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question repeat problem for tv channels each requiring a bandwidth of 6 mhzproblem a transponder with a bandwidth of
question a 10 ghz weather radar uses a 15 cm diameter lossless antenna at a distance of 1 km what are the dimensions of
question you throw a ball straight up with an initial velocity of 162 ms it passes a tree branch on the way up at a
question a 94 ghz automobile collision-avoidance radar uses a rectangular-aperture antenna placed above the cars bumper
question a half-wave dipole tv broadcast antenna transmits 1 kw at 50 mhz what is the power received by a home
question a 150 mhz communication link consists of two vertical half-wave dipole antennas separated by 2 km the antennas
question the 10 db beam width is the beam size between the angles at which f theta is 10 db below its peak value
question a uniformly illuminated rectangular aperture situated in the x-y plane is 2 m high along x and 1 m wide along
question compare directivity dant of a 1 m diameter antenna aperture operating at 10 ghz with directivity deye of the
question a 1 m long dipole is excited by a 1 mhz current with an amplitude of 12 a what is the average power density
question the radiation pattern of a circular parabolic-reflector antenna consists of a circular major lobe with a
question assuming the loss resistance of a half-wave dipole antenna to be negligibly small and ignoring the reactance
question determine the effective area of a half-wave dipole antenna at 100 mhz and compare it with its physical
question a 3 ghz line-of-sight microwave communication link consists of two lossless parabolic dish antennas each 1 m
question repeat problem for a nine-element arrayproblem find and plot the normalized array factor and determine the
question suppose that the optical fiber of example is submerged in water with n 133 instead of air determine thetaa
question repeat problem but replace the dielectric medium with a conductor with epsilonr 1 mur 1 and sigma 278 times
question a plane wave of unknown frequency is normally incident in air upon the surface of a perfect conductor using an
question consider a thin film of soap in air under illumination by yellow light with lambda 06 mum in vacuum if the
question a 5 mhz plane wave with electric field amplitude of 10 vm is normally incident in air onto the plane surface
question orange light of wavelength 061 mum in air enters a block of glass with epsilonr 144 what color would it
question a 50 mhz plane wave with electric field amplitude of 50 vm is normally incident in air onto a semi-infinite
question a wave traveling in a lossless nonmagnetic medium has an electric field amplitude of 2456 vm and an average
question natural light is randomly polarized which means that on average half the light energy is polarized along any
question a parallel-polarized plane wave is incident from air onto a dielectric medium with r 9 at the brewster angle