non-Gaussian additive noise
Detection and Localization of Transient Sources: Comparative Study of Complex-Lag Distribution Concept Versus Wavelets and Spectrogram-Based Methods
... the non-Gaussianity of a compo- ...with additive white Gaussian noise, HOS allow to detect them by giving high values for transient components that are over- Gaussian and putting to ...
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Improved preclassification non local-means (IPNLM) for filtering of grayscale images degraded with additive white Gaussian noise
... Considering the literature survey, we assume that there are two ways to establish the window sizes; one is select the values proposed by previous authors or evaluate experimen- tally different sizes and choose the one ...
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A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels
... subblock noise symbols due to an additive noise on the propagation channel become uncorrelated Gaussian random variables with same variances for a wide range of additive noise ...
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Referenceless image quality assessment by saliency, color-texture energy, and gradient boosting machines
... AGN: Additive gaussian noise; ANCC: Additive noise in color components; BMP: Bit map; BMS: Boolean Map Saliency; BRISQUE: Blind/referenceless image spatial quality evaluator; CA: ...
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The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)
... is design by the engineers, so transmitter must be coordinated with a receiver.In communication synchronization is done with the known center frequency transmited by the transmitter signal,so that we can receive our ...
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Robust Parametric Modeling of Speech in Additive White Gaussian Noise
... the noise. Generally, these noise-compensation methods [12]-[16] involve iterative schemes which use a set of statistical equations for estimating the parameters of the rational model being ...a ...
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International Journal of Computer Science and Mobile Computing
... the noise is a stationary additive white Gaussian (AWGN) ...the noise is often time-varying, correlated and ...impulsive-type noise and for acoustic noise, which is ...
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Bit Error Rate and Signal to Noise Ratio Performance Evaluation of OFDM System with QPSK and QAM M-array Modulation Scheme in Rayleigh, Rician and AWGN Channel Using MATLAB/Simulink
... The fading that occurs in the channels are of different types ranging from Large scale fading and Small scale fading in a multipath system. In the large-scale fading, the received signal power varies gradually as a ...
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A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... of additive white Gaussian noise, maximal ratio combining (MRC) is a theoretically optimal combiner over fading channels in which the received signals from different paths are combined so as to ...
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Performance of AWGN Channel Using Least Squar...
... White Gaussian Noise (AWGN) is a channel model in which only impairment to communication is a linear addition of wideband or white noise with a constant spectral density and a Gaussian ...
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Adaptive Electronic Dispersion Compensator for Chromatic and Polarization-Mode Dispersions in Optical Communication Systems
... with additive Gaussian ...dominant noise is optical noise (ASE). Due to the non-Gaussian nature of op- tical noise after nonlinear quadratic detection, the LMS is no ...
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Vol 2, No 10 (2014)
... correct non-uniform illumination of ...random additive Gaussian noise while retaining as much as possible the important image ...random noise removal is to suppress the noise ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT INVESTIGATIONS ON THE PERFORMANCE ENHANCEMENT OF SELF ENCODED SPREAD SPECTRUM IN WIRELESS COMMUNICATION Kavitha Rani*, Dr.S Suresh Babu
... and receiver. Instead of going for a design trade-off by incorporating pseudo-random sequences, a chaotic sequence generator is proposed. Chaotic signals possess many properties that make them fit for SS communications. ...
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Improved Non-Local Means Algorithm Based on Dimensionality Reduction
... v(i)=u(i)×n(i). (1.2) Here, u(i) is the “original” value, n(i) is the “noise” value and v(i) is the “observed” value at pixel i. Reducing noise is of great benefit for many applications such as face ...
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GLR Detector for Coded Signals in Noise and Interference
... the noise variance and the interference ...the noise parameters are known, while, in practice, they may not be available to the ...white Gaussian noise ...
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Compressive Modulation In Digital Communication Using QPSK
... to Noise ratio, cost, effectiveness and ease implementation, but one of the important parameter that is being chosen since from very long time is bandwidth ...
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Types of noise (1) Gaussian Noise:-Additive noise is one of the most common problems in image processing. Even a high
... 1) Gaussian Noise:-Additive noise is one of the most common problems in image ...some noise in ...real-time noise reduction is still a subject of many ...
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Image volume denoising using a Fourier wavelet basis
... The use of multiresolution image representations in the re- storation of noisy images dates back to the late 1980’s [1], in which a statistical estimator based on a simple quadtree image model was used in smoothing ...
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PERFORMANCE COMPARISON OF BIT ERROR RATE FOR BPSK AND DS-BPSK FOR AWGN AND RAYLEIGH CHANNELS
... Due to the increasing bandwidth requirement the performance of digital modulation techniques have been frequently evaluated by researchers in past. Syed Md. Asif, et al [3], discussed about the fading problem in their ...
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ZigBee Signal Phase Tracking Using a Discrete Kalman Filter Estimator under AWGN Channel
... The objective of this paper is to track BPSK modulated signal phase by dis- crete Kalman Filter in ZigBee receivers in the presence of Additive White Gaus- sian Noise (AWGN) channel. This paper has been ...
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