Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 14, Problem 14.18P
To determine
(a)
The total power radiated.
To determine
(b)
The power which is intercepted in the case of full wave antenna.
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Students have asked these similar questions
P 2.7a
What will be the cutoff wavelength for dominant mode in rectangular
waveguide whose length is 10 cm?
(2)
2.9. You are an antenna engineer and you are asked to design a high directivity/gain antenna for a
space-borne communication system operating at 10 GHz. The specifications of the antenna
are such that its pattern consists basically of one major lobe and, for simplicity, no minor
lobes (if there are any minor lobes they are of such very low intensity and you can assume
they are negligible/zero). Also it is desired that the pattern is symmetrical in the azimuthal
plane. In order to meet the desired objectives, the main lobe of the pattern should have a
half-power beamwidth of 10 degrees. In order to expedite the design, it is assumed that the
major lobe of the normalized radiation intensity of the antenna is approximated by
U(0, 4) = cos"(0)
and it exists only in the upper hemisphere (0 <0 < x/2,0 <¢ < 2n). Determine the:
(a) Value of n (not necessarily an integer) to meet the specifications of the major lobe. Keep
5 significant figures in your calculations.
(b) Exact maximum directivity…
What is field pattern in a. Rectangular waveguide?b. TE mode in rectangular waveguide?c. TM mode in rectangular waveguide?
Chapter 14 Solutions
Engineering Electromagnetics
Ch. 14 - A short dipole-carrying current I0 cos t in the az...Ch. 14 - Prepare a curve, r vs. in polar coordinates,...Ch. 14 - Prob. 14.3PCh. 14 - Write the Hertzian dipole electric field whose...Ch. 14 - Prob. 14.5PCh. 14 - Prob. 14.6PCh. 14 - Prob. 14.7PCh. 14 - Prob. 14.8PCh. 14 - A dipole antenna in free space has a linear...Ch. 14 - Prob. 14.10P
Ch. 14 - A monopole antenna extends vertically over a...Ch. 14 - Find the zeros in for the E-plane pattern of a...Ch. 14 - Prob. 14.13PCh. 14 - For a dipole antenna of overall length 2l=,...Ch. 14 - Prob. 14.15PCh. 14 - Prob. 14.16PCh. 14 - Consider a lossless half-wave dipole in flee...Ch. 14 - Prob. 14.18PCh. 14 - Prob. 14.19PCh. 14 - A two-element dipole array is configured to...Ch. 14 - Prob. 14.21PCh. 14 - Prob. 14.22PCh. 14 - Prob. 14.23PCh. 14 - Prob. 14.24PCh. 14 - Prob. 14.25PCh. 14 - Prob. 14.26PCh. 14 - Consider an n-element broadside linear array....Ch. 14 - A large ground-based transmitter radiates 10 kW...Ch. 14 - Signals are transmitted at a 1-m carrier...Ch. 14 - Prob. 14.30P
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- .arrow_forwarda) Define Guide wavelength with the formula? b) A rectangular waveguide working in dominant electric mode has an operating frequency of 10 GHz and the highest cut-off wavelength the waveguide can allow is 4.58 cm. What is the broader dimension of the waveguide.arrow_forward9 What is field pattern in m.)TE mode in rectangular waveguide?n.)TM mode in rectangular waveguide?arrow_forward
- Problem 1. Propagation loss and bending loss Assume you design a waveguide that is 3 mm long and experiences 5 bends. If the propagation loss is 3 dB/cm and the bending loss is 0.07 dB per bend. How much insertion loss do you expect?arrow_forwardGive a brief explanation of the Laplae Model and derive its transfer functionarrow_forwardGive a waveguide example that can support a TEM wave.arrow_forward
- Problem 4 to separate ITU channel 59 using a fiber Bragg grating (FBG) and an optical circulator. The FBG is made from a fiber with an effective index of refraction of the core of 1.48 at You are to implement a simple one-channel demultiplexer ITU channel 59. a.) Draw a diagram of the demultiplexer b.) Calculate the periodicity of the index of refraction modulation in the core of the FBG fiberarrow_forwardThe PCB monopole antenna shown in figure below is required to be designed for Bluetooth Low Energy wireless mouse operating at 2.45 GHz. What should be the length of the antenna trace in mm. Assume the substrate of the PCB is foam (dielectric constant = 1)arrow_forwardWhat are em and he modes? How do they differ from te and tem modes? What is a single mode waveguide and why is it 0th order mode?arrow_forward
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