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Accelerating signal processing algorithms in digital holography using an FPGA platform

This paper describes the implementation of a custom DSP system to accelerate image processing algorithms used in the field of digital holography. The system, implemented on an FPGA platform, is intended for real-time reconstruction of images captured on a large image sensor. Due to the large amount of processing information, it is not possible to perform a HDL simulation of a complete image recons

Integrated Watershed Management to Save the UNESCO Biosphere Reserve Lake Urmia, Iran

Lake Urmia is a hypersaline lake in northwest Iran. Due to its unique aquatic ecosystem it has been designated as a Biosphere Reserve by UNESCO and a National Park under the 1971 Ramsar Convention. The biodiversity of the lake is determined by its salinity and Artemia urmiana is the dominant invertebrate and also the key element of the lake’s food chain. The lake is relatively shallow and satellit

Iterative time reversal retrofocusing of electromagnetic wave fields

Time reversal is based on recording the wave field by a set of transducers, time reversing the recorded signal, and retransmitting the result. An iterative time reversal algorithm that retrofocuses an electromagnetic wave field to its controllable part is establish. The algorithm utilizes the 'equal fields on the boundary' condition, which can be archived with the wave-guided controllable part of

Water and the hygro-thermal characteristics of hardened concrete

Abstract in French L'AUTEUR RAPPELLE COMMENT L'EAU PARTICIPE AUX PHENOMENES QUI CONDUISENT A LA DETERIORATION DU BETON ET INDIQUE DES EXEMPLES DE CONDITIONS D'HUMIDITE CRITIQUE DANS LES PHENOMENES DE REACTIONS ALCALI-SILICE, D'EFFLORESCENCES, ET DE CORROSION. IL DECRIT LE COMPORTEMENT HYGROTHERMIQUE DU BETON A L'AIDE DES LOIS DE CONSERVATION DE L'ENERGIE ET DE LA MASSE. DANS LE CAS DU BETON DURCI,

A CFD Investigation of Heat Transfer in a Diesel Fueled PPC Engine Applying Design of Experiments

Due to the nature of the engine cycle, heat transfer has a significant role in the estimation of engine efficiency. The effects are quite well known in the classic combustion concepts, compression ignition (CI) and spark ignition (SI) combustion. But for the newer, low temperature combustion (LTC) concepts, these effects are not that well known. In this paper, a commercial computational fluid dyna