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On Some Applications of the Fast Discrete Fourier Transform »
... Motivated by the excellent work of Bill Davis and Jerry Uhlʼs Differential Equations & Mathematica [1], we present in detail several little-known applications of the fast discrete Fourier ...
Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique
... FIR filters are widely studied DSP structures. Their behavior in terms of quantization error, BIBO stability, and the ability to build fast-pipelined structures make FIR filters very attrac- tive. Two algorithms ...
Complexity Analysis and Accuracy of Image Recovery Based on Signal Transformation Algorithms
... tools: Fast Fourier Transform (FFT), Discrete Cosine Transform (DCT), Discrete Wavelet Transform (DWT) and Gabor Filter has been implemented for feature extraction of ...
Review on FPGA based OFDM System Implementation using FFT
... calculate discrete Fourier transform there is an algorithm named as a fast Fourier transform ...a Fourier transform, conversion of time domain signal into frequency ...
On Two Transform Methods for the Valuation of Contingent Claims
... two transform methods for pricing contingent claims namely the fast Fourier transform method and the fast Hilbert transform ...The fast Fourier transform ...
Image Contrast Enhancement Using Fast Discrete Curvelet Transform via Unequally Spaced Fast Fourier Transform (FDCT-USFFT)
... orthogonal transform of the image rather than the image itself, where works by 2-D discrete Fourier transform of the image, modify the coefficients transform, and then performing the ...
ELECTROENCEPHALOGRAPHY (EEG) SIGNAL ENHANCEMENT AND ANALYSIS USING WAVELET TRANSFORM
... The electroencephalograph (EEG) is technique of recording electrical activity of brain. In this normalized compressed EEG data wavescataloging is done using the Discrete Wavelet Transform (DWT) with ...
Performance Study of Several Methods and Selected Wavelets for Image Compression
... these discrete transforms many adaptations of the Fast Fourier Transform (FFT) were ...as fast for spans that have merely diminutive key issues along with more than a few times slower ...
Identification of Growth Rate of Plant based on leaf features using Digital Image Processing Techniques
... A Fast Fourier transform (FFT) is an algorithm to compute the discrete Fourier transform (DFT) and it‟s ...A Fourier Transform converts time (or space) to frequency ...
Fpga Implementation Of 16-Bit Radix-2 Fft Architecture
... The Fast Fourier Transform is an algorithm optimization of the DFT—Discrete Fourier ...the Fourier Transform, a continuous process for the analog world, to make it ...
Introduction to Fast Fourier Transform in Finance
... The Fourier transform is becoming an increasingly popular and important tool in Financial Economics because it delivers real time pricing while allowing for important properties of asset returns, such as ...
Performance Analysis of OFDM System under FFT, DWT and DCT Based Transform Techniques
... conventional Fast Fourier Transform (FFT)-OFDM system and discrete cosine transform (DCT)-OFDM system is compared with discrete wavelet transform (DWT)-OFDM system in a ...
Detection and Classification of EEG Waves
... This study has been carr ied out to calculate the EEG waves (delta, theta, alpha, and beta) using Discrete Wavelet Transforms (DWT) followed by discrete Fast Fourier Transform (FFT). It ...
THE ROLE OF INFORMATION TECHNOLOGY ON THE GROWTH OF FIRMS: A VALUE ADDED ONSIDERATION
... In Embedded and wireless communication systems, the use of DWT (Discrete Wavelet Transform) and FFT (Fast Fourier Transform) algorithms based modules has been significant. Of late, in a ...
Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms
... the discrete fast Fourier transform (DFT) and then applied to other integral transforms such as the discrete Hartley transform (DHT), the discrete co- sine ...
Hybrid Optical Cryptography and Compressive Sensing Based on Orthogonal Matching Pursuit
... using Fourier-related fast transforms such as discrete Fourier transform (DFT), discrete cosine transform (DCT), real sinusoidal Transform (RST), Haar wavelet ...
Study and Analysis of Fourier Transformation
... Convolution, Discrete Fourier Transform, Fast Fourier Transform, Fourier Series, Fourier-Stieltjes Transform, Fourier Transform--1, ...
Implementation and Contrasting Comparision of Transform Techniques of OFDM
... The fast Fourier transform (FFT) is merely a rapid mathematical method for computer applications of ...the discrete Fourier spectrum exists only at discrete ...this ...
Development of a diagnostic tool based on Continuous Scanning LDV output spectra
... This thesis describes the development of a diagnostic tool using the output spectra of the CSLDV method. The focus of the study lies on cantilever structures, where one end of a beam is clamped, and the other end is ...
Facial Expression Recognition
... K-L Transform or Hotelling transform is also called as Eigenvector ...K-L Transform is based on statistical properties of the image and has several important properties that make it useful for image ...