Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 7, Problem 7.8P
To determine
To plot:A graph of
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Chapter 7 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 7 - Find the cutoff frequency for the first eight...Ch. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Calculate uG the wavelength in the guide, and the...Ch. 7 - Consider WR975 filled with polyethylene. Find (a)...Ch. 7 - Plot up and wavelength in the guide as a function...Ch. 7 - WR90 waveguide is to be operated at 16 GHz....Ch. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Suppose a length of WR137 waveguide operated at...
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Find an expression for the magnetic field of the...Ch. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Compose a program that will plot the left and...Ch. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Suppose nf=1.475 and nc=1.470. Determine the...Ch. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Assume that the coupling efficiency from a typical...Ch. 7 - Prob. 7.32PCh. 7 - Prob. 7.33P
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- Prepare a table of values for the change of maximum usable frequency when an incident angle change from 90° to 0° (calculate for every 10 degrees), and plot a graph, assume that the critical frequency is constant at 30MHZ. and give your observation over the graph.arrow_forward3) Solve the cutoff frequency for the first mode and second mode of WR975 Wave guide TABLE 7.1 Some Standard Rectangular Waveguides Waveguide de signation a (in) b (in) t (in) fe, (GHz) Frequency range (GHz) WR975 9.750 4.875 0.125 0.605 0.75-1.12 WR650 6.500 3.250 0.080 0.908 1.12–1.70 WR430 4.300 2.150 0.080 1.375 1.70-2.60 WR284 2.840 1.340 0.080 2.08 2.60-3.95 WR187 1.872 0.872 0.064 3.16 3.95-5.85 WR137 1.372 0.622 0.064 4.29 5.85-8.20 WR90 0.900 0.450 0.050 6.56 8.2–12.4 WR62 0.622 0.311 0.040 9.49 12.4–18arrow_forwardWhat is the significance of a Bode plot in electrical engineering and how can it be used to analyze a system's frequency response?arrow_forward
- Imagine a two-dimensional system in which a sinusoidal waveform is excited at the exact center of a circular plate. The standing wave pattern is established when the excited wave two-dimensionalwaveforms for a stable equilibrium pattern of constructive and destructive interference with the reflected waves from the edge of the circular plate. Draw what you expect the standing wave patterns to look like in this two-dimensional system for increasing resonant harmonics, n. Explain what characteristics of the oscillating plate affect the value of those resonancefrequencies, and what geometric properties of the plate affect the patterns.arrow_forwardFor a single-frequency sine wave modulating signal of 15 kHz with a carrier frequency of 60 MHz, what is the spacing between sidebands? Round the final answer to the nearest whole number. kHzarrow_forwardThe equation for finding the period, when frequency is kniwn is . .arrow_forward
- Question 7 A 50 Hz sinusoidal signal is sampled at 1 kHz and analysed using a 128-point FFT. (a) Which spectral component will be the largest (b) Determine the frequency spacing (in Hz) between the spectral componentsarrow_forwardThis subject is antenna and wave propagation of ece pls solve neatly and faster thanksarrow_forwardA citizens band transmitter operating at 27 Mhz with 4 W output is. connected via 10m of RG-8A/U cable to an antenna that has an input resistance 0f 300 ohms.arrow_forward
- Design a microstrip for a 50 ohms characteristic impedance. Use h=1.6mm epoxiglass substrate. Calculate the the wavelenght of a 2GHz signal in this waveguide.arrow_forwardConsider the signal x(1)= 2cos(37# – x/3)– sin(2m) %3D Justify that xt) is periodic. What is the period and the fundamental frequency?arrow_forward2. RLC Circuit a. Set up the circuit as shown in Figure 7.3. Apply 2Vpp voltage to Vin. L 0.01uF 100mH R Vin 100 Vo sine wave GND Figure 7.3 b. Calculate the resonant frequency fo of the circuit. c. Measure Vo when frequency of Function Generator is 1kHz, 2kHz, 4kHz, 6kHz, 8kHz, 10kHz and 20kHz.arrow_forward
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