221 results found.
Year: 2022, Volume: 22, Number: 2
... . The TSNR recognition, mobile communications, health care, and voice technique introduces harmonic distortion in the enhanced activity detection, received a lot of attention over the ... by coloured or non-stationary background noises, with technique is utilized to regenerate the degraded harmonics examples including airplane, car, factory, and street noises. of the ...
Terms matched: 2 - Score: 10 - 2,988k
Year: 2009, Volume: 9, Issue: 2
... User manual, Hameg Instruments [15] F. Z. Peng, "Harmonic Sources and Filtering Approaches," IEEE for conducted emissions is 30MHz). ... exits the product. band pass is not an issue here. These power line harmonics Sometimes, properly designed transformers can provide furnish no power to the load, ...
Terms matched: 2 - Score: 10 - 606k
Year: 2022, Volume: 22, Number: 1
... technical energy sources. The energy conversion in wind power requirements; however, the harmonic effect caused by the systems is provided by wind turbines. Wind turbines should ... Power Converter- Figure 1. The general structure of DFIG wind turbines Low High Harmonics Gearbox Available Optional A. DFIG Model Mechanic Stress Yes No The voltages on ...
Terms matched: 2 - Score: 10 - 1,838k
Year: 2009, Volume: 9, Issue: 2
... , is obtained for N= 1, and is given by: The total harmonic distortion (THD) of the Gm 0max= Gm 14= 16 I ... ; HD3 3 Vin 2 (14) 2 a1 4 a1 Since the even harmonics are cancelled (according to (9 )), in the following only ...
Terms matched: 2 - Score: 9 - 1,116k
Year: 2013, Volume: 13, Number: 3
... in for reducing of car motors noise because these acoustic narrow-banded disturbances may control every harmonic signals are not synchronized with the motor rotation [10]. separately. ... out modeling of all the important the reference noise in devices with high temperatures, harmonics of noise. This kind of an active control is suitable turbulent tubes ( ...
Terms matched: 2 - Score: 9 - 1,070k
Year: 2007, Volume: 7, Issue: 2
... coefficients of the current spectrum or the power spectrum as an indication of how the harmonic content of a signal varies. If the variation of the harmonic content can ... Conference Record of 2000 Annual Meeting, pp. 205-211. confirm the presence of harmonics as described by (1). [9] W.T. Thomson, ...
Terms matched: 2 - Score: 8 - 623k
Year: 2011, Volume: 11, Number: 3
... can see from Fig. 1(a) that the signal 0.116 contains many harmonic vibrations. The traditional 0.114 extension schemes cannot reflect such waving feature. It ... . Because Fourier series can be used to represent a signal in terms of the harmonics it is composed Normalized Frequency 0.11 of. Although Fourier series is periodic, ...
Terms matched: 2 - Score: 8 - 1,611k
Year: 2012, Volume: 12, Number: 2
... to the previous approach using a single pitch streak which is the shaped filterbank whose harmonic structure is built from the longest among the reliable pitch streaks in a sentence ... . When a part of the original signal has 0.2 sufficient energy at F0 and harmonics corresponding to the 0.15 0.1 Signal estimated pitch, this part of the signal ...
Terms matched: 2 - Score: 8 - 852k
Year: 2009, Volume: 9, Issue: 3
... [20] Harris, F.J., "On the use of windows for harmonic analysis with the 1027. discrete Fourier transform", Proc. IEEE, ... , [10] multiply efficiency of the method is demonstrated in examples of the harmonics around the desired frequency ω by the set of experimental measurement of the combustion ...
Terms matched: 2 - Score: 8 - 469k
Year: 2016, Volume: 16, Number: 1
... CLOCK DISTRIBUTION by physical system dimensions, the salphasic distribution Assuming a (complex) harmonic signal applied at the can be tuned with the aid of the termination impedance ... frequency (or its discharged the same capacitive load. This is also valid for harmonics). For the salphasic distributions, the formation of the distributions of [ ...
Terms matched: 2 - Score: 8 - 1,444k