3EC1 MATHEMATICS-III UNIT 1: LAPLACE TRANSFORM - Laplace transform with its simple properties‚ applications to the solution of ordinary and partial differential equations having constant co-efficients with special reference to the wave and diffusion equations. UNIT 2: FOURIER SERIES & Z TRANSFORM – Expansion of simple functions in fourier series. Half range series‚ Change of intervals‚ Harmonic analysis. Z TRANSFORM - Introduction‚ Properties‚ Inverse Z Transform. UNIT 3: FOURIER TRANSFORM - Complex
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Wireless Power Transmission – A Next Generation Power Transmission System A.MUTHULAKSHMI K.DHIVYALAKSHMI III-Yr EEE III-Yr EEE Mepco Schlenk Engg.college Mepco Schlenk Engg.college Sivakasi. Sivakasi. ABSTRACT- In this paper‚ we present the concept of transmitting power without using wires i.e.‚ transmitting power as microwaves from one place to another is in order to reduce the transmission and distribution losses. This concept is known as Microwave Power
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lossless symmetrical 3-port-circulator 6.2 The lossy symmetrical 3-port-circulator 7. Applications 7.1 Decoupling of generator and load 7.2 Decoupling of amplifier stages 7.3 Decoupling of a transmitter or receiver from its antenna 7.4 Transmitter and receiver on the same antenna 7.5 Combiner for 2 or more transmitters in the VHF and UHF 7.6 Combiner for radio links 7.7 Combining amplifier stages in a solid-state transmitter 7.8 Operation of one-port-amplifiers 7.9 Locking and priming of oscillators
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efficiency can approach close to 100%. We can more concentrate the transmitted microwave power to the receiver aperture areas with taper method of the transmitting antenna power distribution. Famous power tapers of the transmitting antenna are Gaussian taper‚ Taylor distribution‚ and Chebychev distribution. These taper of the transmitting antenna is commonly used for suppression of sidelobes. It corresponds to increase the power transmission efficiency. Concerning the power transmission efficiency of the
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Fundamental Dimension Limits of Antennas Ensuring Proper Antenna Dimensions in Mobile Device Designs Randy Bancroft Centurion Wireless Technologies Westminster‚ Colorado Abstract–The electronics industry has historically decreased the physical dimensions of their product offerings. In the age of wireless products this drive to miniaturize continues. Antennas are critical devices that enable wireless products. Unfortunately‚ system designers often choose antenna dimensions in an ad hoc manner.
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effort with the availability of modern simulation tools such as the Advance Design Systems (ADS) and High Frequency Simulator Structure (HFSS) software that both have been use in this experiment. DOE is used in this project to vary the factor of the microstrip taper interconnection design.
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CONTENTS 1. Abstract 2. Basic concept 3. Description of individual components Space segment 1. Integrated Symmetrical Concentrator 2. Solar Cells 3. Microwave Generator 4. Antenna 5. Retrodirective Target Detection 6. Beam Formation Ground Receiving Site 1. Rectenna 2. Power Network 4. Working 5. Launching of the satellite 6. Advantages 7. Future work 8. Conclusion ABSTRACT: Mankind has
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research wireless antennas and differences between them. Antennas are included 3 types: omnidirectional‚ semi-directional‚ and highly-directional. Any antenna has three fundamental properties: gain‚ directional and polarization. Omnidirectional Antennas. We can use this antenna in a: point-multipoint link‚ warehouse‚ hotspot‚ trade show‚ airport. The omnidirectional antennas transmit a signal in all directions‚ it is known dipole ("non-directional") antenna. The most of common antenna with low gain
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Whites‚ EE 481 Lecture 10 Page 1 of 10 Lecture 10: TEM‚ TE‚ and TM Modes for Waveguides. Rectangular Waveguide. We will now generalize our discussion of transmission lines by considering EM waveguides. These are “pipes” that guide EM waves. Coaxial cables‚ hollow metal pipes‚ and fiber optical cables are all examples of waveguides. We will assume that the waveguide is invariant in the zdirection: y Metal walls b ‚ x z a and that the wave is propagating in z as e
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Product Applications’‚ CRC Press‚ LLC‚ pg 21-13. * Hong‚ J S‚ Lancaster‚ M J‚ 2001‚ ‘Microstrip Filters for RF/Microwave Applications’‚ John Wiley & Sons‚ Inc.‚ pg 100. * Jahyeon‚ L & Yeongseog‚ L‚ 2012‚ ’A dual-band bandpass filter using dual and triple-mode resonators ’‚ Radio and Wireless Symposium (RWS)‚ 2012 IEEE‚ 15-18 Jan. 2012‚ pp. 143-146‚veiwed on 15th October 2012. * Jefferies‚ D‚ 2002‚ ‘Microstrips’‚ viewed on 15 October 2012‚ <http://personal.ee.surrey.ac.uk/Personal/D.Jefferies/mstrip
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