This class addresses the representation, analysis, and design of discrete time signals …
This class addresses the representation, analysis, and design of discrete time signals and systems. The major concepts covered include: Discrete-time processing of continuous-time signals; decimation, interpolation, and sampling rate conversion; flowgraph structures for DT systems; time-and frequency-domain design techniques for recursive (IIR) and non-recursive (FIR) filters; linear prediction; discrete Fourier transform, FFT algorithm; short-time Fourier analysis and filter banks; multirate techniques; Hilbert transforms; Cepstral analysis and various applications. Acknowledgements I would like to express my thanks to Thomas Baran, Myung Jin Choi, and Xiaomeng Shi for compiling the lecture notes on this site from my individual lectures and handouts and their class notes during the semesters that they were students in the course. These lecture notes, the text book and included problem sets and solutions will hopefully be helpful as you learn and explore the topic of Discrete-Time Signal Processing.
This experimental one-week course is a freshman-accessible hands-on introduction to Nuclear Science …
This experimental one-week course is a freshman-accessible hands-on introduction to Nuclear Science and Engineering at MIT. Students build and test their own Geiger Counter, and so doing, they explore different types and sources of radiation, how to detect them, how to shield them, how to accurately count / measure their activity, and explore cryptographical applications of radiation. This course is meant to be enjoyable and rigorous at the same time. This course was offered during the Independent Activities Period (IAP), which is a special 4-week term at MIT that runs during January each year. WARNING NOTICE: An activity described in this course is potentially hazardous and requires a high level of safety training, special facilities and equipment, and supervision by appropriate individuals. You bear the sole responsibility, liability, and risk for the implementation of such safety procedures and measures. MIT shall have no responsibility, liability, or risk for the content or implementation of any of the material presented. Legal Notice
Students' understanding of how robotic ultrasonic sensors work is reinforced in a …
Students' understanding of how robotic ultrasonic sensors work is reinforced in a design challenge involving LEGO MINDSTORMS(TM) NXT robots and ultrasonic sensors. Student groups program their robots to move freely without bumping into obstacles (toy LEGO people). They practice and learn programming skills and logic design in parallel. They see how robots take input from ultrasonic sensors and use it to make decisions to move, resulting in behavior similar to the human sense of sight but through the use of sound sensors, more like echolocation. Students design-test-redesign-retest to achieve successful programs. A PowerPoint® presentation and pre/post quizzes are provided.
The course covers the basic models and solution techniques for problems of …
The course covers the basic models and solution techniques for problems of sequential decision making under uncertainty (stochastic control). We will consider optimal control of a dynamical system over both a finite and an infinite number of stages. This includes systems with finite or infinite state spaces, as well as perfectly or imperfectly observed systems. We will also discuss approximation methods for problems involving large state spaces. Applications of dynamic programming in a variety of fields will be covered in recitations.
The course addresses dynamic systems, i.e., systems that evolve with time. Typically …
The course addresses dynamic systems, i.e., systems that evolve with time. Typically these systems have inputs and outputs; it is of interest to understand how the input affects the output (or, vice-versa, what inputs should be given to generate a desired output). In particular, we will concentrate on systems that can be modeled by Ordinary Differential Equations (ODEs), and that satisfy certain linearity and time-invariance conditions. We will analyze the response of these systems to inputs and initial conditions. It is of particular interest to analyze systems obtained as interconnections (e.g., feedback) of two or more other systems. We will learn how to design (control) systems that ensure desirable properties (e.g., stability, performance) of the interconnection with a given dynamic system.
This course provides an introduction to nonlinear deterministic dynamical systems. Topics covered include: …
This course provides an introduction to nonlinear deterministic dynamical systems. Topics covered include: nonlinear ordinary differential equations; planar autonomous systems; fundamental theory: Picard iteration, contraction mapping theorem, and Bellman-Gronwall lemma; stability of equilibria by Lyapunov’s first and second methods; feedback linearization; and application to nonlinear circuits and control systems.
Electronic commerce (e-commerce) and electronic business (e-business) are vital to business. E-commerce …
Electronic commerce (e-commerce) and electronic business (e-business) are vital to business. E-commerce is one of the core courses in the management information systems (MIS) curriculum. It explains the business practices in the information technology era. The course also introduces the tools that can be applied to e-commerce project development. Information technology has become a commodity, and the e-commerce course has become a widely accepted business elective course forall business majors.The objective of this textbook is to help business students understand the concept of e-commerce and e-business and develop practical skills of e-commerce project development. Upon completion of the course, students will understand e-commerce and e-business, and be able to develop an e-commerce project. This resource was supported by funding from the OER Creator Program at UMass Dartmouth.
The “Einstein Project” is a framework that is designed to help you …
The “Einstein Project” is a framework that is designed to help you find a solution to an everyday problem that makes you passionate in your thinking and designing. This project is designed to make you think outside of the box as active learners and create solutions in uncommon ways, forget about failing or succeeding and take chances.
This course teaches the principles and analysis of electromechanical systems. Students will …
This course teaches the principles and analysis of electromechanical systems. Students will develop analytical techniques for predicting device and system interaction characteristics as well as learn to design major classes of electric machines. Problems used in the course are intended to strengthen understanding of the phenomena and interactions in electromechanics, and include examples from current research.
This course explores the relationships which exist between the performance of electrical, …
This course explores the relationships which exist between the performance of electrical, optical, and magnetic devices and the microstructural characteristics of the materials from which they are constructed. The class uses a device-motivated approach which emphasizes emerging technologies. Device applications of physical phenomena are considered, including electrical conductivity and doping, transistors, photodetectors and photovoltaics, luminescence, light emitting diodes, lasers, optical phenomena, photonics, ferromagnetism, and magnetoresistance.
This course is a three-part series which explains the basis of the …
This course is a three-part series which explains the basis of the electrical, optical, and magnetic properties of materials including semiconductors, metals, organics, and insulators. We will show how devices are built to take advantage of these properties. This is illustrated with a wide range of devices, placing a strong emphasis on new and emerging technologies. The first part of the course covers electronic materials and devices, including diodes, bipolar junction transistors, MOSFETs, and semiconductor properties. The second part covers optical materials and devices, including photodetectors, solar cells (photovoltaics), displays, light emitting diodes, lasers, optical fibers, optical communications, and photonic devices. The final part of the series covers magnetic materials and devices, including magnetic data storage, motors, transformers, and spintronics. This course was organized as a three-part series on MITx by MIT’s Department of Materials Science and Engineering and is now archived on the Open Learning Library, which is free to use. You have the option to sign up and enroll in each modules if you want to track your progress, or you can view and use all the materials without enrolling.
After this course the student can: Understand mechanical system requirements for Electric …
After this course the student can: Understand mechanical system requirements for Electric Drive Understand and apply passive network elements (R, L, C), laws of Kirchhof, Lorentz, Faraday Understand and apply: phasors for simple R,L,C circuits Understand and apply real and reactive power, rms, active and reactive current, cos phi Describe direct current (DC), (single phase) alternating current (AC) and (three phase) alternating current systems, star-delta connection Understand the principle of switch mode power electronic converters, pole as a two quadrant and four quadrant converter Understand principles of magnetic circuits, inductances and transformers
This course provides an introduction into electrical troubleshooting theory in troubleshooting common …
This course provides an introduction into electrical troubleshooting theory in troubleshooting common electrical problems including: low voltage, high voltage, unwanted resistance, open circuits, high resistance shorts-to-ground, and current and voltage unbalance. Efficiency technology and sustainable practices are covered. An effective troubleshooting methodology is embedded in this course.
This course provides an introduction into electrical troubleshooting theory in troubleshooting common …
This course provides an introduction into electrical troubleshooting theory in troubleshooting common electrical problems including: low voltage, high voltage, unwanted resistance, open circuits, high resistance shorts-to-ground, and current and voltage unbalance. Efficiency technology and sustainable practices are covered. An effective troubleshooting methodology is embedded in this course.
This course provides an introduction into electrical troubleshooting theory in troubleshooting common …
This course provides an introduction into electrical troubleshooting theory in troubleshooting common electrical problems including: low voltage, high voltage, unwanted resistance, open circuits, high resistance shorts-to-ground, and current and voltage unbalance. Efficiency technology and sustainable practices are covered. An effective troubleshooting methodology is embedded in this course.
This course provides an introduction into electrical troubleshooting theory in troubleshooting common …
This course provides an introduction into electrical troubleshooting theory in troubleshooting common electrical problems including: low voltage, high voltage, unwanted resistance, open circuits, high resistance shorts-to-ground, and current and voltage unbalance. Efficiency technology and sustainable practices are covered. An effective troubleshooting methodology is embedded in this course.
This course provides an introduction into electrical troubleshooting theory in troubleshooting common …
This course provides an introduction into electrical troubleshooting theory in troubleshooting common electrical problems including: low voltage, high voltage, unwanted resistance, open circuits, high resistance shorts-to-ground, and current and voltage unbalance. Efficiency technology and sustainable practices are covered. An effective troubleshooting methodology is embedded in this course.
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