منابع مشابه
a study on construction of iranian life tables: the case study of modified brass logit system
چکیده ندارد.
15 صفحه اولfocus on communication in iranian high school language classes: a study of the role of teaching materials in changing the focus onto communication in language classes
چکیده ارتباط در کلاس به عوامل زیادی از جمله معلمان، دانش آموزان، برنامه های درسی و از همه مهم تر، مواد آموزشی وابسته است. در تدریس ارتباطی زبان که تاکید زیادی بر توانش ارتباطی دارد، کتاب درسی به عنوان عامل موثر بر پویایی کلاس محسوب میگردد که درس ها را از طریق فراهم آوردن متن ارتباط کلاسی و هم چنین نوع تمرین زبانی که دانش آموزان در طول فعالیت های کلاسی به آن مشغول اند، کنترل می کند. این حقیقت ک...
15 صفحه اولA study on some system safety models
In this paper two system safety models are built based on some practical situations. The system state can be distinguished into three states: working, fail-safe and fail-dangerous.The probabilities that the system are in working state, fail-safe state and fail-dangerous state, respectively, are derived. Also the mean times for the system working, fail-safe and fail-dangerous, are given. Finally...
متن کاملStudy on Airspace Covert Communication Algorithm of Covert Communication System
Based on the security of information transmission through network in the information society, the paper puts forward covert communication technology which is more reliable than the prior encryption algorithm, analyzes channel covertness and information hiding of covert communication technology based on spread-spectrum communication technology, and establishes a covert communication system inclu...
متن کاملAdaptive Communication Scheme for Cooperative Active Safety System
We present an adaptive communication scheme for Cooperative Active Safety System (CASS). CASS uses information communicated from neighboring vehicles via wireless communication in order to actively evaluate driving situations and provide warnings or other forms of assistance to drivers. In CASS, we assume that vehicles are equipped with a GPS receiver, a Dedicated Short Range Communications (DS...
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ژورنال
عنوان ژورنال: PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN
سال: 1997
ISSN: 0912-7348,1884-8265
DOI: 10.2208/prooe.13.495