fast Fourier transform technique
Optimal Synthesis of Thinned Arrays Utilizing Fast Fourier Transform Technique
... A concept of array thinning has been explained in this work to focus on the improvement of gain of the antenna array and to feature minimum Peak Side lobe Level. An iterative FFT procedure is applied on the Linear and ...
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An Integrated Skew Detection And Correction Using Fast Fourier Transform And DCT
... using Fast Fourier Transform technique it is easy to process the image and its further calculations such as skew angle, speed, time ...This technique based upon removal of certain range ...
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Fast Fourier Transform Using Advanced Processor
... The orthogonality allows for efficient modulator and demodulator implementation using the FFT algorithm on the receiver side, and inverse FFT on the sender side. Although the principles and some of the benefits have been ...
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Improved Image Watermarking using Fast Fourier Transform and Arnold Transform based SVD Technique
... proposed technique and Effect of Gamma Correction on Watermarked color Image of Proposed Technique Figure ...proposed technique after Gamma Correction ...
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Implementation and Contrasting Comparision of Transform Techniques of OFDM
... The fast Fourier transform (FFT) is merely a rapid mathematical method for computer applications of ...this technique, and the technology that allows it to be implemented on integrated ...
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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 ...
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Study Of Hopfield Neural Network For Fingerprint Verification Based On Fast Fourier Transform
... proposed technique principally involves image pre-processing by enhancing the fingerprint image, extracting the features by Fast Fourier Transform, storing these extracted features of patterns ...
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Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique
... This paper deals with the implementation of two alterna- tives of fast DFTs via a transformation into an FIR filter. The methods are called a Rader DFT algorithm and a Bluestein chirp-z transform. We will ...
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Fast Fourier Transform Pipeline Architecture for OFDM
... OFDM technique is easier to understand and implement, and the sub-channels can be independently adapting in other ways than varying equalization coefficients, such as switching between different QAM constellation ...
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Parameterized Spectral Bathymetric Roughness Using the Nonequispaced Fast Fourier Transform
... In his work with spectra based on profiles, Fox (1985) and Fox and Hayes (1985) employed a suitable province picker from Davis (1974) and the amplitude spectrum as the statistical indicator of roughness. The amplitude ...
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VLSI Implementation of Pipelined Fast Fourier Transform
... Discrete Fourier transform (DFT) is a very important technique in modern digital signal processing (DSP) and telecommunications, especially for applications in orthogonal frequency demodulation ...
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Integration Mechatric Components of Laser Triagulation for 3D Digitalization of The Object
... using Fast Fourier Transform (FFT) and Operational deflection shape (ODS) technique and the data being verify which gives the natural frequency at ...
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Development Of Speech Recognition System: Using Combination Of Vector Quantization And Linde-Buzo-Gray Algorithm
... In this research work, Vector Quantization technique has been used. This technique is beneficial in data reduction. It generates optimal codebooks. The testing is evaluated by all the codebooks and system ...
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Fast Fourier Transform Approach for Signal Analysis
... processing, Fourier spectroscopy, image processing, and the solution of differential ...of Fourier methods to problems which, due to computational effort, would not be tractable were it not for the use of ...
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On Some Applications of the Fast Discrete Fourier Transform »
... FastFourierFit takes four arguments: the first one is the periodic function or, in gen- eral, the list of data points which we want to fit; the second argument is the period L of the function; the third argument is the ...
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Evaluation of alternative approach for suspension corner damping by the use of hydraulic top mounts
... the Fourier series method, the same cannot be done in the case of a general aperiodic input since it can only be written as the sum of an infinite number of harmonics leading to non-causal results ...
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Measuring Tail Dependence for Aggregate Collateral Losses Using Bivariate Compound Shot Noise Cox Process
... Laplace transform of the distribution of the aggregate collateral losses is derived and joint Fast Fourier transform is used to obtain the joint distributions of aggregate collateral ...
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Nonlinear and Non-stationary Vibration Analysis for Mechanical Fault Detection by Using EMD-FFT Method
... In order to detect the mechanical defects, a technique based on empirical mode decomposition (EMD) and fast Foureir transform (FFT) was proposed. The notable trait of this method is its ability to ...
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Enhancement of Retinex Algorithm using Fast Fourier Transform
... which is large enough to fully describe the spatial domain image. Once the image is transformed into the frequency domain, filters can be applied to the image by convolution. FFT turns the complicated convolution ...
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Hybrid Optical Cryptography and Compressive Sensing Based on Orthogonal Matching Pursuit
... a fast transform such as discrete Fourier transform (DFT), discrete cosine transform (DCT), real sinusoidal transform (RST), Haar wavelet transform, Hadamard ...
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