Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Chapter 9, Problem 36P
To determine
The fraction of the moon’s cross section occupied by the beam.
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Q4. For the control system is shown in Figure 2, by using second method
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Chapter 9 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
Ch. 9.1 - What does it mean to say that most antennas are...Ch. 9.1 - What is the radiated wave like in the far-field...Ch. 9.1 - In a Hertzian dipole, what is the underlying...Ch. 9.1 - Outline the basic steps used to relate the current...Ch. 9.1 - A 1 m long dipole is excited by a 5 MHz current...Ch. 9.2 - Prob. 5CQCh. 9.2 - What is the magnitude of the directivity of an...Ch. 9.2 - An antenna has a conical radiation pattern with a...Ch. 9.2 - Prob. 3ECh. 9.3 - What is the physical length of a half-wave dipole...
Ch. 9.3 - How does the radiation pattern of a half-wave...Ch. 9.3 - How does the radiation efficiency of a...Ch. 9.3 - Prob. 4ECh. 9.3 - Prob. 5ECh. 9.5 - Prob. 6ECh. 9.5 - At 100 MHz, the pattern solid angle of an antenna...Ch. 9.6 - If the operating frequency of the communication...Ch. 9.6 - Prob. 9ECh. 9.6 - Prob. 10ECh. 9.8 - Verify that Eq. (9.86) is a solution of Eq. (9.85)...Ch. 9.8 - Prob. 12ECh. 9.8 - What condition must be satisfied in order to use...Ch. 9.8 - Derive an expression for the array factor of a...Ch. 9.8 - Prob. 15ECh. 9.11 - Prob. 11CQCh. 9.11 - Prob. 12CQCh. 9.11 - Prob. 13CQCh. 9.11 - Prob. 14CQCh. 9.11 - Prob. 15CQCh. 9 - A center-fed Hertzian dipole is excited by a...Ch. 9 - A 50 cm long center-fed dipole directed along the...Ch. 9 - Prob. 3PCh. 9 - Determine the following: (a) The direction of...Ch. 9 - Repeat Problem 9.4 for an antenna with...Ch. 9 - A 2 m long center-fed dipole antenna operates in...Ch. 9 - Repeat Problem 9.6 for a 20 cm long antenna...Ch. 9 - Prob. 9PCh. 9 - An antenna with a radiation efficiency of 90% has...Ch. 9 - Prob. 11PCh. 9 - The normalized radiation intensity of a certain...Ch. 9 - Repeat Problem 9.6 for a 1 m long half-wave dipole...Ch. 9 - Prob. 14PCh. 9 - A 50 cm long dipole is excited by a sinusoidally...Ch. 9 - Prob. 16PCh. 9 - For a dipole antenna of length l = 3/2, (a)...Ch. 9 - Prob. 18PCh. 9 - Prob. 19PCh. 9 - Prob. 20PCh. 9 - A car antenna is a vertical monopole over a...Ch. 9 - Determine the effective area of a half-wave dipole...Ch. 9 - A 3 GHz line-of-sight microwave communication link...Ch. 9 - A half-wave dipole TV broadcast antenna transmits...Ch. 9 - A 150 MHz communication link consists of two...Ch. 9 - Consider the communication system shown in Fig....Ch. 9 - The configuration shown in Fig. P9.27 depicts two...Ch. 9 - Prob. 28PCh. 9 - The configuration shown in Fig. P9.29 depicts a...Ch. 9 - Prob. 30PCh. 9 - Prob. 31PCh. 9 - A uniformly illuminated rectangular aperture...Ch. 9 - An antenna with a circular aperture has a circular...Ch. 9 - Prob. 34PCh. 9 - Prob. 35PCh. 9 - Prob. 36PCh. 9 - Prob. 37PCh. 9 - Prob. 38PCh. 9 - Prob. 39PCh. 9 - Prob. 40PCh. 9 - Find and plot the normalized array factor and...Ch. 9 - Prob. 44PCh. 9 - A three-element linear array of isotropic sources...Ch. 9 - An eight-element linear array with /2 spacing is...Ch. 9 - A linear array arranged along the z axis consists...
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- Q2. Consider the control system whose open-loop transfer function is: G(s) = K قسم s (s2 +4.8s + 12.6) By using second method of Ziegler- Nichols, calculate the PID, PI-D and I-PD parameters and make tuning for this parameters to get accepting response for the following system, then compare your results for all types controllers?arrow_forwardQ3. For the control system is shown in Figure 1, by using second method of Ziegler- Nichols, calculate the PID, PI-D and I-PD parameters and make tuning for this parameters to get accepting response for the following system, then compare your results for all types controllers? R(s) + C(s) 1 GES s(s+3)(s+6) PID controller Figure (1) INarrow_forwardUse Newton-Raphson method to solve the system x³+y-1=0 4 y³-x+1=0 with the starting value (xo,yo) = (1,0). Take n=4.arrow_forward
- Use Newton-Raphson method to solve the system 3x²y - 10x+7=0 y²-5y+4=0 With the starting value (xo, yo) = (0.5, 0.5). Take n = 1arrow_forwardUse Newton-Raphson method to solve the system x²-2xy+0.5= 0 x²+4y² 40 - with the starting value (xo, yo) = (2, 0.25) and two iteration number.arrow_forwardProblem 7 [2.5 pts] The response of an LTI system to u[n+2] appears to be the following sequence. -3-2-101234 Do we have enough information to determine the impulse response of this system? If so, derive it and plot it. If not, explain why.arrow_forward
- Problem 4 5' Consider the systems S₁(x[n]) = x[n]+5[n²−1] and S2(x[n]) = x[n(n−2)]. a [2 pts] Plot the impulse responses of S₁ and S2, respectively. b [2.5 pts] Determine whether S₁ and S2 are causal. Justify your answer in details. Warning: There will be no credit for just 'yes' or 'no' answer.arrow_forward22: Line charges PL 2π nC/m are located at xy-plane as shown in Figure-1, find the electric field intensity (E) at (0, 0, 2)? 2arrow_forward11.4 Determine Vout in the circuit shown in Fig. P11.4. through any methodarrow_forward
- Solve the following nonlinear system using Newton's method 1 f1(x1, x2, x3)=3x₁ = cos(x2x3) - - 2 f2(x1, x2, x3) = x² - 81(x2 +0.1)² + sin x3 + 1.06 f3(x1, x2, x3) = ex1x2 +20x3 + Using x (0) X1 X2 X3 10π-3 3 = 0.1, 0.1, 0.1 as initial conditioarrow_forwardUse Newton-Raphson method to solve the system x² - 2x-y+0.5= 0 x² + 4y² 4 = 0 - with the starting value (xo,yo) = (2,0.25) and two iteration number.arrow_forwardReversing 3⍉ Motors using manual starters with wiring diagram of forward contacts and reverse contacts.arrow_forward
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