Fizica

Course Description This course will cover fundamentals of digital communications and networking. We will study the basics of information theory, sampling and quantization, coding, modulation, signal detection and system performance in the...

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Course Description This course provides an introduction to nonlinear deterministic dynamical systems. Topics covered include: nonlinear ordinary differential equations; planar autonomous systems; fundamental theory: Picard iteration,...

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Course Description This class includes a brief review of applied aerodynamics and modern approaches in aircraft stability and control. Topics covered include static stability and trim; stability derivatives and characteristic longitudinal and...

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Course Description This course studies basic optimization and the principles of optimal control. It considers deterministic and stochastic problems for both discrete and continuous systems. The course covers solution methods including numerical...

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Course Description This is a graduate level course on Computational Mechanics of Materials. The primary focus of this course is on the teaching of state-of-the-art numerical methods for the analysis of the nonlinear continuum response of...

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Course Description Applies solid mechanics to analysis of high-technology structures. Structural design considerations. Review of three-dimensional elasticity theory; stress, strain, anisotropic materials, and heating effects. Two-dimensional...

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Course Description This course extends fluid mechanic concepts from Unified Engineering to the aerodynamic performance of wings and bodies in sub/supersonic regimes. 16.100 generally has four components: subsonic potential flows, including...

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Course Description This course covers the fundamentals of Newtonian mechanics, including kinematics, motion relative to accelerated reference frames, work and energy, impulse and momentum, 2D and 3D rigid body dynamics. The course pays special...

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Course Description This course is taught in four main parts. The first is a review of fundamental thermodynamic concepts (e.g. energy exchange in propulsion and power processes), and is followed by the second law (e.g. reversibility and...

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Cap. 1 Traductoare si sisteme pentru achizitie si control.......................1 1.1 Introducere....................................................................................................1 1.2 Structura generala a unui...

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Cap. 1 Sisteme de reglare automata a temperaturii.................................2 1. Clasificarea sistemelor automate de reglare.........................................2 1.1 Particularitaţile de...

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Uzura normala de functionare reprezinta un fenomen fizic inevitabil datorat mai multor factori: mecanici, termici, oxidare, oboseala, etc. In functie de factorii mentionati, uzura normala de functionare poate fi: uzura mecanica (prin eroziune...

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By Salman Khan - Khan AcademyCourse Description: Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.Lectures:...

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By Leonard Susskin - Stanford UniversityLicence: Course Description: The old Copenhagen interpretation of quantum mechanics associated with Niels Bohr is giving way to a more profoud interpretation based on the idea of quantum entanglement....

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By Walter Lewin - Massachusetts Institute of TechnologyLicence: Course Description: In addition to the traditional topics of mechanical vibrations and waves, coupled oscillators, and electro-magnetic radiation, this course also discusses musical...

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By Walter Lewin - Massachusetts Institute of TechnologyLicence: Course Description: This course is a first-semester freshman physics class in Newtonian Mechanics, Fluid Mechanics, and Kinetic Gas Theory. In addition to the basic concepts a variety...

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By Ramamurti Shankar - Yale UniversityLicence: Open Yale Courses Terms of UseCourse Description: This course provides a thorough introduction to the principles and methods of physics for students who have good preparation in physics and...

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By Walter Lewin - Massachusetts Institute of TechnologyLicence: Course Description: In addition to the basic concepts of Electromagnetism, a vast variety of interesting topics are covered in this course: Lightning, Pacemakers, Electric Shock...

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Optica reprezinta studiul propagarii luminii prin diferite medii si instrumente Lumina constituie un sistem fizic foarte potrivit pentru obtinerea, stocarea si transmisia informatiei, precum si pentru comanda diferitelor instalatii, iar...

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Energia Nucleara reprezinta energia eliberata in timpul fisiuni sau fuziunii nucleilor atomici. Pana in anii 1800 principalul combustibil era lemnul,energia lui derivand din energia solara inmagazinata in plante in timpul perioadei lor de...

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1. Scopul lucrarii Determinarea constantei implicata in seriile spectrale ale atomilor hidrogenoizi 2. Teoria lucrarii Atomii fiecarui element emit, atunci cand sunt excitati (de exemplu intr-o descarcare in gaz), un spectru optic...

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Cuvantul provine din francezul mirage, care la randul sau provine din latinul mirare, care inseamna "a parea" Explicatie stiintifica Densitatea aerului cald este mai mica decat a celui rece. Razele de lumina parcurg mai intai...

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Importanta practica a masurarilor electrice in tehnica moderna nu mai necesita sublinieri . Atat schimburile de energie, cat si schimburile de informatie se fac cel mai frecvent pe suportul marimilor electromagnetice, a caror  masurare...

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In activitatea practica se intalnesc diferite marimi fizice care se deosebesc intre ele atat din punct de vedere calitativ (prin natura lor), cat şi din punct de vedere cantitativ. Evaluarea cantitativa a unei marimi fizice de o anumita...

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Tehnicile de diagnostica optica, care folosesc fotonii  pentru a transmite informatii de la plasma la instrumentul de detectie sunt cele mai putin intrusive, in-situ, metode de diagnostica. Fotonii, in cele mai multe cazuri produc numai o...

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Notiunea de spatiu vectorial constituie obiectul de studiu al algebrei liniare si reprezinta una dintre cele mai importante structuri algebrice utilizata in diferite ramuri ale matematicii precum si in disciplinele aplicate. 1.1 Definitie. O...

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Proprietate a unor cristale (cum ar fi cuartul) de a dezvolta intre fetele opuse o tensiune electromotoare (voltaj), atunci cand sunt supuse intinderii sau compresiei si, reciproc, de-a se extinde sau contracta din punct de vedere al dimensiunii,...

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CE  ESTE  ACUMULATORUL ACID-PLUMB ?   Acumulatorii sunt  echipamente ce transforma energia chimica in electricitate. Acumulatorii sunt un mod eficient de a face electricitatea portabila. In plus, acumulatorii furnizeaza...

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Lumina ca si toate celelalte forme de radiatie electromagnetica, calatoresc in vid cu o viteza de circa 300.000 km/s, iar in aer ceva mai incet. Viteza luminii in vid reprezinta o constanta universala, notata cu  c , si, conform teoriei...

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Sisteme disperse, Termodinamica chimica, Cinetica chimica, Echilibru chimic Sisteme disperse Sistemul dispers este imaginat ca fiind compus dintr-o substanta, repartizata sub forma de particule mici intr-o alta substanta cu care vine in...

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