Articole ştiinţifice: Recent submissions

Now showing items 821-840 of 4690

Proprietăți optice ale filmelor ITO:GA2O3 obținute prin pulverizare magnetron

SUMAN, Victor; RUSU, Emil; ZALAMAI, Victor; URSACHI, Veceslav; GHIMPU, Lidia (Universitatea de Stat din Moldova, 2021)

A fost studiat efectul majorării cantității de Ga2O3 din sursa supusă evaporării asupra transmitanței optice (T), reflectanței (R) și absorbanței (𝛼) a filmelor de ITO:Ga2O3.
Actualitatea și importanța educației muzeale prin colaborarea instituției de învățământ cu familia în contextul gândirii științifice

MUNTEANU, Angela (Universitatea Pedagogică de Stat „Ion Creangă“ din Chişinău, 2021)

Articolul conține un studiu teoretic, care reflectă importanța și posibilitățile educației muzeale prin redarea unor strategii și forme de colaborare a muzeului cu instituțiile de învățământ, familia și alți actori ...
Studiul posibilității producerii vinului roz efervescent în regiunea Ştefan Vodă

MELNIC, Natalia (Universitatea Agrară de Stat din Moldova, 2021)

Scopul cercetării: este de a încerca soiuri de struguri indigene mai ieftine pentru spumante, cu însuşiri calitative variate care nu repetă cele deja cunoscute pe piaţa vitivinicolă. Moldova are raionate soiuri de selecţie ...
Alegerea arealului și soiurilor de struguri la producerea sucului roșu dietetic

GRIZA, Ina (Universitatea Agrară de Stat din Moldova, 2021)

Scopul cercetării: s-a axat pe analiza și alegerea arealului de cultivare a viței de vie și a soiurilor de struguri–materie primă pentru producția sucului cu conținut avansat de substanțe biologic active (SBA), în special ...
Calitatea vinului roz în regiunea Codru în dependență de factorii bio-eco-climatici

BOGATÎI, Eugen (Universitatea Agrară de Stat din Moldova, 2021)

Scopul cercetării: încercarea unor soiuri de struguri indigene cu calități noi, care au priză la export și nu repetă vinuri deja cunoscute pe piață. În ultimii ani s-au raionat câteva soiuri de selecție nouă cu aroma ...
Hardware implementation of Hopfield-like neural networks: Quantitative analysis of FPGA approach

ZAPOROJAN, Sergiu; CARBUNE, Viorel; SLAVESCU, Radu Razvan (IEEE, 2021)

This paper provides a rigorous analysis of FPGA implementation of Hopfield-like neural networks. The relationship between the hardware resources used to synthesize the data path and those used to provide network connections ...
Optical losses characterization in waveguides through the photodeflection method

BERTOLOTTI, Mario; LIAKHOU, G. L.; VOTI, Roberto Li; MATERA, A.; SIBILIA, Concita; VALENTINO, M. (SPIE, 1997)

The photodeflection method is able to characterize the propagation losses in optical waveguides. The theory of the transverse configurations in air and in situ is reviewed. The procedure to determine the propagation loss ...
Fabrication, characterization, and applications of high-performance AlGaAs-based buried-heterostructure diode lasers

SYRBU, Alexei V.; MEREUTZA, Alexandru Z.; SURUCEANU, Grigore I.; IACOVLEV, Vladimir P.; CALIMAN, Andrei N.; LUPU, Anatol T.; VIERU, Stanislav T.; PREDESCU, Marius; POPESCU, Ion M.; ISPASOIU, Radu G. (SPIE, 1996)

Data are presented on buried-heterostructure (BH) AlGaAs/ GaAs and InGaAs/AlGaAs quantum-well diode lasers (DLs) fabricated by low-temperature liquid phase mesa melt etching and regrowth. The basic laser structures were ...
Compact-size electronic device for diode-laser characteristic curve tracing

SMEU, Emil; ISPASOIU, Radu G.; SURUCEANU, Grigore I.; MEREUTZA, Alexandru Z. (SPIE, 1996)

In order to monitor the voltage-current (V-I ) and opticalpower–current (P-I ) characteristic curves of pulsed diode lasers, we have designed, built, and tested a compact-size, low-cost electronic device with the function ...
Reliability of calculation results in optical-electronic holographic computer systems

PERJU, Veacheslav L.; TSIBERNEAC, Stanislav K.; SARANCIUC, Dorian I. (SPIE, 1998)

The problems of investigation and calculations results reliability (CRR) evaluation in holographic computing systems are considered. The analysis of the existing approaches to estimation of CRR has been overtaken. A new ...
Covering the gap in depth resolution between OCT and SLO in imaging the retina

PODOLEANU, Adrian Gh.; ROGERS, John A.; SURUCEANU, Grigore I.; JACKSON, David A. (SPIE, 2001)

Two instruments are now available for high depth resolution imaging of the retina. A scanning laser ophthalmoscope is a confocal instruments which can achieve no more than 0.3 mm depth resolution. A longitudinal OCT ...
Organization of the computer means controlled by the image's parameters

PERJU, Veacheslav L. (SPIE, 1997)

A new concept of working out computer means, with the architecture controlled by the parameters of the images (CPI) is being suggested. The methods and processor structures of image parameters determination are presented. ...
Optical electronic computer systems design in stationary and dynamic modes

PERJU, Veacheslav L. (SPIE, 2001)

The theory of designing the optical-electronic image processing computer systems has been presented. A model of parallel image processing system has been considered, that is based on the principle of function decomposition. ...
Experimental estimation of the recognition reliability in the optical pattern recognition systems

PERJU, Veacheslav L.; CASASENT, David P.; MARDARE, Igor A.; CHIRCA, Oleg V. (SPIE, 2007)

A method of the recognition reliability estimation in the optical pattern recognition systems (OPRS) is described, based on of the similarity measures differences (SMD). It was theoretically justified and experimentally ...
Optical-electronic moments feature-based recognition system controlled by parameters of the input images

PERJU, Veacheslav L.; CASASENT, David P.; PERJU, Veacheslav V.; ZAVROTSCKI, Serghei N. (SPIE, 2003)

The new methods of invariant pattern recognition (IPR), based on the effective calculation of image moment features are presented. It is described the special purpose multiprocessor computer system, which realizes the ...
Design of the optoelectronic computer systems for image processing in stationary and dynamic modes

PERJU, Veacheslav L.; CASASENT, David P. (SPIE, 2004)

The theory of designing the optical-electronic image processing computer systems has been presented. A model of parallel image processing system has been considered, that is based on the principle of function decomposition. ...
The systems for persons' identification and verification on the basis of face correlation recognition

PERJU, Veacheslav L.; CASASENT, David P.; GALBEN, Andrei I.; CIUBOTARU, Octavian P. (SPIE, 2006)

In the article it is presented a PC based system for persons' identification and verification on the basis of face correlation recognition. There are described the structure and the functions, the software, the interfaces, ...
Optical-electronic technologies in materials analysis

PERJU, Veacheslav L.; CASASENT, David P.; FESHCHENKO, Valeriy S.; FESHCHENKO, Lubov V. (SPIE, 2005)

It is proposed a new optical electronic approach for effective, simple and non expensive testing of the materials. An optical correlator is used for high speed features extraction, which characterize the distribution of ...
Special-purpose optical-electronic computer systems controlled by image parameters

PERJU, Veacheslav L. (SPIE, 2000)

Are presented the results of elaboration and investigation of the new class of the optical-electronic reconfigurable image processing computing systems (IPCS), based on the conception of the computing means with the ...
Characterization of strained quantum well InGaAs/AlGaAs buried heterostructure lasers using internal second-harmonic generation

IACOVLEV, Vladimir P.; LUPU, Anatol T.; SYRBOU, Alexei V.; SURUCEANU, Grigore I.; KRAVETSKY, I. V.; CULIUC, Leonid L.; CHAND, Naresh (SPIE, 1994)

In this paper the investigation of internal optical second harmonic generation (SH) of buried heterostructure (BH) InGaAs/AlGaAs strained quantum well laser diodes is performed for additional characterization of these ...

Now showing items 821-840 of 4690

Search DSpace

Advanced Search

Browse

All of DSpace
This Community
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

Articole ştiinţifice: Recent submissions

Search DSpace

Browse

All of DSpace

This Community

My Account