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  • Video 
    Air Pollution 101

    Air Pollution 101

    What is air pollution? Learn how greenhouse gasses, smog, and toxic pollutants effect climate change, and human health.

    Subjects:
    Environmental Sciences and Environmental Engineering
    Keywords:
    Air -- Pollution Greenhouse gases -- Environmental aspects Smog
    Resource Type:
    Video
     
  • e-book 
    Air Traffic Control

    Air Traffic Control

    This book includes nine chapters that demonstrate the multi-disciplinary character of the air traffic control domain.

    Subjects:
    Aeronautical and Aviation Engineering
    Keywords:
    Air traffic control
    Resource Type:
    e-book
     
  • Courseware 
    Aircraft Stability and Control

    Aircraft Stability and Control

    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 lateral-directional motions; and physical effects of the wing, fuselage, and tail on aircraft motion. Control methods and systems are discussed, with emphasis on flight vehicle stabilization by classical and modern control techniques; time and frequency domain analysis of control system performance; and human-pilot models and pilot-in-the-loop controls with applications. Other topics covered include V/STOL stability, dynamics, and control during transition from hover to forward flight; parameter sensitivity; and handling quality analysis of aircraft through variable flight conditions. There will be a brief discussion of motion at high angles-of-attack, roll coupling, and other nonlinear flight regimes.

    Subjects:
    Aeronautical and Aviation Engineering
    Keywords:
    Stability of airplanes Flight control
    Resource Type:
    Courseware
     
  • Courseware 
    Aircraft Systems Engineering

    Aircraft Systems Engineering

    This course adopts a holistic view of the aircraft as a system, covering: basic systems engineering; cost and weight estimation; basic aircraft performance; safety and reliability; lifecycle topics; aircraft subsystems; risk analysis and management; and system realization.

    Subjects:
    Aeronautical and Aviation Engineering
    Keywords:
    Airplanes -- Design construction
    Resource Type:
    Courseware
     
  • Courseware 
    Airline Management

    Airline Management

    This course provides an overview of airline management decision processes with a focus on economic issues and their relationship to operations planning models and decision support tools. It emphasizes the application of economic models of demand, pricing, costs, and supply to airline markets and networks, and it examines industry practice and emerging methods for fleet planning, route network design, scheduling, pricing and revenue management.

    Subjects:
    Aeronautical and Aviation Engineering and Hotel, Travel and Tourism
    Keywords:
    Airlines -- Management
    Resource Type:
    Courseware
     
  • Others 
    Algorithm Visualizer

    Algorithm Visualizer

    Algorithm Visualizer is an interactive online platform that visualizes algorithms from code. Learning an algorithm gets much easier with visualizing it.

    Subjects:
    Computing
    Keywords:
    Algorithms Information visualization
    Resource Type:
    Others
     
  • Courseware 
    Algoritmiek

    Algoritmiek

    This course treats various methods to design and analyze datastructures and algorithms for a wide range of problems. The most important new datastructure treated is the graph, and the general methods introduced are: greedy algorithms, divide and conquer, dynamic programming and network flow algorithms. These general methods are explained by a number of concrete examples, such as simple scheduling algorithms, Dijkstra, Ford-Fulkerson, minimum spanning tree, closest-pair-of-points, knapsack, and Bellman-Ford. Throughout this course there is significant attention to proving the correctness of the discussed algorithms. All material for this course is in English. The recorded lectures, however, are in Dutch.

    Subjects:
    Computing
    Keywords:
    Algorithms Data structures (Computer science)
    Resource Type:
    Courseware
     
  • Courseware 
    An RNA Safari: Exploring the Surprising Diversity of Mammalian Transcriptomes

    An RNA Safari: Exploring the Surprising Diversity of Mammalian Transcriptomes

    The aim of this class is to introduce the exciting and often under appreciated discoveries in RNA biology by exploring the diversity of RNAs—encompassing classical molecules such as ribosomal RNAs (rRNAs), transfer RNAs (tRNAs) and messenger RNAs (mRNAs) as well as newer species, such as microRNAs (miRNAs), long-noncoding RNAs (lncRNAs), and circular RNAs (circRNAs). For each new class of RNA, we will evaluate the evidence for its existence as well as for its proposed function. Students will develop both a deep understanding of the field of RNA biology and the ability to critically assess new papers in this fast-paced field. This course is one of many Advanced Undergraduate Seminars offered by the Biology Department at MIT. These seminars are tailored for students with an interest in using primary research literature to discuss and learn about current biological research in a highly interactive setting. Many instructors of the Advanced Undergraduate Seminars are postdoctoral scientists with a strong interest in teaching.

    Subjects:
    Biology
    Keywords:
    RNA
    Resource Type:
    Courseware
     
  • Courseware 
    Analog Integrated Circuit Design

    Analog Integrated Circuit Design

    An introductory course in analog circuit synthesis for microelectronic designers. Topics include: Review of analog design basics; linear and non-linear analog building blocks: harmonic oscillators, (static and dynamic) translinear circuits, wideband amplifiers, filters; physical layout for robust analog circuits; design of voltage sources ranging from simple voltage dividers to high-performance bandgaps, and current source implementations from a single resistor to high-quality references based on negative-feedback structures.

    Subjects:
    Electrical Engineering
    Keywords:
    Analog integrated circuits
    Resource Type:
    Courseware
     
  • Presentation 
    Analyzing Word Frequencies in Large Text Corpora using Inter-arrival Times and Bootstrapping

    Analyzing Word Frequencies in Large Text Corpora using Inter-arrival Times and Bootstrapping

    This video was recorded at European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), Athens 2011. Comparing frequency counts over texts or corpora is an important task in many applications and scientific disciplines. Given a text corpus, we want to test a hypothesis, such as "word X is frequent", "word X has become more frequent over time", or "word X is more frequent in male than in female speech". For this purpose we need a null model of word frequencies. The commonly used bag-of-words model, which corresponds to a Bernoulli process with fixed parameter, does not account for any structure present in natural languages. Using this model for word frequencies results in large numbers of words being reported as unexpectedly frequent. We address how to take into account the inherent occurrence patterns of words in significance testing of word frequencies. Based on studies of words in two large corpora, we propose two methods for modeling word frequencies that both take into account the occurrence patterns of words and go beyond the bag-of-words assumption. The first method models word frequencies based on the spatial distribution of individual words in the language. The second method is based on bootstrapping and takes into account only word frequency at the text level. The proposed methods are compared to the current gold standard in a series of experiments on both corpora. We find that words obey different spatial patterns in the language, ranging from bursty to non-bursty/uniform, independent of their frequency, showing that the traditional approach leads to many false positives.

    Subjects:
    Management and Computing
    Keywords:
    Computational linguistics Text processing (Computer science) Discourse analysis -- Data processing
    Resource Type:
    Presentation
     
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