fractional Fourier transform algorithm
An efficient and accurate GB-SAR imaging algorithm based on the fractional Fourier transform
... Also, the algorithm is tested on the data of the real experi- ment acquired by IBIS-L GB-SAR system. The site is located at the Kawauchi campus of Tohoku University, Sendai, Japan, as shown in Fig.10. The IBIS-L ...
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An Effective Strategy for Defense & Medical Pictures Security by Singular Value Decomposition
... This paper is presented as follows: A short review on Fractional Fourier Transform along with SVD . We talk about the suggested algorithm to produce shares and encrypted digital pictures with ...
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An efficient image compression algorithm with...
... conventional Fourier transform and the fractional Fourier transform has recently shown its potential in the field of optical security ...an algorithm to compress the image using ...
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Target Classification with Low-Resolution Radars Based on Multifractal Features in Fractional Fourier Domain
... optimal transform orders in order to determine the optimal transform Fourier domains of FrFT and then adopt the multifractal theory to extract the multifractal features for target ...the ...
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Image Change Detection by Means of Discrete Fractional Fourier Transform
... The transform domain techniques may include change detection using DCT, Discrete Fourier Transform (DFT) but we propose here a new change detection algorithm using the Fractional ...
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A New LFM-Signal Detector Based on Fractional Fourier Transform
... time Fourier transform (STFT) or wavelet transform are mentioned in [1, ...chirp- Fourier transform is employed in [3] to estimate the chirp rate of ...Radon-Wigner transform ...
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Properties of Airy-Gauss Beams in the Fractional Fourier Transform Plane
... versus fractional order p is ...versus fractional order p is ...of fractional order p in the first half period, the centre of gravity, linear momentum, and kurtosis parameter increase, while the ...
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Optimal Step Size for the Adaptive Least-Mean Squares Algorithm Applied in the Fractional Fourier Transform Domain for Efficient Signal Estimation in Interference and Noise
... We present simulation examples to demonstrate the validity of Eq. (13) for computing the optimum step size of the LMS algorithm in the FrFT space. The first example is a binary phase shift keying (BPSK) signal in ...
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IMAGE ENCRYPTION USING FRACTIONAL FOURIER TRANSFORM IN DRPE SCHEME
... plane, fractional Fourier transform proves to be a better ...an algorithm for the digital implementation of fractional Fourier transform ,(FRFT )offers an extra degree of ...
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Techniques for Solving a Certain Class of Partial Differential Equation by Fractional Fourier Transform
... using fractional powers of the Fourier Transform on the Schwartz space (Bailey and Swartzrauber, 1991) compute the Fractional Fourier transforms using Fast Fourier Transforms ...
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Performance Analysis of Fractional Redundant Wavelet Transform for Watermarking Scheme
... an algorithm for digital image watermarking which utilizes the hybridization technique is ...Wavelet Transform (RDWT) with Fractional Fourier Transform (FrFT) and Singular Value ...
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Rotation Invariant Texture Analysis Using Radon and Fractional Fourier Transform
... sensitive to noise. Extracting and/or constructing such features is still a challenge facing researchers today. A wide variety of techniques for describing image tex- ture have been proposed [29, 26]. Among many dif- ...
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Application of the Fractional Fourier Transform to Moving Train Imaging
... The fractional Fourier transform (FrFT), as a generalization of the classic Fourier transform (FT), has good energy concentration on linear frequency modulation (LFM) signals [1, ...
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A robust and efficient scheme for image encryption-decryption
... Wavelet Transform, fractional Fourier transform and use chaotic logistic map, Tent map and Kaplan-Yorke ...as Algorithm 1, Algorithm 2 and Algorithm 3 respectively ...
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Using EMD-FrFT filtering to mitigate high power interference in chirp tracking radars
... Abstract—This letter presents a new signal processing sub- system for conventional monopulse tracking radars that offers an improved solution to the problem of dealing with manmade high power interference (jamming). It ...
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REVIEW PAPER ON FRACTIONAL FOURIER TRANSFORM
... 4. Signal Processing & Image Processing:-Signal processing is a method that encompasses the fundamental theory, applications, algorithms and implementations of processing or transferring information in different ...
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Convolution Theorem for Generalized Two Dimensional Fractional Sine Transform
... of fractional transforms to generalized function have been done time to time and their properties have been studied by various ...mathematicians. Fourier transform is a very powerful tool for ...
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Performance Evaluation of Image Fusion Using Fractional Transforms
... The fractional wavelet transform (FRWT) is a new time frequency analysis ...the fractional Fourier transform and the wavelets transform merits, so it has multi-resolution and ...
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A new measurement algorithm for PMU in power system based on all phase Fourier transform
... discrete Fourier transform method, zero-crossing detec- tion method, and Kalman filtering method [7, ...discrete Fourier transform (DFT) for stationary signal, this method is widely applied at ...
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Satellite Image Compression using Fractional Fourier Transform
... It is conclude that, a technique for Satellite image compression using DFrFT makes the full use of the additional degrees offreedom provided by the fractional orders to achieve an optimum domain for which CR is ...
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