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Year: 2010, Volume: 10, Issue: 3
... [18] watermarking," J. Appl. Signal Process., vol. 2, pp. ... ; the value of Pf P can be computed peak signal-to-noise ratio (PSNR) criterion is used from equation ... against image embedded into the three largest components of the processing attacks, especially JPEG compression and also the PSNR ...
Year: 2010, Volume: 10, Issue: 3
... CALL Power_adjust (RSSI, Optimal_tx_power_level) So instead of PRR, other quantity Received Signal Strength Returns optimal_tx_power_level; Indicator (RSSI) is used after getting the relationship ... Joint Conference of the IEEE Computer and aware wireless microsensor networks", IEEE Signal Processing Magazine Communications Societies, pp. 1425-1436, 2004. Vol. 19, ...
Year: 2010, Volume: 10, Issue: 3
... , v4 v3 v4 v5 v4 The voltage and current signals are inputs to an accurate v3 motor model which ... improved as well. DTC modulator layer needs an additional signal processing time has many advantages such as faster torque ... , high and restricts the torque and speed response. In [13], DTC torque at low speeds ...
Year: 2010, Volume: 10, Issue: 3
... 51st order), other superior harmonics up to 250th order among the most input signal, the following conditions are expressed: significant ones are grouped round the 200th ... c (s) U 2 (s) sL2 filter cost. After some processing steps, the expressions (6) -( 8) take the following ...
Year: 2010, Volume: 10, Issue: 3
... incipient bearing damage in an induction motor which is input signals are extracted from power spectral densities subjected to an ... [18 – changes in the statistical behaviour of the signal [11]. 25]. MLP neural ... Figure 3(a) shows the experimental setup for processing the It is seen that there are oscillations in ...
Year: 2009, Volume: 9, Issue: 3
... microcomputer via Matlab/Simulink software 10 20 with Real-Time workshop to deliver the PWM signals to the drive circuit. Motor current feedback signals are 5 10 obtained using ... chosen to be PI regulator given by [12]: triangular to simplify the processing. Figure 4 illustrate For C2= 1 in transient state: these functions ...
Year: 2010, Volume: 10, Issue: 1
... frequency can be also expressed by MSE: Model Speech Signals via Predefined "Envelope and Signature Sequences" ( ... Number 1, 2010 Fundamental Frequency Estimation of the Speech Signal Compressed by MP3 Algorithm Using PCC Interpolation Zoran N ... of PCC was tested for Catmull- After the signal processing according to the psychoacoustic Rom, Greville and Greville ...
Year: 2010, Volume: 10, Issue: 1
... simulated a) and tested in Matlab. The input signals were generated as echoes added to a sound. ... the full-band A closed space induces reflections of the acoustic signal adaptive algorithm for echo cancellation. Because its generated ... Modeling of Sound Propagation in International Conference on Digital Signal Processing (DSP97), Rooms and Improvement of Room ...
419. Basic Consideration for Signal Processing Solutions Used in Sigma-delta Based ADC and DAC Converters
Year: 2010, Volume: 10, Issue: 1
... multiple of that frequency. A chip designed for a signals, video signals and radio frequency signals) and ... Volume 10, Number 1, 2010 Basic Consideration for Signal Processing Solutions Used in Sigma-delta Based ADC and DAC ... Therefore both 1. In order to keep the large signal-to-noise-ratio (SNR), low-pass filters can be merged ...
Year: 2009, Volume: 9, Issue: 3
... proposed TABLE I. KEY PARAMETERS OF ADSRC PHY design exhibits good performance in high-mobility Signal Bandwidth B (MHz) 10 environments. Data Rate (Mbps) 3 ... Estimation of Time and Frequency Offset in OFDM Systems", IEEE transactions on signal processing, architecture are proposed. Cross-correlation technique is vol.45, pp.1800-1805, July 1997 ...
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