[PDF] Top 20 The Wavelet Transform-Domain LMS Adaptive Filter Algorithm with Variable Step-Size
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The Wavelet Transform-Domain LMS Adaptive Filter Algorithm with Variable Step-Size
... Haar wavelet transform (HWT) was used in all simulations which leads to the reduction of computational complexity due to the elements (+1 and -1) in ... See full document
6
A Review on Transform Domain Adaptive Filters
... length adaptive filter is divided in to small sub filters for making it convenient to use in acoustic echo cancellation ...hybrid algorithm was implemented. Hybrid algorithm has fast ... See full document
5
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 ... See full document
6
SUPPRESSION OF POWERLINE INTERFERENCE IN ECG USING ADAPTIVE DIGITAL FILTER
... of adaptive noise canceller (ANC) with variable step size parameter and LMS algorithm for the elimination of powerline interferences in the recording of EEG ...a variable ... See full document
9
Adaptive Speech Enhancement Technique using Time Variable LMS Algorithm
... changeable step size for standardized sub-band adaptive filters is drawn by reducing the mean-square separation among the minimal weight vector and guessed weight vector at every point can ... See full document
6
Chromatic dispersion compensation in coherent transmission system using digital filters
... look-up filter comprises two steps [12,13]. The first step is to utilize a blind adaptive FDE to estimate the accumulated chromatic dispersion in the transmission system, which has already been ... See full document
16
A Modified Algorithm with Variable Step Size for Blind Equalization of QAM Signals
... Variable Step Size (VSS) for constant modulus algorithms VSS-CMA have been used extensively in blind adaptive filtering to improve the performance of the fixed step size ... See full document
9
The Comparative Study of Adaptive Channel Equalizer Based on Fixed and Variable Step - Size LMS Algorithm & its Variants for Non Stationery Wireless Channel
... system. Adaptive linear filter and various categories of training algorithms are used to imitate different equalizer ...linear adaptive channel equalizer trained by using gradient decent ... See full document
6
A variable step size gradient adaptive lattice algorithm for multiple sinusoidal interference cancelation
... sinusoids, adaptive noise cance- lation (ANC) techniques can be used ...ANC algorithm should be able to form narrow notches in order to filter out self-interference without distorting the low-power ... See full document
10
Variable Step LMS Algorithm Using the Accumulated Instantaneous Error Concept
... Unfortunately doing the transition manually is not practical way of doing the transition from one step size to another. The MSE gradient is a good measure for the break point. Actually the gradient will be ... See full document
5
Variable step size LMS adaptive filter for digital chromatic dispersion compensation in PDM QPSK coherent transmission system
... square adaptive filter has been developed for chromatic equalization in a 112-Gbit/s polarization division multiplexed quadrature phase shift keying coherent optical transmission system established on the ... See full document
9
Adaptive Denoising of ECG Signal using Wavelet-based Wiener Filter and LMS Filtering
... of Wavelet Transform (WT) can be effective for suppressing EMG (muscle) noise compared to linear filtering as it provides information about both time and frequency characteristics ...proposed ... See full document
8
Variable Step size LMS Algorithm Based on Discrete Cosine Transform for Voice Signal Denoising
... With the rapid development of communication technology, people's demand for quality of voice signal is growing daily, As a specific branch of adaptive signal processing, Adaptive noise cancellation ... See full document
6
Performance Analysis of Cascaded Adaptive Algorithms for Noise Cancellation in Speech Signal
... novel algorithm for cancelling noise from the speech signal is ...(LMS) adaptive noise cancellers are widely used to recover signal corrupted by additive noise due to its simplicity in ...square ... See full document
10
Analysis the results of Acoustic Echo Cancellation for speech processing using LMS Adaptive Filtering Algorithm
... In a teleconferencing environment, speech by the near end speaker is often captured by the far end microphone and being sent back to him as echo. For acoustic echo cancellation, the initial speech transmitted to the far ... See full document
5
A nonparametric variable step-size subband adaptive filtering algorithm for acoustic echo cancellation
... Various adaptive filtering algorithms are applied to the AEC system [1-6] , the basic principle of which is through building an echo path of impulse response signal to generate an electronic replica of the real ... See full document
6
DCT based Performance Enhancement of Adaptive Filter for Audio Signals
... RLS adaptive filter algorithm repeatedly finds the filter coefficients that minimize weighted linear least squares cost function relating to the input ...RLS algorithm requires more ... See full document
6
Constrained Blind Separation Algorithm Using Variable Step Size and Variable Momentum Factor
... separation algorithm is mainly for the instantaneous mixing problem in the stable ...the algorithm has strong tracking performance, but the traditional algorithm can’t meet the ...separation ... See full document
8
Performance Image Compression using Lifting based EEWITA
... transmitted bits). we can estimate the high-pass coefficients to be zeros (and hence avoid computing them) and incur minimal image quality loss. This approach has two main advantages. First, because the high-pass ... See full document
8
Convergence Rate Improvement and Interference Reduction in Smart Antenna System
... The adaptive beamforming algorithms are used for producing a maximum narrow beam in the desired direction and at the same time nulls in other ...existing adaptive beamforming algorithm that is ... See full document
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