discrete Fourier transform technique
Review on FPGA based OFDM System Implementation using FFT
... using Fourier Transform and the signals are converted back from frequency domain to the time domain with using Inverse Fourier ...the Fourier transform is an effective tool. If the ...
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Fast Discrete Fourier Transform Computations Using the Reduced Adder Graph Technique
... The overall adder budget now consists of three parts: (a) the multiplier-block adders, used for CSD, MAG, or RAG coding; (b) the two output adders required to compute the complex multiplier outputs; and (c) the 2 ...
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Title: COMPARISON OF DWT AND DFT FOR ENERGY EFFICIENCY IN UNDERWATER WIRELESS SENSOR NETWORKS
... novel technique of data compression while data transmission from one sensor node to other ...and Discrete Fourier Transform (DFT) algorithm is ...
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PAPR Reduction in UF OFDM and F OFDM 5G Systems using ZCT Precoding Technique
... For 5G systems, mm-wave communication is envisioned to be the key component to meet the demands of high data rates, high spectral efficiency and low latency [5]. For 5G mm-wave communication, selection of waveform is an ...
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Implementation and Contrasting Comparision of Transform Techniques of OFDM
... 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 circuits at a ...
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Complexity Analysis and Accuracy of Image Recovery Based on Signal Transformation Algorithms
... Fast Fourier Transform (FFT), Discrete Cosine Transform (DCT), Discrete Wavelet Transform (DWT) and Gabor Filter has been implemented for feature extraction of ...
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A DSP Technique for Prediction of Cancer Cell
... Previously, discrete Fourier transform (DFT) power spectrum was used to predict cancer cells of a DNA ...paper, discrete cosine transform (DCT) and discrete sine transform ...
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Study on the Analysis and Optimization of Brake Disc: A Review
... (Discrete Fourier Transform) was first developed in the 1960s, only in modern time, it has been accepted as an exceptional technique for high-speed cellular data communication where its ...
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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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Discrete Fourier Transform: Approach To Signal Processing
... ABSTRACT: There are three different way to calculate DFT. First method is using formula of DFT or simultaneous equation. Second is Correlation technique and third one is using Fast Fourier Transform ...
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On semisimple algebra codes: generator theory
... seems natural to impose to the code some extra structure such as been a subalgebra of A. In this case we will have codes that have a Mattson-Solomon transform treatment as the classical cyclic codes. Moreover, the ...
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Replay attack detection with auditory filter-based relative phase features
... cosine phase feature was proposed and outperformed the MGD feature. Unlike the MGD feature, the phase infor- mation of the cosine phase feature is computed using only phase information. However, the cosine phase does not ...
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Study and Analysis of Fourier Transformation
... de Fourier came up with this piece of maths in his thirties after puzzling over problems with ...that fourier analysis is used in almost every aspect of the subject ranging from solving linear differential ...
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Image steganography using least significant bit and secret map techniques
... Yaghoobi [21] proposed the use of a simple logistic map to hide secret images in host images. Embedding was performed in the logistic map to determine the blocks of pixels. Roy, Sarkar and Changder [22] presented ...
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Power Quality Analysis Using Wavelet Transform: A Review
... as Fourier transform, S-transform, time-time transform, higher-order statistics have also been used to find out other salient ...Traditionally, Fourier transform is used for ...
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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 transform ...
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A Grüss Type Inequality for Sequences of Vectors in Normed Linear Spaces and Applications
... A discrete inequality of Gr¨ uss type in normed linear spaces and applications for the discrete Fourier transform, Mellin transform of sequences, for polynomials with coefficients in nor[r] ...
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MODERN DESIGN OF 16 POINT FFT ALGORITHM USING GRAPH TECHNIQUE FOR OFDM RELEVANCES
... DFT and FFT are widely using transforms in the applications of DSP. These are useful where filtering and correlation is needed. In this article, we are going to present 16 point FFT (Fast Fourier Transform) ...
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Chaos Based Video Security using Multicore Framework
... We are living in a digital era. Terry bytes of digital data are generated everyday, in Internet, newspapers, e-mails, mobile phones, etc. Even the cost of hardware devices such as smart phones are tumbling. Almost all ...
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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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