Based on the analysis of known methods technical solutions, a two-stage method calibration receiving active phased array antenna (AFAR) long-range detection radar station (RLS) is proposed. The peculiarity this algorithm, which does not require physical modification and use expensive measuring equipment, makes it possible to determine difference in characteristics AR channels compensate for dif...

In this study, the window network data envelopment analysis (WNDEA) model will be proposed, that is capable to be used in the presence of panel data. Additionally, the proposed model is applied to evaluate the dynamic efficiency of 5 investment companies in Tehran stock exchange during the period from 2013 to 2017.