discrete Fourier transform techniques
Various epileptic seizure detection techniques using biomedical signals: a review
... rational transform in seizure detec- ...fusion techniques [6] gives better results in seizure detection ...nonlinear techniques is made in ...rational transform is more efficient than wavelet ...
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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- ...Hartley ...
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CAS: The Discrete Fourier Transform and Cyclical Overflow
... several techniques for deriving probability dis- tributions for S, the discrete Fourier transform (DFT) is arguably the most elegant and powerful when severity X is both discrete and ...
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Design of FIR Filter Using Discrete Wavelet Transform for ECG Compression
... different transform techniques such as the Karhunen–Loeve transform, Fourier transform, Cosine transform, sub band-techniques, vector quantization (VQ), and more recently ...
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Chaos Based Video Security using Multicore Framework
... encryption techniques to securitize them. The scrambling is done in discrete cosine transform domain, discrete Fourier transform domain, and spatial ...
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Effect of Secret Image Transformation on the Steganography Process by using LSB & DCT Techniques
... earliest techniques used for the secret image data embedding in audio signals and other media ...image. Transform domain image steganography methods are the ones in which various transform domains ...
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Design and Implemetation of OFDM System and Reduction of Peak to Average Power Ratio by Hybrid of Hadamard Coding and DAPSK Modulation with Redundant Discrete Wavelet Transform
... reduction techniques, but existing model combines Hadamard coding and DAPSK modulation with discrete fourier transform (DFT) and discrete cosine transform (DCT) and the proposed ...
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PAPR Reduction in UF OFDM and F OFDM 5G Systems using ZCT Precoding Technique
... reduction techniques such as Discrete Fourier Transform (DFT), Discrete Cosine Transform DCT) and Zadoff-Chu Transform (ZCT) are implemented using MATLAB for F-OFDM and ...
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Image steganography using least significant bit and secret map techniques
... steganographic techniques. Common steganographic techniques are steganography in texts, images, audio and ...through discrete cosine transform, fast Fourier transform and ...
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DSP Applications for Genomic Sequences
... (DSP) techniques uses a set of mathematical tools to analyze and process signals, among them can be mentioned as Discrete Fourier Transform, Z transform, Digital Filters, Parametric ...
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Telugu Speech Enhancement In Terms Of Objective Quality Measures Using Discrete Wavelet Transform With Hybrid Thresholding
... is transform domain ...includes techniques such as LPC based digital filtering, Hidden Markov Model (HMM), and Kalman ...the transform domain techniques, signals are first transformed into a ...
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A Review on Protection Techniques used in HVDC Transmission Line Shweta Mahajan , Prof. S. U. Kulkarni
... consider Discrete Fourier Transform technique to evaluate the fundamental component through the external signal interruption data comprising fundamental as well as non-fundamental frequency signal ...
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Review on FPGA based OFDM System Implementation using FFT
... In FPGA Implementation of MIMO-OFDM Transceiver paper of K. Srinandhini and V. Vaithianathan, they explained Orthogonal Frequency Division Multiplexing (OFDM). FDM modulation is a guaranteed process for high data rate ...
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Performance Study of Several Methods and Selected Wavelets for Image Compression
... the Fourier transform in addition to the wavelet transform is to take a observe the root function veil of the time-frequency ...that Fourier transform, where the slit is plainly a ...
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MODERN DESIGN OF 16 POINT FFT ALGORITHM USING GRAPH TECHNIQUE FOR OFDM RELEVANCES
... FFT processor is a first designed chip. In OFDM transmitter and receiver it is positioned at the centre. Butterfly operations will have to do for the result. These butterfly operations are the building blocks of FFT. In ...
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Replay attack detection with auditory filter-based relative phase features
... Phase-based features have also been successfully used for synthesized and converted speech detection [23, 24]. One of the most commonly used phase feature is the modified group delay (MGD)-based feature [11]. Typi- ...
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Complexity Analysis and Accuracy of Image Recovery Based on Signal Transformation Algorithms
... Abstract: In this paper we compare and analyze the complexity of three functions: Fast Fourier transform (FFT), Discrete Cosine Transform (DCT) and Discrete Wavelet 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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Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms
... This paper presents a method that performs function evaluation by means of successive iterations on a recursive formula. This formula is a weighted sum of two operands and it can be considered as a primitive operation ...
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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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