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Year: 2014, Volume: 14, Number: 4
... Electrical and Computer Engineering Volume 14, Number 4, 2014 FIR Filter Sharpening by Frequency Masking and Pipelining-Interleaving Technique Milenko P. CIRIC1, Vojkan M. RADONJIC1, ... Reference; 2009. [5] Lim, Y.C. (1986). Frequency-response masking approach for the synthesis of sharp linear phase digital filters. IEEE Transactions ...
Year: 2014, Volume: 14, Number: 4
... : a separable, multimodal elements of vector X. function based on cosine modulation. ‚ Ackley function (Ack): a multimodal function with a b) Frequency Modulation Sounds Parameter narrow chasm with ragged wide flat area at the top. identification (FMS) The purpose of this task is to determine the proper values ...
Year: 2014, Volume: 14, Number: 4
... faults are also troublesome [14]. over conventional three-phase motors, including reduced There is a growing interest in the analysis of multiphase torque ripple amplitude with higher frequency, reduced motors during fault operation. For example, [11] analyzes phase currents at the same phase voltage, therefore reducing the change in machine losses ...
Year: 2014, Volume: 14, Number: 4
... ]. These pulses will exhibit Unfortunately, this method relies heavily on the wide frequency components spread over a large range after a bandwidth perturbation induced by the sharp ... not necessarily from all of them. For detection, Self-similarity, Signal denoising, Time-frequency example the web client data series collected at the network analysis border will preserve ...
305. Performance Prediction of Double-Binary Turbo Codes with High Order Modulations in AWGN Channel
Year: 2014, Volume: 14, Number: 4
... information bit; involved. N0/2 €“ the noise power spectral density; It should be noted that it is difficult even for the intrinsic W0 €“ the frequency band of the filter at the receiver's performance of the HOM to be specified for large values of entry; BER/ FER, meaning that it depends on ...
Year: 2014, Volume: 14, Number: 4
... of the A.C. drive with the vector-controlled induction motor. Important simulations II. MATHEMATICAL MODEL OF THE INDUCTION MOTOR and experimental measurements have been realized that SUPPLIED BY FREQUENCY CONVERTER confirm the correctness of the proposed speed controller tuned A mathematical model of the induction motor supplied by by the genetic algorithm and the quality speed response of ...
Year: 2014, Volume: 14, Number: 4
... 12] -[ 15]. According to PC, voltages and currents (no matter efficiency are improved by using the ST in place of the whether in frequency or time domain) are expanded in series SGM to construct the deterministic equations and the of orthogonal polynomials, whose coefficients directly corresponding circuit models. As shown ...
Year: 2014, Volume: 14, Number: 3
... of a connected in parallel with the capacitor, being PWM (Pulse two speed single phase induction motor drive is presented. The Width Modulation) controlled at supply frequency (Fig. 1). ECC solution and the method with solution with a fixed value capacitor are comparatively analyzed in terms of efficiency and maximum torque availability ...
Year: 2014, Volume: 14, Number: 3
... j1t experience provides quantitative information on the required u 2 € U 2 e j 2 € U 2 e j 2 t (1) relationship of voltage and frequency of the two sources. Consequently, the terminal behavior of the machine is where, U1, U2 are maximum values, respectively: well defined for practical ...
Year: 2014, Volume: 14, Number: 3
... that the transistor power factor and eliminate certain harmonics. In [5 ], an and the diode are replaced by two bidirectional current IGBT chopper with a 5kHz frequency was analyzed by switches. simulation. Reference [6] presents a three-phase AC-AC converter with nine IGBTs and [7] suggests a method for im L ...
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