Biblioteca Digital

926 resultados para Signal Processing, EMD, Thresholding, Acceleration, Displacement, Structural Identification

Testing for Stationarity in the Frequency Domain Using a Sphericity Statistic

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SVD-based Technique for Enhancing the Time-frequency Representation of Signals

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Condition Monitoring of Low Speed Bearings: A Comparative Study of the Ultrasound Technique versus Vibration Measurements

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Texture Classification Using Gabor Energy Features and Higher Order Spectral Features: A Comparative Study

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Robustness to expression variations in fractal-based face recognition

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Efficient Implementation of Short Wordlength FIR Digital Filters in FPGA

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Separating More Sources Than Sensors Using Time-Frequency Distributions

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Performance Analysis of Multiple Input Multiple Output OFDM Based Mobile Computer Systems

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A New Audio Coder using a Warped Linear Prediction Model and the Wavelet Transform

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An Improvement to the Multiple Window Spectrogram Using Quadratic Time-Frequency Distributions

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Wideband Audio Compression Using a Combined Wavelet and QLPC Representation

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A 3D Acquisition and Modelling System

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The Importance of Accurate Velocity Estimation in Designing Handover Algorithms for Microcellular Systems

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Newborn EEG Simulation from Nonlinear Analysis

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An Algorithm for Estimating Time-Varying Doppler at Low SNR

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