suppress airwave interference, a time-domain coded electromagnetic exploration method is proposed with Pseudo-Random Binary Sequences (PRBS) code as the source signal.
Zhang Jian-guo   +4 more
doaj   +1 more source

Ionizing and non-ionizing radiation and the risk of childhood cancer-illustrated with domestic radon and radio frequency electromagnetic field exposure [PDF]

open access: yes, 2013
Background Children are exposed to many different environmental factors, including exposure to low-dose ionizing radiation and to non-ionizing radiation.
Hauri, Dimitri
core   +1 more source

Design of a Handheld Pseudo Random Coded UWB Radar for Human Sensing

open access: yesLeida xuebao, 2015
This paper presents the design of a handheld pseudo random coded Ultra-WideBand (UWB) radar for human sensing. The main tasks of the radar are to track the moving human object and extract the human respiratory frequency.
Xia Zheng-huan   +6 more
doaj   +1 more source

Vacuum phototriodes for the CMS electromagnetic calorimeter endcap [PDF]

open access: yes, 2004
The measurement of scintillation light from the lead tungstate crystals of the Compact Muon Solenoid (CMS) electromagnetic calorimeter (ECAL) poses a substantial technical challenge, particularly in the endcap regions, where the radiation levels are ...
Flower, PS   +19 more
core   +1 more source

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