additive Gaussian white noise
Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain
... the noise standard deviation. Noise occurs when scanning the drawn image for making the cartoon ...the noise to the extent of the problem and it helps cartoon related noise ...of noise ...
8
Frame By Frame Digital Video Denoising Using Multiplicative Noise Model
... Three Additive White Gaussian Noise (AWGN) corrupted vid- eos namely, ...the noise models are considered in ampli- tude ...tiplicative noise nature as are used for denoising the ...
6
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] ...
232
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 ...
8
Multi-way relay networks: characterization, performance analysis and transmission scheme design
... Decode and Forward: DF MWRNs have been investigated in terms of the optimal pair- ing order that maximizes the achievable sum rate [50]. It has been shown in [50] that pairing the ℓ th user with the ( L − ℓ + 1 ) th ...
208
The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)
... the noise is introduced, now the signal is distorted by the unwanted or undesirable signals which are random and ...unpredictable..External noise are generated by channels which are nearby like faults in ...
9
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] ...
13
A Robust Denoising Algorithm for Sounds of Musical Instruments Using Wavelet Packet Transform
... signal, noise, and in facilitat- ing the application of aesthetically interesting and novel modification to specific sound signals ...the additive white Gaussian ...
7
Volume 2, Issue 7, July 2013 Page 458
... of additive white Gaussian noise (AWGN), and different interference signals such as, continuous wave interference (CWI), and matched spectrum interference ...
11
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 ...
8
PERFORMANCE COMPARISON OF BIT ERROR RATE FOR BPSK AND DS-BPSK FOR AWGN AND RAYLEIGH CHANNELS
... In the past two decade wireless communications has gained exponential growth due to increasing number of users and decreasing coast. The high speed digital communication over a wireless media required to understand the ...
7
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 ...
12
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 ...
12
Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... by additive white Gaussian noise [2] is a common problem in image ...remove noise as far as possible as well as preserve ...the noise present in the image while preserving the ...
7
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 ...
5
Translation and Retrieval of Image Information to and from Sound
... Keywords Steganography, Encoding, Decoding, Data Security, Information Hiding, Image to Sound Mapping, Additive White Gaussian Noise, RGB Values, Correlation, Degradation... INTRODUCTION[r] ...
6
Simulation and Evaluation of Shrinkage Techniques for Image De-noising under Additive White Gaussian Noise (AWGN)
... Bayes Shrink [7] was proposed by Chang, Yu and Vetterli [8]. It uses soft thresholding and is subband dependent, which means that thresholding is done at each band of resolution in the wavelet decomposition. It is ...
6
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 ...
7
Robust Parametric Modeling of Speech in Additive White Gaussian Noise
... Under noise-free conditions, or at very high SNRs, the conventional me- thods, such as the Yule-Walker, the Burg, the covariance, and the modified covariance methods [1] provide a fairly close estimation results ...
10
Analysis of Image Denoising using Wavelet Threshold Method
... zero-mean white and homogeneous Gaussian additive noise is to be removed from a given ...with additive white Gaussian Noise at zero mean that are applied on the ...
8