the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

Due to the type of function, caravanserais are considered as important buildings in Iranianarchitecture. Research has mostly examined their functional features but caravanserais alsohave aesthetic aspects. Aesthetic analysis can be examined in two aspects: the body of thebuilding and their decoration. As such, based on the importance of caravanserai architecturein the history of Iran, it is nec...

این تحقیق در ساختار چهار مرحله ای خود هشت هدف را دنبال کرد: در مرحله اول، تنها هدف طراحی و معتبر سازی پرسشنامه ای بومی بر اساس مدل فرهنگی شش بعدی هافستد (2010) بود. این کار با استفاده از داده های جمع شده از 370 نفر و توسط روش آماری sem انجام شد. مرحله دوم که با استفاده از داده های جمع شده از 170 معلم زبان انگلیسی انجام شد دارای دو هدف بود: هدف اول، بررسی فرسایش کاری معلمان زبان از دید ابعاد فره...

This paper investigates and analyses geometry in Mihrabi carpet design in Safavid period. These carpets are very important group of Persian carpets in Safavid era. Analysis method is based on the main disciplinary lines in frames. The ultimate objective of this analysis is achieving principal and dynamic points in design composition and suggesting sound geometrical patterns underlying these des...