(Complete Item Description)
- Abstract:
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This module gives an overview of wavelets and their usefulness as a basis in image processing. In particular we look at the properties of the Haar wavelet basis.
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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(Complete Item Description)
- Abstract:
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This module explains the inverse Fourier transform.
- Subject:
-
Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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- Abstract:
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An overview of the concepts behind the magnitude and phase of frequency response of LSI systems.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Connexions
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The Fast Fourier Transform (FFT) is a tool that can be used to convert time domain information into a frequency domain representation. In the Microphone FFT Lab, experimenters use a Low Cost National Instruments Data Acquisition device to acquire data fro
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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This unit shows how partial differential equations can be used to model phenomena such as waves and heat transfer. The prerequisite requirements to gain full advantage from this unit are an understanding of ordinary differential equations and basic familiarity with partial differential equations.
- Subject:
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Mathematics and Statistics
- Grade Level:
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Post-secondary
- Collection:
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Open University OpenLearn
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Parallel treatments of photons, electrons, phonons, and molecules as energy carriers, aiming at a fundamental understanding of descriptive tools for energy and heat transport processes from nanoscale to macroscale. Topics include the energy levels, the statistical behavior and internal energy, energy transport in the forms of waves and particles, scattering and heat generation processes, Boltzmann equation and derivation of classical laws, deviation from classical laws at nanoscale and their appropriate descriptions, with applications in nanotechnology and microtechnology.
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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MIT OpenCourseWare
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This module looks at the periodic extensions of the DTFS coefficients and how the coefficients play a critical role in manipulating signals.
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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(Complete Item Description)
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An introduction to Plancharel and Parseval in CT Fourier series.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Connexions
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Este modulo ve la relacion basica de la convolución circular entre dos conjuntos de coeficientes de Fourier.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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- Abstract:
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Este modulo ve las diferentes propiedades de simetria de las series de fourier y de sus coefficientes.
- Subject:
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Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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- Abstract:
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Una introducción a las propiedades generales de las series de Fourier.
- Subject:
-
Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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- Abstract:
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Este modulo introduce las Series de Fourier y los coeficientes de Fourier usando los conceptos de eigenfunciones y bases. Veremos varios ejemplos de como descomponer una señal y de como encontrar sus coericientes de Fourier.
- Subject:
-
Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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- Abstract:
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Este curso trata acerca de señales, sistemas, y transformadas a partir de las bases matématicas y teoréticas hasta las implementaciones prácticas en circuitos y algoritmos. Al terminar ELEC 301, tendrá un amplio entendimiento de las matématicas y temas prácticos relacionados con las señales en tiempo continuo y tiempo discreto, sistemas lineales invariantes en el tiempo, la convuloción, y la trasformada de Fourier.
- Subject:
-
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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(Complete Item Description)
- Abstract:
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This module discusses the accuracy of the Fourier Series approximation.
- Subject:
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Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
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Connexions
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- Abstract:
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Sobolev smoothness spaces are discussed and defined in this module.
- Subject:
-
Mathematics and Statistics,
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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(Complete Item Description)
- Abstract:
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The discrete Fourier transform (DFT) maps a finite number of discrete time-domain samples to the same number of discrete Fourier-domain samples. Being practical to compute, it is the Primary transform applied to real-world sampled data in digital signal processing. The DFT has special relationships with the discrete-time Fourier transform and the continuous-time Fourier transform that let it be used as a practical approximation of them through truncation and windowing of an infinite-length signal. Different window functions make various tradeoffs in the spectral distortions and artifacts introduced by DFT-based spectrum analysis.
- Subject:
-
Science and Technology
- Grade Level:
-
Post-secondary
- Collection:
-
Connexions
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