ABSTRACT
Transmission lines are considered one of the major sources of magnetic field. In recent years great public concern has arisen because of reports on adverse health effects due to Magnetic fields. The rapid increase of electric energy utilization and ascending geographical growth in the Gulf Cooperation Council (GCC) region led to the reality that utilities need to upgrade and develop existing and new transmission and distribution lines which resulted in the transmission lines to become inside the urban areas. This project is directed ....etc

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Optical waveguides:
End view of QC facet with ridge waveguide. Darker gray: InP, lighter gray: QC layers, black: dielectric, gold: Au coating. Ridge 10 um wide.
End view of QC facet with buried heterostructure waveguide. Darker gray: InP, lighter gray: QC layers, black: dielectric. Heterostructure 10 um wide
The first step in processing quantum cascade gain material to make a useful light-emitting device is to confine the gain medium in an optical waveguide. This makes it possible to direct the emitted light into a collimated beam, ....etc

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electromagnetic theory and transmission lines by bakshi pdf free download

Abstract

Electromagnetism is a branch of physics which involves the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles. The electromagnetic force usually shows electromagnetic fields, such as electric fields, magnetic fields, and light. The electromagnetic force is one of the four fundamental interactions in nature. The other three fundamental interactions are the strong interaction, the weak interaction ....etc

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In communications and electronic engineering, a transmission line is a specialized cable or other structure designed to carry alternating current of radio frequency, that is, currents with a frequency high enough that their wave nature must be taken into account. Transmission lines are used for purposes such as connecting radio transmitters and receivers with their antennas, distributing cable television signals, trunklines routing calls between telephone switching centres, computer network connections and high speed computer data buses.

Thi ....etc

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to get information about the topic transmission lines and networks full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-gas-insulated-transmission-lines-in-railway-galleries?pid=47472&mode=threaded

http://seminarsprojects.net/Thread-protection-of-transmission-lines-using-gps-full-report?pid=40924&mode=threaded ....etc

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Wave guides conduct microwave energy at lower loss than coaxial cables.

Waveguides are practical only for signals of extremely high frequency, where the wavelength approaches the cross-sectional dimensions of the waveguide. Below such frequencies, waveguides are useless as electrical transmission lines.

When functioning as transmission lines, though, waveguides are considerably simpler than two-conductor cables especially coaxial cables in their manufacture and maintenance. With only a single conductor (the waveguide s shell ), there ....etc

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please upload electromagnetic theory and transmission lines by bakshi pdf download as soon as possible..please ....etc

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transmission lines and waveguides by bakshi pdf free download

Transmission Lines and Waveguides
Given a particular conductor geometry for a transmission line or waveguide, only certain patterns of electric and magnetic fields (modes) can exist for propagating waves. These modes must be solutions to the governing ifferential equation (wave equation) while satisfying the appropriate boundary conditions for the fields.

Transmission lines and waveguides may be defined as devices used to guide energy from one point to another (from a source to a ....etc

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communication network and transmission lines by umesh sinha

This comprehensive exploration of signals and systems develops continuous-time and discrete-time concepts/methods in parallel, highlighting the similarities and differences, and features introductory treatments of the applications of these basic methods in such areas as filtering, communication, sampling, discrete-time processing of continuous-time signals, and feedback. Relatively self-contained, the text assumes no prior experience with system analysis, convolution, Fourier analysis ....etc

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