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Electromagnetic_Waves_and_Transmission_Lines
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electromagnetic_waves_and_transmission_lines by machac contents 1. ıntroductıon .............................................................................................. 6 1.1 description of an electromagnetic field ………………….….............................. 8 1.2 wave equation ………………...........................................................…............... 13 1.3 potentials ………….........................................................................…................. 14 2. electromagnetıc waves ın free space .................................… 17 2.1 solution of the wave equation ....................................…..................................... 17 2.2 propagation of a plane electromagnetic wave …………………………………. 18 2.3 wave polarization ……………………………………………………………… 28 2.4 cylindrical and spherical waves ……………………………………………….. 32 2.5 problems ……………………………………………………………………….. 34 3. waves on a plane boundary ………………………………………. 35 3.1 perpendicular incidence of a plane wave to a plane boundary ………………… 35 3.2 perpendicular incidence of a plane wave to a layered medium ………………... 42 3.3 oblique incidence of a plane electromagnetic wave to a plane boundary ……... 45 3.4 problems ……………………………………………………………………….. 54 4. solutıon of maxwell equatıons at very hıgh frequencıes ………………………………………………………………. 56 5. guıded waves …………………………………………………………….. 61 6. tem waves on a transmıssıon lıne ………………………………. 65 6.1 parameters of a tem wave …………………………………………………….. 65 6.2 transformation of the impedance along the line ………………………………. 71 6.2.1 an infinitely long line ………………………………………………………….. 71 6.2.2 a line of finite length …………………………………………………………… 72 6.2.3 a line terminated by a short cut and by an open end ……….………………….. 73 6.3 smith chart ……………………………………………………………………… 76 6.4 problems ……………………………………………...………………………… 87 7. waveguıdes wıth metallıc walls ……………………………... 88 7.1 parallel plate waveguide ……………………………………………………….. 88 7.2 waveguide with a rectangular cross-section …………………………………… 94 7.3 waveguide with a circular cross-section ………………………………………. 103 7.4 problems ………………………………………………………………………... 107 8. dıelectrıc waveguıdes ……………………………………………… 108 8.1 dielectric layers ………………………………………………………………… 109 8.2 dielectric cylinders ……………………………………………………………... 114 8.3 problems ………………………………………………………………………... 115 9. resonators ……………………………………………………………….. 116 9.1 cavity resonators ……………………………………………………………….. 116 9.2 problems ………………………………………………………………………... 120 10. radıatıon ………………………………………………………………….. 121 10.1 elementary electric dipoles …………………………………………………….. 121 10.2 elementary magnetic dipoles …………………………………………………... 126 10.3 radiation of sources with dimensions comparable with the wavelength ………. 129 10.4 antenna parameters …………………………………………………………….. 133 10.5 antenna arrays ………………………………………………………………….. 134 10.6 receiving antennas ……………………………………………………………... 137 book - 1 5 10.7 problems ……………………………………………………………………….. 140 11. wave propagatıon ın non-ısotropıc medıa ………………… 141 11.1 tensor of permeability of a magnetized ferrite ………………………………… 142 11.2 longitudinal propagation of a plane electromagnetic wave in a magnetized ferrite …………………………………………………………………………… 146 11.3 transversal propagation of a plane electromagnetic wave in a magnetized ferrite …………………………………………………………………………… 151 11.4 applications of non-reciprocal devices ………………………………………… 154 11.5 problems ………………………………………………………………………... 155 12. applıcatıons of electromagnetıc fıelds ………………….. 156 12.1 ıntroduction to microwave technology …………………………………………. 156 12.2 antennas ………………………………………………………………………... 162 12.2.1 wire antennas …………………………………………………………………... 164 12.2.2 aperture antennas ………………………………………………………………. 165 12.2.3 broadband antennas …………………………………………………………….. 167 12.2.4 planar antennas …………………………………………………………………. 168 12.3 propagation of electromagnetic waves in the atmosphere ……………………… 169 12.4 optoelectronic ………………………………………………………………….. 173 12.4.1 optical waveguides …………………………………………………………….. 173 12.4.2 optical detectors ………………………………………………………………. 176 12.4.3 optical amplifiers and sources …………………………………………………. 177 12.4.4 optical modulators and sensors ………………………………………………… 178 13. mathematıcal appendıx …………………………………………….. 180 14. basıc problems ………………………………………………………….. 191 15 lıst of recommended lıterature ………………………………. 194 http://rs16.rapidshare.com/files ... _Lines_-_Machac.pdf http://rs16.rapidshare.com/files/83137819/Electromagnetic_Waves_and_Transmission_Lines_-_Machac.pdf [ Last edited by hncsmuchong on 2009-3-13 at 07:57 ] |
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