a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...

the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...

Introduction: Having entrepreneurial and innovative performance is an important issue for individual’s adaption to the new era. Nowadays, entrepreneurship is a necessity, and adequacy of students’ entrepreneurial attributes is a prerequisite for entrepreneurship development in health care. This research was conducted with the aim of evaluating entrepreneurship attributes in dentistry students a...

Background and aims: Various factors affect the safety performance of employees and safety locus of control (SLOC) is one of the main determinants. People with an internal locus of control believe that they can control events and conditions and People with an external locus of control believe that events caused by factors such as chance, fate, environment and performance of other people. Theref...

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