نتایج جستجو برای: particle detection

تعداد نتایج: 733174  

2004
G. A. Lithgow S. G. Buckley Steven G. Buckley

The effect of the location of particles within the plasma volume on the LIBS signal for single-particle measurements is investigated. Three methods of collecting plasma emission are compared to determine the influence of plasma imaging on particle hit detection rates and signal precision. Imaging larger regions of the plasma volume improves particle detection rates. Spatial integration of the s...

2005
Hsueh-Chia Chang

Recently, considerable interest and effort have been devoted to the on-site detection of low-concentration pathogenic bacteria in order to deter infectious diseases and bioterrorism. Conventionally, bacteria detection involves culturing, which is time-consuming and unfeasible under field conditions. Microfluidic devices with integrated electrical detection will enable fast, low-cost, and portab...

2008
Xuan Song Jinshi Cui Hongbin Zha Huijing Zhao

In this paper, we present a Probabilistic Detection-based Particle Filter (PD-PF) for tracking a variable number of interacting targets. When the objects do not interact with each other, our method performs like the deterministic detection-base methods. When the objects are in close proximity, the interactions and occlusions are modelled by a mixed proposal constructed by probabilistic detectio...

Journal: :JCP 2014
Ershen Wang Tao Pang Zhixian Zhang Pingping Qu

Reliability of a navigation system is one of great importance for navigation purposes. Therefore, an integrity monitoring system is an inseparable part of aviation navigation system. Failures or faults due to malfunctions in the systems should be detected and repaired to keep the integrity of the system intact. According to the characteristic of GPS (Global Positioning System) receiver noise di...

2012
Wen-Chang Cheng

In this paper we propose a robust lane detection and tracking method by combining particle filters with the particle swarm optimization method. This method mainly uses the particle filters to detect and track the local optimum of the lane model in the input image and then seeks the global optimal solution of the lane model by a particle swarm optimization method. The particle filter can effecti...

Journal: :EURASIP J. Adv. Sig. Proc. 2010
Carsten Richardt Gisela Anton Kay Graf Juergen Hößl Uli Katz Robert Lahmann Max Neff

The (Antares Modules for Acoustic Detection Under the Sea) AMADEUS system within the (Astronomy with a Neutrino Telescope and Abyss environmental RESsearch) ANTARES neutrino telescope is designed to investigate detection techniques for acoustic signals produced by particle cascades. While passing through a liquid a cascade deposits energy and produces a measurable pressure pulse. This can be us...

Journal: :Analytical chemistry 2014
Matteo Cornaglia Raphaël Trouillon H Cumhur Tekin Thomas Lehnert Martin A M Gijs

We describe the concept of magnetic particle-scanning for on-chip detection of biomolecules: a magnetic particle, carrying a low number of antigens (Ag's) (down to a single molecule), is transported by hydrodynamic forces and is subjected to successive stochastic reorientations in an engineered magnetic energy landscape. The latter consists of a pattern of substrate-bound small magnetic particl...

Journal: :Journal of the Visualization Society of Japan 2000

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