spectral decomposition is a powerful tool for analysis of seismic data. fourier transform determines the frequency contents of a signal. but for analysis of non-stationary signals, 1-d transform to frequency domain is not sufficient. in early years, transforming of seismic traces into time and frequency domain was done via windowed fourier transform, called a short time fourier transform (stft)...

in some of the new economic growth models, we pay attention to the effects of financial development on economic growth. this research investigates the relationship between capital market and economic growth in macro level during 1991-2011. the research is organized as follows: the introduction comes as the first section. in section ii, we review the literature on the relationship between econom...

background: high cesarean section rate is a major health problem in developing countries. this study was established to evaluate the effectiveness of iranian ministry of health and medical education protocols on cesarean section rate trend. methods: through a non-concurrent controlled quasi-experimental study, cesarean section rate in shohada-e-tajrish and taleghani hospitals in tehran was comp...