'Low pass' diaporamas de présentation

Fourier Transform J.B. Fourier 1768-1830

Fourier Transform J.B. Fourier 1768-1830. Image Enhancement in the Frequency Domain 1-D. A. A. sin(x). 3 sin(x). B. + 1 sin(3x). A+B. + 0.8 sin(5x). C. A+B+C. + 0.4 sin(7x). D. A+B+C+D. A sum of sines and cosines. =. Fourier spectrum of step function.

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A Tour of Image Denoising

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Successful application of Active Filters

1.08k views • 60 slides

Dimensionality Reduction Techniques

Dimensionality Reduction Techniques. Dimitrios Gunopulos, UCR. Retrieval techniques for high-dimensional datasets. The retrieval problem: Given a set of objects S , and a query object S, find the objectss that are most similar to S. Applications:

661 views • 48 slides

On Minimalism and Scale in Sensor Networks

On Minimalism and Scale in Sensor Networks. Upamanyu Madhow ECE Department University of California, Santa Barbara. Funding Sources. Why sensor networks? . Sensors have been around for a long time Why are we so interested in sensor networks ? Role of networking

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Sampling Theory

695 views • 34 slides

Texas Instruments Incorporated European Customer Training Centre University of Applied Sciences Zwickau (FH)

Module 14 : C28x FIR - Filter. 32-Bit-Digital Signal Controller TMS320F2812. Texas Instruments Incorporated European Customer Training Centre University of Applied Sciences Zwickau (FH). Basics of Digital Filter Theory.

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490 views • 33 slides

Climate Variability and Basin Scale Forcing over the North Atlantic

Climate Variability and Basin Scale Forcing over the North Atlantic. Jim Hurrell Climate and Global Dynamics Division National Center for Atmospheric Research (NCAR) jhurrell@ucar.edu. BASIN Science Meeting 12-14 March 2005 Reykjavik, Iceland . Climate Phenomena in the Atlantic.

544 views • 30 slides

554 views • 27 slides

Revision

Revision Multimedia Systems 1 Lecture 1 - The Physics of Sound Lecture 2 - The Java Sound API Lecture 3 - Input Transducers (Microphones) Lecture 4 - Output Transducers (Speakers) Lecture 5 - Manipulating Audio (A/D) Lecture 6 - Manipulating Digital Audio (D/A)

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E E 2415

E E 2415. Lecture 16 2 nd Order High Pass, Low Pass and Band Reject Filters. 2 nd Order Low Pass Filter (1/8). 2 nd Order Low Pass Filter (2/8). 2 nd Order Low Pass Filter (3/8). 2 nd Order Low Pass Filter (4/8). Two Poles. 2 nd Order Low Pass Filter (5/8).

427 views • 21 slides

Digital Communications

Digital Communications. EE549/449 FALL 2001 Lecture #26 Pulse Shaping Controlled Intersymbol Interference Wednesday October 24, 2001. Root Raised Cosine (RC) rolloff Pulse Shaping.

731 views • 20 slides

Lock-in amplifiers

Lock-in amplifiers. http://www.lockin.de/. Noise amplitude. 1/ f noise. log(V noise ). White noise. 0. log( f ). 0.1 1 10 100 1kHz. Signals and noise. Total noise in 10 Hz bandwidth. Signal at DC. 1/ f noise. Frequency dependence of noise Low frequency ~ 1 / f

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Sallen and Key Two Pole Filter

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Polymer Synthesis

1.28k views • 16 slides

Lecture 9: Fourier Transform Properties and Examples

Lecture 9: Fourier Transform Properties and Examples. 3. Basis functions (3 lectures): Concept of basis function. Fourier series representation of time functions. Fourier transform and its properties . Examples, transform of simple time functions . Specific objectives for today:

1.66k views • 14 slides

Subtractive Synthesis

Subtractive Synthesis. Subtractive Synthesis. Subtractive synthesis is the method used to create sounds in most of the classic synths of the 1970s, such as the MiniMoog, ARP 2600 and Oberheim.

401 views • 13 slides

ECES 682 Digital Image Processing Week 5

ECES 682 Digital Image Processing Week 5. Oleh Tretiak ECE Department Drexel University. Mr. Joseph Fourier. To analyze a heat transient problem, Fourier proposed to express an arbitrary function by the formula. Image Distortion Model. Restoration depends on distortion

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Safety Net Options & Appeal to Graduate with a Lower Score on a Regents Examination

Safety Net Options & Appeal to Graduate with a Lower Score on a Regents Examination. Why is this significant to our students?. Appeal to Graduate with a Lower Score on a Regents Examination. Appeal of Regents Exam Students Eligible Cohort 2005-2006 All Students Provisions

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