Results 31 to 40 of about 5,896,742 (292)

A High-Spin Rate Measurement Method for Projectiles Using a Magnetoresistive Sensor Based on Time-Frequency Domain Analysis

open access: yesSensors, 2016
Traditional artillery guidance can significantly improve the attack accuracy and overall combat efficiency of projectiles, which makes it more adaptable to the information warfare of the future. Obviously, the accurate measurement of artillery spin rate,
Jianyu Shang   +3 more
doaj   +1 more source

Prediction of Service Performance Based on Physical Strength in Elite Junior Tennis Players

open access: yesFrontiers in Psychology, 2022
In tennis, service requires a variety of complicated movements. Given the importance of taking the initiative to obtain points in a tennis match, it is crucial to make full use of speed and spin rate of service.
Nahoko Koya   +2 more
doaj   +1 more source

Rate distortion theorem and the multicritical point of a spin glass [PDF]

open access: yesPhysical Review E, 2020
A spin system can be thought of as an information coding system that transfers information of the interaction configuration into information of the equilibrium state of the spin variables. Hence it can be expected that the relations between the interaction configuration and equilibrium states are consistent with the known laws of information theory. We
Tatsuto Murayama   +2 more
openaire   +4 more sources

SPINS OF LARGE ASTEROIDS: A HINT OF A PRIMORDIAL DISTRIBUTION IN THEIR SPIN RATES [PDF]

open access: yesThe Astronomical Journal, 2015
The Asteroid Belt and the Kuiper Belt are relics from the formation of our solar system. Understanding the size and spin distribution of the two belts is crucial for a deeper understanding of the formation of our solar system and the dynamical processes that govern it.
Elad Steinberg, Re’em Sari
openaire   +1 more source

Sabot Discard Characteristics under Different Spin Rates of the Rifled Barrel Launching APFSDS

open access: yesShock and Vibration, 2021
The sabot discard asymmetry caused by spinning affects the exterior ballistic characteristics and shooting accuracy of a gun with the rifled barrel.
Chengqing Zhang   +3 more
doaj   +1 more source

Spin transport of excitons [PDF]

open access: yes, 2009
We report on observation of the spin transport of spatially indirect excitons in GaAs/AlGaAs coupled quantum wells (CQW). Exciton spin transport over substantial distances, up to several micrometers in the present work, is achieved due to orders of ...
Butov, L.V.   +10 more
core   +1 more source

Accumulation and control of spin waves in magnonic dielectric microresonators by a comb of ultrashort laser pulses

open access: yesScientific Reports, 2022
Spin waves in magnetic microresonators are at the core of modern magnonics. Here we demonstrate a new method of tunable excitation of different spin wave modes in magnetic microdisks by using a train of laser pulses coming at a repetition rate higher ...
A. E. Khramova   +9 more
doaj   +1 more source

Effects of Some Parameters on Thermal Control of a LEO Satellite [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2014
Satellite thermal control ensures safe operating temperature ranges for satellite components throughout the mission life. Effects of altitude, spin, and position of satellite radiator(s) on the thermal control of a small Low Earth Orbit (LEO) satellite ...
F. Farhani, A. Anvari
doaj  

How baseball spin influences the performance of a pitcher

open access: yesJournal of Physical Fitness and Sports Medicine, 2013
In the present review, we include a series of recent experiments in order to update and summarize the characteristics of ball spin in baseball pitching.
Tomoyuki Nagami   +2 more
doaj   +1 more source

Au4V – Moment Stability and Spin Fluctuations in the Ordered Phase [PDF]

open access: yes, 2012
Although neither gold nor vanadium generally possess a magnetic moment, the intermetallic compound Au4V is found to be ferromagnetic below 42K. In this paper we report the results of a muon spin relaxation study of the itinerant electron moment ...
Kilcoyne, Susan H.   +8 more
core   +1 more source

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