Studies on Optical Components and Radio over Fibre Systems Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Bachelor
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Thesis Submitted in Partial Fulfillment of the requirement for the Degree of M.A/M. Sc In School consultant
Goal: The aim of this study is assess and compare emotional ability of deaf. Semi _ deaf and hearing students (14 _ 20) in Mashhad. Method: To do this experiment out of studies evidence generally 105 students selecting randomly. From each group, choose the number of normal boys and girls 35, deaf boys and girls and semi deaf boys and girls .this article is useful and explanatory .in this stud...
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Effect of Nonlinear Phase Variation in Optical Millimetre Wave Radio over Fibre Systems
In this paper, we propose an optical millimetre wave radio-over-fibre (mm-wave RoF) system that uses a dual drive Mach Zehnder modulator (DD-MZM), which is biased at the maximum transmission biasing point, to generate an optical double sideband-suppressed carrier. The input to the DD-MZM are binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), 8-phase shift keying (8-PSK) and...
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the increasing use of computers and the widespread use of networks, Social networking and use applications through the use of the Internet to make the spread images, which make it easy to be penetrated from the attacker and from everyone who try to change the information. So, the need arises to transmit the information securely through a secure manner . Steganography is the best solution to sol...
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