Results 51 to 60 of about 33,517,134 (252)
IEEE Open Journal of Antennas and PropagationThe growing prevalence of IoT devices has heightened the focus on minimizing energy consumption in low-power electronic systems. Ambient radio frequency (RF) energy harvesting allows self-sustaining electronic devices to operate in IoT networks without ...
Khatereh Nadali +3 more
doaj +1 more source
Combined high vacuum/high frequency fatigue tester [PDF]
, 1971 Apparatus permits application of significantly greater number of cycles or equivalent number of cycles in shorter time than conventional fatigue test machines.
Honeycutt, C. R., Martin, T. F.
core +1 more source
MOBILE MAPPING BY FMCW SYNTHETIC APERTURE RADAR OPERATING AT 300 GHZ [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 While optical cameras or laser systems are widely used for mobile mapping low attention was payed for radar systems. Due to new semiconductor technologies, compact and leight weight SAR systems based on the Frequency Modulated Continuous Wave (FMCW ...
S. Palm +5 more
doaj +1 more source
Localization of the Epileptogenic Zone Using High Frequency Oscillations
Frontiers in Neurology, 2019 For patients with drug-resistant focal epilepsy, surgery is the therapy of choice in order to achieve seizure freedom. Epilepsy surgery foremost requires the identification of the epileptogenic zone (EZ), defined as the brain area indispensable for ...
Aljoscha Thomschewski +2 more
semanticscholar +1 more source
Crystals, 2023 Adsorption of gas molecules on the surface of two-dimensional (2D) molybdenum disulfide (MoS2) can significantly affect its carrier transport properties. In this letter, we investigated the effect of a vacuum environment on the electrical properties of a
Jichao Li +5 more
doaj +1 more source
High frequency sources of gravitational waves
, 2003 Sources of high frequency gravitational waves are reviewed. Gravitational collapse, rotational instabilities and oscillations of the remnant compact objects are potentially important sources of gravitational waves.
Andersson +21 more
core +2 more sources
Effect of SiO2 capping layer on the ferroelectricity of Hf0.5Zr0.5O2 films
AIP Advances, 2020 In this paper, SiO2 capping layers were introduced to improve the ferroelectric properties of Hf0.5Zr0.5O2 (HZO) thin films. HZO thin films with the SiO2 capping layers exhibit excellent ferroelectric characteristics.
Minglong Zhai +4 more
doaj +1 more source
Extended Kalman Doppler tracking and model determination for multi-sensor short-range radar [PDF]
Advances in Radio Science, 2016 A tracking solution for collision avoidance in industrial machine tools based on short-range millimeter-wave radar Doppler observations is presented. At the core of the tracking algorithm there is an Extended Kalman Filter (EKF) that provides dynamic ...
T. J. Mittermaier +3 more
doaj +1 more source
The Global High Frequency Radar Network
Frontiers in Marine Science, 2019 Academic, government, and private organizations from around the globe have established High Frequency radar (hereinafter, HFR) networks at regional or national levels.
H. Roarty +31 more
semanticscholar +1 more source
Analysis of Binarized High Frequency Financial Data [PDF]
, 2005 A non-trivial probability structure is evident in the binary data extracted from the up/down price movements of very high frequency data such as tick-by-tick data for USD/JPY.
Sazuka, Naoya
core +2 more sources