نتایج جستجو برای: power system parameter estimation
تعداد نتایج: 2916660 فیلتر نتایج به سال:
We introduce a new two-parameter lifetime model, referred to alpha power transformed inverted Topp-Leone, derived by combining the transformation-G family with Topp-Leone distribution. Structural properties of proposed distribution are implemented like; quantile function, residual and reversed life, Rényi entropy measure, moments incomplete moments. The maximum likelihood, weighted least square...
In this paper, a signal processing method is proposed to estimate the low and high-frequency impedances of power systems using several short-term low power signal injections for a frequency range of 0-150 kHz. This frequency range is very important, and thusso it is considered in the analysis of power quality issues of smart grids. The impedance estimation is used in many power system applicati...
In non-cooperative communication system, symbol rate is a crucial part of parameter estimation. Based on the wavelet transform, an improved symbol rate estimation model is proposed. Without a prior knowledge, we raised a better symbol rate pre-estimation method in view of corrected average periodogram’s smoothing power spectrum. By choosing the optimal wavelet scale and fast Fourier transform, ...
this paper presents a hybrid technique for simultaneous estimation of parameter and function in inverse heat conduction problems. no prior information is used for the functional form of the heat flux in the present study. the scheme presented here is a combination of two different classical methods: the variable metric method (vmm) and gauss method (gm). the determination of the unknown thermal...
This paper presents a recursive method of modal parameters identification based on operational measurements, dedicated for non-stationary systems. Decoupling signal components procedure allowed to reduce the signal model and simplified the process of modal parameters estimation. Adaptive method of filtering simplified the process of wavelet function selection. Presented method utilize Continuou...
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