搜索结果: 1-15 共查到“物理学 position”相关记录36条 . 查询时间(0.156 秒)
A FRAMEWORK FOR POSITION UNCERTAINTY OF UNORGANISED THREE-DIMENSIONAL POINT CLOUDS FROM NEAR-MONOSTATIC LASER SCANNERS USING COVARIANCE ANALYSIS
Position uncertainty Three-dimensional Point Cloud Laser Scanning
2015/8/13
Position uncertainty is one of the most important quantities of an unorganised three-dimensional point clouds since it
provides the confidence level of any parametric estimation such as surface...
Effect of Position-dependent Mass on Dynamical Breaking of Type B and Type X_2 N-fold Supersymmetry
N-fold supersymmetry Position-dependent mass Dynamical symmetry breaking Quasisolvability Exceptional orthogonal polynomials
2012/4/23
We investigate effect of position-dependent mass profiles on dynamical breaking of N-fold supersymmetry in several type B and type X_2 models. We find that N-fold supersymmetry in rational potentials ...
Effect of Coulomb Forces on the Position of the Pole in the Scattering Amplitude and on Its Residue
Coulomb Forces Scattering Amplitude on Its Residue
2011/7/20
Explicit expressions of the vertex constant for the decay of a nucleus into two charged particles for an arbitrary orbital momentum $l$ are derived for the standard expansion of the effective-range fu...
Simulated Performance Of Algorithms For The Localization Of Radioactive Sources From A Position Sensitive Radiation Detecting System (COCAE)
Monte Carlo simulations, Semiconductor detectors, Gamma-ray spectroscopy,Compton camera
2011/9/8
Simulation studies are presented regarding the performance of algorithms that localize point-like radioactive sources detected by a position sensitive portable radiation instrument (COCAE). The source...
A novel 2D position-sensitive semiconductor detector
2D position-sensitive semiconductor detector
2011/9/6
We present a novel 2D position-sensitive semiconductor detector manufactured using the conventional planar technology used in the production of single-side AC-coupled microstrips sensors. In the new d...
Lorentz invariance, nonzero minimal uncertainty in position, and inhomogeneity of space at the Planck scale
Lorentz invariance nonzero minimal uncertainty
2010/12/24
The suspicion that the existence of a minimal uncertainty in position measurements violates Lorentz invariance seems unfounded. It is shown that the existence of such a nonzero minimal uncertainty in...
Simulation studies and spectroscopic measurements of a position sensitive detector based on pixelated CdTe crystals
Simulation studies spectroscopic measurements position sensitive detector pixelated CdTe crystals
2010/12/29
Simulation studies and spectroscopic measurements are presented regarding the development of a pixel multilayer CdTe detector under development in the context of the COCAE project. The instrument will...
Evaluation of Compton scattering sequence reconstruction algorithms for a portable position sensitive radioactivity detector based on pixelated Cd(Zn)Te crystals
Evaluation of Compton scattering sequence reconstruction algorithms a portable position sensitive radioactivity detector based on pixelated Cd(Zn)Te crystals
2011/1/4
We present extensive simulation studies on the performance of algorithms for the Compton sequence reconstruction used for the development of a portable spectroscopic instrument (COCAE), with the capab...
Measuring Colloidal Forces from Particle Position Deviations inside an Optical Trap
Measuring Colloidal Forces Particle Position Deviations
2010/11/17
We present a method to measure interaction forces between pairs of charged colloidal particles
suspended in a relatively low-polar medium (5 . " . 8) directly from the deviations of particle
positio...
Simulation studies and spectroscopic measurements of a position sensitive detector based on pixelated CdTe crystals
spectroscopic measurements position sensitive detector pixelated CdTe crystals
2010/11/16
Simulation studies and spectroscopic measurements are presented regarding the development of a pixel multilayer CdTe detector under development in the context of the COCAE project. The instrument wil...
Evaluation of Compton scattering sequence reconstruction algorithms for a portable position sensitive radioactivity detector based on pixelated Cd(Zn)Te crystals
Compton scattering sequence algorithms radioactivity detector
2010/11/17
We present extensive simulation studies on the performance of algorithms for the Compton sequence reconstruction used for the development of a portable spectroscopic instrument (COCAE), with the capa...
Vacancy decay in endohedral atoms: the role of non-central position of the atom
endohedral atoms non-central position of the atom
2010/11/16
We demonstrate that the Auger decay rate in an endohedral atom is very sensitive to the atom's location in the fullerene cage. Two additional decay channels appear in an endohedral system: (a) the cha...
Position-Based Quantum Cryptography: Impossibility and Constructions
Quantum Cryptography Impossibility Constructions
2010/10/19
In this work, we study position-based cryptography in the quantum setting. The aim is to use the geographical position of a party as its only credential. On the negative side, we show that if adversar...
Uncertainty related to position and momentum localization of a quantum state
Uncertainty related position momentum localization quantum state
2010/11/5
This paper presents the uncertainty related to position and momentum localization of a quantum state in terms of entropic uncertainty relations. We slightly improve the inequality given in [Phys. Rev....
Analytical solution to position dependent mass Schrödinger equation
Analytical solution position dependent Schrö dinger equation
2010/11/11
Using a recently developed technique to solve Schr\"odinger equation for constant mass, we studied the regime in which mass varies with position i.e position dependent mass Schr\"odinger equation(PDMS...