A5108074571- Radiation Detection and Scintillator Technologies
- Medical Imaging Techniques and Applications
- Particle Detector Development and Performance
- Neural Networks and Applications
- Advanced Data Compression Techniques
- Image and Signal Denoising Methods
- CCD and CMOS Imaging Sensors
- Analog and Mixed-Signal Circuit Design
- Meat and Animal Product Quality
- Nuclear Physics and Applications
- Advanced Vision and Imaging
- Educational Technology in Learning
- E-Learning and Knowledge Management
- Atomic and Subatomic Physics Research
- VLSI and Analog Circuit Testing
- Knowledge Societies in the 21st Century
- Animal Nutrition and Physiology
- Advanced Chemical Sensor Technologies
- Sensor Technology and Measurement Systems
- Food Drying and Modeling
- Spectroscopy and Chemometric Analyses
- Engineering and Information Technology
- Educational Innovations and Technology
- Advanced Neural Network Applications
- Analytical Chemistry and Sensors
Universitat Politècnica de València
2011-2022
Instituto de Instrumentación para Imagen Molecular
2012-2022
Universitat de València
2008
Anisotropic wet chemical etching of quartz is a bulk micromachining process for the fabrication micro-electro-mechanical systems (MEMS), such as resonators and temperature sensors. Despite success continuous cellular automaton simulation silicon, same has received little attention—especially from an atomistic perspective—resulting in lack accurate modeling tools. This paper analyzes crystallographic structure main surface orientations proposes novel classification atoms well evolutionary...
Due to the high intensification of poultry production in recent years, white chicken breast striping is one most frequently seen myopathies. The aim this research was develop a spectrophotometry-based sensor detect physiopathy meat whole carcasses with skin. Experiments were carried out using normal and breasts. In order understand mechanism involved physiopathy, different tissues that conform each analyzed. Permittivity radiofrequency (40 Hz 1 MHz) measured two sensors; flat plates analyze...
An ASIC front-end has been developed for multianode photomultiplier based nuclear imaging devices. Its architecture designed to improve resolution and decrease pile-up probability in positron emission tomography systems which employ continuous scintillator crystals. Analog computation elements are isolated from the by means of a current sensitive preamplifier stage. This allows digitally programmable adjustment every anode gain, also providing better gamma event position calculation shorter...
The study of programmable logic devices (PLDs) is one the more accessible branches microelectronics, given conceptual simplicity and relative ease with which implementation resources can be found that enable fairly large projects to undertaken. Circuit Electronic Systems Design course-offered as part telecommunication engineering plan at Polytechnic University Valencia, Spain-teaches digital design methods based on PLDs. This subject implies an understanding structures hardware description...
A novel CMOS integrated front-end architecture is presented throughout this paper. It designed to be used with detectors based on continuous scintillation crystals plus position sensitive photomultiplier. Its structure aims at carrying out an analog computation which extracts fundamental information of the detected event. This fact allows us avoid individual acquisition every input channel so that a large increase inputs feasible. In order accomplish processing task, current buffer delivers...
Current PET systems with fully digital trigger rely on early digitization of detector signals and the use processors, usually FPGAs, for recognition valid gamma events single detectors. Timestamps are assigned later used coincidence analysis. In order to maintain a decent timing resolution detected different acquisition boards, it is necessary that local timestamps FPGAs be synchronized. Sub-nanosecond accuracy mandatory if we want this effect negligible overall resolution. This achieved by...
We report a first assessment of image quality enhancement achieved by the implementation depth interaction detection with monolithic crystals. The method measurement is based on analogue computation standard deviation an enhanced charge divider readout. This technique was developed in order to provide fast and determination this parameter at reasonable increase detector cost. consists large-sized scintillator coupled position sensitive photomultiplier tube. A special design feature...
The use of atomistic methods, such as the continuous cellular automaton (CCA), is currently regarded an accurate and efficient approach for simulation anisotropic etching in development micro-electro-mechanical systems (MEMS). However, whenever targeted condition modified (e.g. by changing substrate material, etchant type, concentration and/or temperature) this requires performing a time-consuming recalibration full set internal rates defined within method. Based on level (LS) alternative...
We present a novel active and analog readout preprocessing topology for position sensitive photodetectors (PSPD) that allows to large variety of PSPD devices with different pixel numbers. Additionally, the was designed allow significant reduction analog-to-digital conversion channels. The circuit replaces common passive charge divider consists N input stages, × M weighting stages adder where is number channels, i.e. photodetector pixels outputs. performs multiplication matrix (the weights)...
An ASIC front-end has been developed for multi-anode photomultiplier based nuclear imaging devices. Its architecture designed to improve resolution and decrease pile-up probability in Positron Emission Tomography systems which employ continuous scintillator crystals. Analog computation elements are isolated from the by means of a current sensitive preamplifier stage. This allows digitally programmable adjustment every anode gain, also providing better gamma event position calculation shorter...