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white Gaussian

Characteristic Analysis of White Gaussian Noise in S Transformation Domain

Characteristic Analysis of White Gaussian Noise in S Transformation Domain

... The characteristic property of white Gaussian noise (WGN) is derived in S-transformation domain. The results show that the distribution of normalized S-spectrum of WGN follows χ 2 distribution with two ...

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Robust Parametric Modeling of Speech in Additive White Gaussian Noise

Robust Parametric Modeling of Speech in Additive White Gaussian Noise

... additive white Gaussian noise (AWGN), a typical parameter compensation method involves using a minimal set of Yule-Walker equation evaluations and removing a noise variance estimate from the principal ...

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The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)

The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)

... of white noise [9]. White noise has a flat power spectral density which covers all frequency components ...the white noise follows a guassian or normal guassian distribution which seems to be like a ...

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An Effective Enhancement Method for Satellite Images Using AHE-RWT Technique

An Effective Enhancement Method for Satellite Images Using AHE-RWT Technique

... example, white Gaussian commotion, dot noise, speckle noise(multiplicative noise) and in various pictures antiques modalities will degenerate the pictures, furthermore there are numerous debasements, for ...

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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

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

... Spread spectrum systems are employed for the secure transmission of digital information which is achieved through spreading the signal in frequency domain. Pseudo-Noise (PN) sequences are conventionally used for this ...

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Detection of continuous-time quaternion signals in additive noise

Detection of continuous-time quaternion signals in additive noise

... Different kinds of quaternion signal detection problems in continuous-time by using a widely linear processing are dealt with. The suggested solutions are based on an extension of the Karhunen-Lo`eve expansion to the ...

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A Novel Simulation Approach of Aircraft Dynamic RCS

A Novel Simulation Approach of Aircraft Dynamic RCS

... It is concluded that the fluctuation resulting from random vibration can be described by white Gaussian distribution. With different flight paths and motion parameters, it may obey the Gaussian ...

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Efficient analysis of medical image de noising for MRI and ultrasound images

Efficient analysis of medical image de noising for MRI and ultrasound images

... This project describes different methodologies for noise reduction (or de-noising) giving an insight as to which algorithm should be used to find the most reliable estimate of the original image data given its degraded ...

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Time of Arrival (TOA) Based Radiolocation Architecture in CDMA Systems and Its Performance Analysis

Time of Arrival (TOA) Based Radiolocation Architecture in CDMA Systems and Its Performance Analysis

... So, the precision of the estimation is depended on the number samples per chip (i.e. sampling rate). To study the effect of variation of Eb/No with Additive White Gaussian Noise on th[r] ...

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A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels

A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels

... 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 maximize the ...

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Mobile Radio Communications: Second and Third Generation Cellular and WATM Systems: 2nd

Mobile Radio Communications: Second and Third Generation Cellular and WATM Systems: 2nd

... Second Generation Third Generation Auto Correlation Advanced Communications Technology and Services Association of Radio Industries and Businesses Additive White Gaussian Noise Broadcast[r] ...

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Comparative Study based on Transform Techniques for Signal Detection

Comparative Study based on Transform Techniques for Signal Detection

... For better evaluating the performances of the above methods, we provide quantitative analysis of the results for mono- component chirp detection in white Gaussian noise with different SNRs. We define a grid ...

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A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels

A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels

... Abstract—In many communication systems, information carrying symbols are transmitted in blocks with guard intervals between blocks for avoiding inter-block interference. This paper proposes a block transmission system ...

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Bit Error Rate Analysis of Coded OFDM for Digital Audio Broadcasting System, Employing Parallel Concatenated Convolution Turbo Codes

Bit Error Rate Analysis of Coded OFDM for Digital Audio Broadcasting System, Employing Parallel Concatenated Convolution Turbo Codes

... Bit Error Rate (BER), for Digital Audio Broadcasting (DAB) system, employing Coded OFDM with different channel coding schemes. Analysis is carried out for convolution coded and turbo coded data in an Additive ...

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Adaptive Wavelet Packet Decomposition for          Efficient Image Denoising By Using NeighSure
          Shrink Method

Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method

... Abstract — The search for efficient image denoising methods is still a valid challenge.This project presents adaptive wavelet packet(WP) decomposition along with the improved neighboring window method, which can ...

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ZigBee Signal Phase Tracking Using a Discrete Kalman Filter Estimator under AWGN Channel

ZigBee Signal Phase Tracking Using a Discrete Kalman Filter Estimator under AWGN Channel

... The objective of this research is to track the phase changes in Binary Phase Shift Keying (BPSK) modulated signal in ZigBee communication systems us- ing discrete Kalman Filter (KF). Therefore, Kalman Filtering is used ...

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Volume 2, Issue 7, July 2013 Page 458

Volume 2, Issue 7, July 2013 Page 458

... additive white Gaussian noise (AWGN), and different interference signals such as, continuous wave interference (CWI), and matched spectrum interference ...

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International Journal of Computer Science and Mobile Computing

International Journal of Computer Science and Mobile Computing

... In classical communication theory, it assumed that the noise is a stationary additive white Gaussian (AWGN) process. Although for some problems this is a valid assumption and leads to mathematically ...

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Performance of AWGN Channel Using Least Squar...

Performance of AWGN Channel Using Least Squar...

... Additive 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 ...

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Analysis of Image Denoising using Wavelet Threshold Method

Analysis of Image Denoising using Wavelet Threshold Method

... Images are affected by different types of noise. The work presented herein focuses on a zero mean additive white Gaussian noise (AWGN). Zero mean does not lose generality, as a non-zero mean can be ...

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