Results 91 to 100 of about 712,543 (297)
Identification of Parametric Underspread Linear Systems and Super-Resolution Radar
, 2010 Identification of time-varying linear systems, which introduce both time-shifts (delays) and frequency-shifts (Doppler-shifts), is a central task in many engineering applications.
Kfir Gedalyahu +3 more
core +4 more sources
Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots
Advanced Robotics Research, EarlyView.This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou +4 more
wiley +1 more source
Use of ultrasonography for fetal circulation assessment in canine pregnancy: A review [PDF]
Revista Brasileira de Saúde e Produção AnimalThis literature review discusses advances in gestational ultrasound in bitches, focusing on the use of Doppler technology for maternal-fetal hemodynamic assessment.
Maíra Planzo Fernandes +4 more
doaj +1 more source
Advanced Robotics Research, EarlyView.A flexible, skin‐integrated electromagnetic actuator is developed for wearable virtual/augmented reality (VR/AR) haptic systems. A tunable design model enables control over displacement and resonance frequency. The system is validated through a custom VR application with a 6 × 4 actuator array, demonstrating real‐time, spatially targeted tactile ...
Naji Tarabay +9 more
wiley +1 more source
Solving the inverse magnetostatic problem using fictitious magnetic charges
AIP Advances, 2018 We present a method for solving the inverse magnetostatic problem using fictitious magnetic charges. The method utilizes the fact that a given magnetic stray field is generated by only one unique charge distribution.
Gregor Wautischer +5 more
doaj +1 more source
A Soft Robotic Model for Simulating Heart Valve Disease and Cardiac Interventions
Advanced Science, EarlyView.This paper introduces a fully synthetic fabrication methodology for a soft robotic, in‐vitro model of the left‐heart, complete with a functioning mitral valve apparatus. With a view towards patient‐specific modeling, we demonstrate physiological flow and pressure waveforms, tunable mitral valve function with clinical imaging compatibility, and its use ...
James Davies +14 more
wiley +1 more source
A comprehensive radial velocity error budget for next generation Doppler spectrometers
, 2016 We describe a detailed radial velocity error budget for the NASA-NSF Extreme Precision Doppler Spectrometer instrument concept NEID (NN-explore Exoplanet Investigations with Doppler spectroscopy).
Bender, Chad +16 more
core +1 more source
Advanced Science, EarlyView.Endothelial GPR68 is identified as a critical regulator of collateral artery growth in peripheral artery disease. Genetic and pharmacological evidence demonstrates that GPR68 integrates hemodynamic cues to drive monocyte recruitment and inflammatory remodeling, thereby promoting collateral arteriogenesis and tissue perfusion after ischemia ...
Yiyan Song +12 more
wiley +1 more source
A new technique for monitoring the water vapor in the atmosphere [PDF]
, 1984 In the correction of satellite Doppler data for tropospheric effects the precipitable water vapor (PWV) is inferred at the tracking site. The technique depends on: (1) an ephemeris for the satellite; (2) an analytic model for the refraction range effect ...
Black, H. D., Eisner, A.
core +1 more source
Minimally destructive, Doppler measurement of a quantized, superfluid flow
, 2016 The Doppler effect, the shift in the frequency of sound due to motion, is present in both classical gases and quantum superfluids. Here, we perform an in-situ, minimally destructive measurement, of the persistent current in a ring-shaped, superfluid Bose-
Anderson, N. +5 more
core +1 more source