Neutron detection and coded-aperture imaging approach
Characterisation of a pixelated plastic scintillator for a coded aperture neutron/gamma imaging system
... Pixelated plastic scintillator (Fig. 1) was coupled to a single channel ET Enterprises 9107B bialkali type PMT and placed in a cylindrical light-proof box made of Al. The complete assembly was then exposed for 10 minutes ...
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Coded-Aperture Compton Camera for Gamma-Ray Imaging
... consider coded aperture masks that are based on a square lattice of the same dimensions as the pixelated Compton ...for detection of features at low count rates, though other choices may be optimal ...
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Development of scintillator based coded aperture neutron imager for nuclear decommissioning
... of coded-aperture applications in X-ray imaging for space exploration was presented by Caroli et ...the coded-aperture based devices with other ...based coded masks, as opposed ...
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Coded aperture imaging systems:past, present and future development a review
... based coded-aperture imaging has proven to be effective when applied for X- and gamma-ray ...for neutron imaging has resulted in a number of propitious sys- tems, which could be ...
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Coded-aperture imaging systems: Past, present and future development - A review
... based coded-aperture imaging has proven to be effective when applied for X- and gamma-ray ...for neutron imaging has resulted in a number of propitious systems, which could be ...
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Investigation into a suitable scintillator and coded-aperture material for a mixed-field radiation imaging system
... and coded-aperture material for a scintillator based mixed-field radiation imaging ...their neutron/gamma detection performance compared when exposed to the spon- taneous fission ...
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Investigation into a suitable scintillator and coded aperture material for a mixed field radiation imaging system
... and coded-aperture material for a scintillator based mixed-field radiation imaging ...their neutron/gamma detection performance compared when exposed to the spontaneous fission spectrum ...
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Applying synthetic aperture, coded excitation, and tissue harmonic imaging techniques to allow ultrasound imaging with a virtual source
... β ρ + ≈ . (2.22) Because the pressure varies from its crests to valleys, the wave’s speed also varies. When the peaks travel faster than the troughs, the peaks start to approach the troughs and the wave becomes ...
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A Programmable Liquid Collimator for Both Coded Aperture Adaptive Imaging and Multiplexed Compton Scatter Tomography
... because the source and detector can be placed on the same side of the object, rather than on opposite sides. In many industrial cases, access to opposite sides of the object to be imaged is not available. MCST could be ...
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Pulse shape discrimination characteristics of stilbene crystal, pure and 6Li loaded plastic scintillators for a high resolution coded aperture neutron imager
... of neutron/gamma ...the coded-aperture imaging system, a reliable method of simultaneous multi-channel neutron/gamma discrimination was sought, accounting for the short data analysis ...
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Pulse shape discrimination performance of a pixelated plastic scintillator (EJ 299 34) for a coded aperture based dual particle imaging system
... Figure 2: Illustration of the implementation of the pulse shape discrimination method used in this study. Long and short integrals used in CCM calculations are marked on the plot. Theoretical fast neutron and ...
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Barker coded modulated thermal wave imaging for defect detection of glass fiber reinforced plastic
... Barker coded [7] stimulations overcome the limitations of the above techniques by probing a suitable band of frequencies swept into the sample in a single experimentation cycle with relatively low peak power ...
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Rotating Aperture Dueterium Gas Cell Development for High Brightness Neutron Production
... fast neutron imaging. The approach being pursued will use a 7-MeV deuterium linac for producing high-energy neutrons via a D(d,n) 3 He ...high-brightness neutron source, a windowless rotating ...
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Coded Aperture Imaging Applied to Pixelated CdZnTe Detectors.
... gamma-ray imaging to lower energies where photoelectric absorption is the dominant interaction mechanism in CdZnTe ...implementing coded aperture ...that imaging was indeed ...
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Design and Simulation of a Rotating Aperture & Vacuum System for Neutron Imaging
... Where c 0 is the speed of sound for the gas and γ the ratio of specific heats. The complete system model was programmed into Matlab with a first order differential equation of the form of equation (1) for each separate ...
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Adaptive Coded Aperture Photography
... the coded aperture pattern, and e is the vector of all ones - this can be solved quickly with the pseudo-inverse: Construct a binary frequency mask (m) and compute intensity aperture pattern (a) by ...
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Analysis and Optimization of Synthetic Aperture Ultrasound Imaging Using the Effective Aperture Approach
... SYNTHETIC APERTURE ULTRASOUND IMAGING USING THE EFFECTIVE APERTURE APPROACH Milen Nikolov, Vera Behar Abstract: An effective aperture approach is used as a tool for analysis and ...
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FNIT: the fast neutron imaging telescope for SNM detection
... SNM imaging that needs to be mentioned at this point is represented by background ...2. Imaging will be used to cope with these events, but a full SNM sample plus atmospheric background simulation ...a ...
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Development and performance of the Fast Neutron Imaging Telescope for SNM detection
... current neutron detectors do not image the neutron source; and • current neutron detectors provide energy information only for the case of high intensities or long ...Fast Neutron ...
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Detection and suppression of narrow band RFI for synthetic aperture radar imaging
... interference detection and mitigation algorithms can exploit certain common features of RFI signals that cause them to be distin- guishable from SAR transmitted ...interference detection and mitigation: ...
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