نتایج جستجو برای: threshold shift
تعداد نتایج: 255776 فیلتر نتایج به سال:
We present experimental evidence showing that the period of the rippled surface structure induced on germanium by 1.06-microm laser pulses undergoes a discontinuous shift above a certain threshold intensity. The measured shift, as a angle of incidence of the damaging beam, is quantitatively interpreted as a transition between a regime of inhomogeneous melting controlled by radiation-remnant fie...
We study global dynamics for the focusing nonlinear Klein-Gordon equation with the energy-critical nonlinearity in two or higher dimensions when the energy equals the threshold given by the ground state of a mass-shifted equation, and prove that the solutions are divided into scattering and blowup. In short, the Kenig-Merle scattering/blowup dichotomy [10, 11] extends to the threshold energy in...
Complete experimental characterization of stimulated Brillouin scattering in photonic crystal fiber.
We provide a complete experimental characterization of stimulated Brillouin scattering in a 160 m long solid-core photonic crystal fiber, including threshold and spectrum measurements as well as position-resolved mapping of the Brillouin frequency shift. In particular, a three-fold increase of the Brillouin threshold power is observed, in excellent agreement with the spectrally-broadened Brillo...
The mfluence of optical radlatlon on the MOSFET threshold voltage has been mvestlgated theoretically as well as experimentally For conventlonal MOSFETs the influence 1s neghglble, but for open-gate FET-based sensors, such as the ISFET, optIcal radiation can cause a considerable threshold voltage shift An explanation of the threshold voltage shrft due to lllummatlon 1s given, based on the analys...
Abstract In this paper, we propose a new method for kernel based object tracking which tracks the complete non rigid object. Definition the union image blob and mapping it to a new representation which we named as potential pixels matrix are the main part of tracking algorithm. The union image blob is constructed by expanding the previous object region based on the histogram feature. The pote...
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