Page 609 - Engineering Electromagnetics, 8th Edition

INDEX 591

equation of, 43 T Transmission-line fields
and equipotential surfaces, Teflon, 132, 136, 472, 563 coaxial (high frequencies),
122 Telegraphist’s equations, 456–457
of the magnetic field 306 coaxial (intermediate
intensity about an TE m0 modes, 486–490 frequencies), 458
infinitely long straight TE modes, 483–485 coaxial (low frequencies),
filament, 185 460–462
Streamline sketch, 42 Temporal half-width, 445 microstrip line (low
Superconductivity, 116 Temporal prism, 444 frequencies), 460–462
Supermagnetic materials, 247 TE 0p modes, 486–490 and primary constants,
Surface current, 195 Tesla, 207 453–462
Thin-wire antennas, 525–533
Surface current density, 39, Three-interface problem, 424 two-wire (high
182, 291 Time-averaged power, 317 frequencies), 459–460
Surfaces Time dimension, 396 two-wire (low
area of, 15 Time-phase relationship, 382 frequencies), 460
boundary, 162 Time-varying potentials, Transmission-line
conductor, 39 292–296 propagation, 302–304
in cylindrical and TM modes, 481–483 Transmission lines
rectangular coordinate Torque, 239, 240 basic circuit, 302
systems, 15 Total charge, 33 coaxial, geometry of, 456
equipotential, 86, 150, Total current, 249 energy stored in, 331
155–156, 162 Total electric field intensity, examples of, 330–334
incremental, 202 31 of finite length, 327–330
mutually perpendicular, Total enclosed charge, 130 finite-length configuration,
19–20 Total flux, 53 and its equivalent circuit,
perpendicular, 15 Total free charge, 130 328
spherical, 20 Total free current, 249 general wave equations for,
Surface waves, 493 Total intermission, 434–437 306
Switched voltage source, Total internal reflection, 434 graphical methods for,
303 334–345
Symmetrical charge Total reflection, 434–437 inductance in, 209,
distributions Transform-limited pulse, 447 303–304
examples, 56–60 Transient analysis of infinitely long coaxial,
transmission lines,
and Gauss’s law, 52–55 345–358 function of radius as
Symmetrical dielectric slab Transient phases, 417 magnetic field intensity
waveguides, 464, 490, Transients, 345 in, 192
495 Transmission coefficient, 321, initially charged, 354–355
Symmetric slab waveguide, 409 lossless, terminated by a
490, 491, 494 Transmission-line equations, matched load, 346
Symmetry and Gauss’s law, 304–306, 313–315 lumped-element model of,
57 303