نتایج جستجو برای: digital communication system
تعداد نتایج: 2685634 فیلتر نتایج به سال:
This paper proposes a signal processing methodology of communication system and realized that circuits using operational transconductance amplifier (OTA). Two important classes of communication circuit, delta modulator and compander have been designed using that procedure. In the first implementation coded pulse modulation system is demonstrated which employ sampling, quantizing and coding to c...
Performance Evaluation of Microgrid Management System by using a Hareware- In-Loop-Simulation Method
This paper presents a real time digital simulator based test system as a new method for testing microgrid management system (MMS). This system is composed of a real time digital simulator and a developed communication emulator. Real time digital simulator runs a simulation case for microgrid model and distributed generation source model. Communication module emulates communication functions of ...
As mobile and personal communication services and networks involve providing seamless global roaming and improve quality of service to its users, the role of such network for numbering and identification and quality of service will become increasingly important, and well defined. All these will enhance performance for the present as well as future mobile and personal communication network, prov...
In this paper, a modified chaotic shift keying method is proposed to transmit digital bits securely over a communication channel. The scheme is based upon encrypting the digital bits 0 and 1 into infinite levels by applying the keystream such that there is no recognisable pattern in the encoded transmitted signal. The encoded transmitting signal generated is shown to resist popular attack metho...
In this era of digital technology and network communications, paper-based data management can be a bottleneck, slowing factory-wide information transfer. This study explores the evolution of paperless communication in a factory environment and reviews some of the key technologies that contribute to the implementation of a paperless system including digital communication, the virtual factory, co...
introduction: development. it is a lifelong condition, with symptom that appears in early childhood. these people have problem in social skills, communicating with others and expressing their feelings. these people specially have difficulties with the surrounding world and recognizing objects. one of the most effective methods in educating the autistic children is “picture exchange communicatio...
Quadrature Phase Shift Keying (QPSK) and Offset Quadrature Phase Shift Keying (OQPSK) are two wellaccepted modulation techniques used in Code Division Multiple Access (CDMA) system. The Pulse-Shaping Filters play an important role in digital transmission. The type of Pulse-Shaping Filter used, and its behavior would influence the performance of the communication system. This in turn, would have...
چکیده ندارد.
Background and Aim: Easing the probability of violation of intellectual property rights and unauthorized access of digital resources is one of the most important consequences of information and communication technologies like Internet. The purpose of this research is to identify the state of Using Digital Right Management technology in IRANDOC ETD system. Method: This research is an applied re...
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