input at terminal 2 and Y2 the corresponding output. Once each second, say, new inputs xi and x2 may be chosen from corresponding input alphabets and put into the channel; outputs yi and Y2 may then be observed. These outputs will be related statistically to the inputs and perhaps historically to previous inputs and outputs if the channel has memory. The problem is to communicate in both direct...

the present study is aimed at investigating the factors which influence cooperative managers’ awareness of the cooperative sector. methodologically, this is a descriptive-correlated survey. the study consisted of 498 managers of agricultural cooperatives in tehran(n=498), from among whom 72 were selected through random sampling (n=72). validity of the questionnaire used for collecting data was ...

Artificial Life models have consistently implemented communication as an exchange of signals over dedicated and functionally isolated channels. I argue that such a feature prevents models from providing a satisfactory account of the origins of communication and present a model in which there are no dedicated channels. Agents controlled by neural networks and equipped with proximity sensors and ...

environmental communication is the information transfer between sources and recipients of through communication channels. the aim of this study is to investigate the process and its challenges in iran. target populations for this study consisted of state environmental experts in the department of environment (n=184), data was collected using the questionnaire tools. results revealed that enviro...

nowday, with technology progress and the emergence of new business models, increased levels of competition and changing demands and expectations of customers, using multi channels of distribution is growing rapidly. using multiple distribution channels, despite having advantages, have many challenges as coordination and integration of these channels with high efficiency and eliminate these chal...

the purpose of this research was to investigate the factors affecting the use of information resources and communication channels by the rey township vegetable growers as regards their prevention of soil pollution. the study consisted of all vegetable growers (n=700) in the ray county, located in tehran province, from among whom 70 vegetable growers were selected through random sampling techniq...