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68.568  Articles
1 of 6.858 pages  |  10  records  |  more records»
Generator sinkron merupakan mesin listrik yang menkonversi energi mekanik menjadi energi listrik. Di pembangkitan energi listrik generator sinkron merupakan komponen utama yang menghasilkan energi lsitrik, sehingga keandalannya perlu benar-benar dijaga. K... see more

This paper presents the proposed algorithms for the identification of Short Duration RMS Variations and Long Duration RMS Variations combined with harmonic. The proposed algorithms are Fast Fourier Transform (FFT) and Artificial Neural Network (ANN). The ... see more

Series Arc Fault is one of the disturbances of arcing jump is caused by gas ionization between two ends of damaged conductors or broken wire forming a gap in the insulator. Series arc fault is the primary driver of electrical fire. However, lack of knowle... see more

As the signal processing required in electronic warfare (EW) domain is complex and the sample rates to be handled are very high, IP cores which are freely available are not of much use. A study of various fast fourier transform (FFT) algorithms has been c... see more

A decomposição de um sinal de vibração periódico complexo em suas diferentes componentes senoidais, representadas cada uma delas por sua amplitude ( Ai ) e sua freqüência ( Fi ), é feita por uma transformação tempo x freqüência chamada de Transformada de ... see more

Este trabalho é uma síntese do estudo da transformada de Fourier na forma discreta, o que se constitui em uma das principais aplicações á descrição de qualquer função periódica usando uma representação no domínio do tempo (s) e da frequência (Hertz). O es... see more

The purpose  of this study resulted  in a design application evaluation  piano using Fast Fourier Transform algorithm  based on Android for users who are learning piano. The design of application  uses a software engineering proce... see more

The conversion of time domain data via the fast Fourier (FFT) and Hilbert-Huang (HHT) transforms is compared. The FFT treats amplitude vs. time information globally as it transforms the data to an amplitude vs. frequency description. The HHT is not constr... see more

The problem of realisation of the Discrete Fourier Transform in on-line is analysed because of non-efficient consuming a time for a newrecalculation of spectrum samples if one discrete-time signal sample or even some small portion of samples in period are... see more

1 of 6.858 pages  |  10  records  |  more records»