نتایج جستجو برای: compensating filter
تعداد نتایج: 129312 فیلتر نتایج به سال:
A novel sliding mode control SMC method for indirect current controlled three-phase parallel active power filter is presented in this paper. There are two designed closed loops in the system: one is the DC voltage controlling loop and the other is the reference current tracking loop. The first loop with a PI regulator is used to control the DC voltage approximating to the given voltage of capac...
Hearing aids partially overcome auditory deficits and normally employed for the hearing impaired people to compensate hearing loss. This paper takes an approach to design a system which have a digital filter bank which can separate the input speech signal into different bands and automatically gain is adjust for individual band. The system is developing on Field Programmable Gate Array (FPGA) p...
This paper proposes a new method for blind inversion of a monotonic nonlinear map applied to a sum of random variables. Such kinds of mixtures of random variables are found in source separation and Wiener system inversion problems, for example. The importance of our proposed method is based on the fact that it permits to decouple the estimation of the nonlinear part (nonlinear compensation) fro...
With the development of industry, more large-scale non-linear loads are added to existing power systems and they cause the serious power quality (PQ) problems to the nearby sensitive installations more and more. To protect the important loads and mitigate the impact of PQ disturbances on them, various compensating devices are installed. One of the most important control skills used in the compe...
This paper describes the development of an auditory filterbank to perform the initial frequency analysis in models of human hearing and speech perception. It is based on the gammatone function used by physiologists to summarise 'revcor' measurements of the impulse response of the auditory filter in small mammals. The first section shows that the amplitude characteristic of the gammatone functio...
The common and traditional method for dispersion compensation in optical domain is concatenating the transmit optical fiber by a compensating optical fiber having high-negative dispersion coefficient. In this paper, we take an opposite direction and show how an optical fiber with high-positive dispersion coefficient can also be used for dispersion compensation. Our optical dispersion compensati...
With significant development of power converter technologies, there has been a rise of interest in an active power filter (AF). It is now well known that an active filter can easily compensate for harmonic current contents in the load current by inserting negative harmonics into the power network [B3]-[B10]. Basic principle of an active harmonic compensation is shown in Fig. 2.1. The AF can can...
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