VIDEO GALLERIES: List of Video Playlist from the University of New South Wales (UNSW) Here are video galleries from UNSW’s You’ll find various collections of video courses from that program. Many of the videos are about one hour or so in length. Below is a list of video galleries from the University of New South [...] . . . → Read More: Video Galleries from the University of New South Wales
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 Leave a comment  Algebra Problems, Algebra Tutorials, Calculus, Digital Signal Processing, Linear Algebra, Signal Processing, Trigonometry, Uncategorized, Vector Calculus and Analysis  advanced multimedia, algebraic topology, Calculus, data structures and algorithms, design in computing, digital circuit design, Digital Signal Processing, elearning howtos, engineering mathematics, higher computing, history of mathematics, hyperbolic geometry, learning to teach online, linear algebra, programming for designers, rational trigonometry, revision videos in algebra and calculus, speech and audio processing, university algebra, university calculus, university learning and teaching, vector calculus One common class of signals are sinusoids…that is they are either cosines or sines. The video shown below briefly reviews the definition of a sine, cosine, and tangent. Basic Trigonometry Formula – SOH-CAH-TOA TitleBasic Trigonometry Formula – SOH-CAH-TOA Mathematically, the cosine signal is generally given as (Equation 1) where is the angular frequency (radians/sec), [...] . . . → Read More: Signal Processing Tutorial: The Basic Sinusoids An Introduction to Signal Processing Signal processing involves signals and systems. Today, you have multimedia computers, entertainment systems and digital communications systems and you can be sure that signal processing functions are involved. When it comes to the meaning of signals, you may be thinking of a signal as carrying information. Usually, that information is [...] . . . → Read More: Signal Processing Tutorial: Introduction to Signal Processing We introduce the z-transform bringing polynomials and rational functions to help analyze linear discrete-time systems. The discrete-time convolution (or FIR convolution) is equivalent to polynomial multiplication and algebraic operations in the z transform domain can be translated as combining or decomposing linear time-invariant (LTI) systems. The most common z-transforms are rational functions, that is, the [...] . . . → Read More: Overview and Introduction to the z-Transform (Polynomial & Rational Functions) The Matlab tutorial article continues with providing an example of a low pass filter (LPF) to graph its bode plot in Matlab. The low pass filter was implemented using a simple RC-circuit. To review, bode plots are basically logarithmic graphs of a linear time-invariant system as a function of frequency. Bode plots are useful tools [...] . . . → Read More: Matlab Example – Bode Plots of a Low Pass Filter (Part 2) |
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