real discrete Fourier transform
Hybrid Optical Cryptography and Compressive Sensing Based on Orthogonal Matching Pursuit
... fast transform such as discrete Fourier transform (DFT), discrete cosine transform (DCT), real sinusoidal transform (RST), Haar wavelet transform, Hadamard ...
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Implementation and Contrasting Comparision of Transform Techniques of OFDM
... The Discrete Hartley Transform is closely related to the Discrete Fourier Transform, but unlike the DFT, the DHT has the advantage of producing real numbers and it is (quasi- ...
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Chaos Based Video Security using Multicore Framework
... the Fourier transform, a complex input (having real and imaginary part) is ...A Discrete Fourier Transform (DFT) is applied to the two channel complex ...into real and ...
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ELECTROENCEPHALOGRAPHY (EEG) SIGNAL ENHANCEMENT AND ANALYSIS USING WAVELET TRANSFORM
... the Discrete Wavelet Transform (DWT) with Fast Fourier Transform ...Various real EEG data sets have been tested and the results recover the validity of the proposed ...
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Performance Study of Several Methods and Selected Wavelets for Image Compression
... The discrete cosine transform (DCT) is using only real numbers and DCT is a Fourier-correlated transform equivalent to the discrete Fourier transform ...on ...
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Numerical Approximation of Real Finite Nonnegative Function by the Modulus of Discrete Fourier Transform
... of real finite nonnega- tive function with respect to two variables by the mod- ulus of double discrete Fourier transform dependent on physical parameters, is widely used, in particular, at ...
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Telugu Speech Enhancement In Terms Of Objective Quality Measures Using Discrete Wavelet Transform With Hybrid Thresholding
... is transform domain ...the transform domain techniques, signals are first transformed into a new domain and then noise attenuation is performed on the transformed ...are Fourier Transform ...
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Review Paper on Discrete Hartley Transform using Different types of Multiplier
... hybrid transform and hybrid wavelets generated using respective component ...Kekre transform (DKT) is paired with Hartley transform, Discrete Sine Transform and Real ...
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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, ...
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Discrete Fourier Transform: Approach To Signal Processing
... of Fourier methods to problems which, due to computational effort, would not be tractable were it not for the use of the DFT-FFT ...the real-time digital Fourier ...
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PAPR Reduction in UF OFDM and F OFDM 5G Systems using ZCT Precoding Technique
... as Discrete Fourier Transform (DFT), Discrete Cosine Transform DCT) and Zadoff-Chu Transform (ZCT) are implemented using MATLAB for F-OFDM and UF-OFDM ...Zadoff-chu ...
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Review on FPGA based OFDM System Implementation using FFT
... inverse discrete Fourier transform (IDFT) for an optical orthogonal frequency division multiplexing (O-OFDM) transmitter for a bit rate of ...fast Fourier transform (IFFT) which is of ...
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MODERN DESIGN OF 16 POINT FFT ALGORITHM USING GRAPH TECHNIQUE FOR OFDM RELEVANCES
... As the FFT processor’s process is going on there is need to store or to generate control signals at every level of processing. For that this machine has needed. It stores or generates all the control signals, and its ...
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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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Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms
... integral transform maps an equation from its original domain (time or space domain) into another domain (frequency ...a discrete integral trans- form where f (x), 0 ≤ x < N, and F(u), 0 ≤ u < N , are ...
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Title: COMPARISON OF DWT AND DFT FOR ENERGY EFFICIENCY IN UNDERWATER WIRELESS SENSOR NETWORKS
... Wafa Elmannai et. al.[2014] focused on the major issue of power consumption and short battery life of underwater sensor networks. Thus to overcome this problem ,author proposed a novel technique of data compression while ...
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On semisimple algebra codes: generator theory
... In this paper we have shown a generator theory for codes defined as subalgebras of semisimple algebras. This class of codes contain some well known codes as cyclic codes or abelian codes. Usual treatment of this type of ...
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There Is Only One Fourier Transform
... one Fourier transform” ac- tually needs no ...the Fourier Series of a continuous func- tion and calculating its Fourier Transform? (2) What is the difference between ...
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DSP Applications for Genomic Sequences
... ABSTRACT: Digital Signal Processing (DSP) techniques are being used for the analysis as biological sequences form discrete nature. This paper attempt to develop effective DSP based techniques for biological ...
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Title: PERFORMANCE ANALYSIS OF IMAGE COMPRESSION USING DCT AND DWT
... Abstract— Image compression is a key technology in transmission and storage of digital images because of vast data associated with them. This research suggests a new image compression scheme with pruning proposal based ...
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