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905  Articles
1 of 91 pages  |  10  records  |  more records»
In a power system, the analysis of transient signals is the theoretical basis of fault diagnosis and transient protection theory. Shannon wavelet entropy (SWE) and Shannon wavelet packet entropy (SWPE) are powerful mathematics tools for transient signal a... see more

The Campanian volcanism develops near the sea. Therefore, the geophysical study of the marine environment is a key to a better understanding of the tectonic evolution and the origin of volcanism in the area. An abundance of high quality seismic data in th... see more

To process all the pixels in the face image, feature extraction can be performed using the Haar Wavelet method so that it processes identifiers with lower dimensions. However, a classification algorithm must separate the distance between classes with mini... see more

In wireless communications, demand to provide high-speed data services with good performance raises new techniques to increase spectrum efficiency and improved signal quality due to frequency selective fading. OFDM is a multi-carrier technique can be used... see more

The paper develops a hybrid algorithm for predicting a linear dynamic system based on a combination of an adaptive Kalman filter with preprocessing using a wavelet packet analysis of the initial data of the background of the system under study.Being based... see more

This study uses the technique of incognito data and information into a container in the form of images combined with the addition of the password by using the method of Least Significant Bit (LSB) and the method of Haar Wavelet. Testing the system by send... see more

En este arti´culo se presenta un ana´lisis de un sistema multi-biome´trico de reconocimiento facial con uso de ima´genes este´reo. En donde, se propone como algoritmo de extraccio´n de caracteri´sticas el uso de la Wavelet up(x) la cual esta´ basada en fu... see more

Pengenalan pola batik menjadi penting karena batik sebagai warisan budaya bangsa perlu dilestarikan kepada generasi ke generasi. Salah satu upaya untuk memperkenalkan pola batik ini yaitu dengan memperkenalkan keragaman motif atau polanya. Penelitian ini ... see more

Kinerja suatu sistem watermarking, selain dinilai pada saat tahap penyisipan dan pengekstraksian, juga tergantung pada tahap pendeteksian. Sekarang ini telah terdapat beberapa algoritma pendeteksian blind watermark yang dapat memberikan kinerja yang baik,... see more

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