Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Chapter 1.5, Problem 10CQ
What is the range of frequencies covered by the microwave band?
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Chapter 1 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
Ch. 1.3 - Prob. 1CQCh. 1.3 - What is Coulombs law? State its properties.Ch. 1.3 - What are the two important properties of electric...Ch. 1.3 - What do the electrical permittivity and magnetic...Ch. 1.3 - What are the three branches and associated...Ch. 1.4 - How can you tell if a wave is traveling in the...Ch. 1.4 - Prob. 7CQCh. 1.4 - Why does a negative value of 0 signify a phase...Ch. 1.4 - Consider the red wave shown in Fig. E1.1. What is...Ch. 1.4 - The wave shown in red in Fig. E1.2 is given by...
Ch. 1.4 - The electric field of a traveling electromagnetic...Ch. 1.4 - Prob. 4ECh. 1.4 - The red wave shown in Fig. E1.5 is given by...Ch. 1.4 - An electromagnetic wave is propagating in the z...Ch. 1.5 - What are the three fundamental properties of EM...Ch. 1.5 - What is the range of frequencies covered by the...Ch. 1.5 - Prob. 11CQCh. 1.6 - Express the following complex functions in polar...Ch. 1.6 - Show that 2j=(1+j). (See EM.)Ch. 1.7 - Prob. 12CQCh. 1.7 - How is the phasor technique used when the forcing...Ch. 1.7 - A series RL circuit is connected to a voltage...Ch. 1.7 - A phasor voltage is given by V=j5V. Find (t).Ch. 1 - A 2 kHz sound wave traveling in the x direction in...Ch. 1 - For the pressure wave described in Example 1-1,...Ch. 1 - A harmonic wave traveling along a string is...Ch. 1 - A wave traveling along a string is given by...Ch. 1 - Two waves, y1(t) and y2(t), have identical...Ch. 1 - The height of an ocean wave is described by the...Ch. 1 - A wave traveling along a string in the +x...Ch. 1 - Two waves on a string are given by the following...Ch. 1 - Give expressions for y(x, t) for a sinusoidal wave...Ch. 1 - An oscillator that generates a sinusoidal wave on...Ch. 1 - Prob. 11PCh. 1 - Given two waves characterized by...Ch. 1 - The voltage of an electromagnetic wave traveling...Ch. 1 - A certain electromagnetic wave traveling in...Ch. 1 - Prob. 15PCh. 1 - Prob. 16PCh. 1 - Complex numbers z1 and z2 are given z1=3j2z2=4+j3...Ch. 1 - Complex numbers z1 and z2 are given by...Ch. 1 - If z=2+j4, determine the following quantities in...Ch. 1 - Find complex numbers t=z1+z2 and s=z1z2, both in...Ch. 1 - Complex numbers z1 and z2 are given by...Ch. 1 - If z=3j5, find the value of ln(z).Ch. 1 - If z = 3 j4. find the value of ez.Ch. 1 - Prob. 24PCh. 1 - A voltage source given by s(t)=25cos(2103t30)(V)...Ch. 1 - Find the phasors of the following time functions:...Ch. 1 - Find the instantaneous time sinusoidal functions...Ch. 1 - A series RLC circuit is connected to a generator...Ch. 1 - The voltage source of the circuit shown in Fig....
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- 1. The communication channel bandwidth uses is 25 MHz centered at 1GHz and uses BPSK. The noise power spectral density of the channel is 10^-9 W/Hz. The channel loss between the transmitter and receiver is 25dB. The application requires a BER of less than 10^-4. Determine the minimum transmit power required.arrow_forward4. A differential BPSK transmitter consumes 10 W and provides a BER of 1*10^-7. If the system moves to 16-QAM, what is new minimum transmit power?arrow_forward5. The noise power (in watts) measured in a 40MHz Wifi channel is 230*10^-6 Watts. The access point (AP) output power is 600 mW and only uses 256QAM and has a data rate of 400Mbps. The channel losses can be modeled as 0.4dB/meter. An application on your phone requires a BER of < than 1*10^-4. A) What is the maximum distance between the AP and your phone? b) if the AP and my phone could switch to 64QAM and support the same data rate, what is the new maximum distance between the AP and my phone?arrow_forward
- 3. You are to design a 9-volt battery operated communication system that has a center frequency of 2.4 GHz. It must last 10 years without replacing batteries. The application requires a BER of <10^-5 and a data rate of 500bps. The channel can be modeled as AWGN with a noise power spectral density of 10^- 8 W/Hz. (a) What modulation scheme would you use? B) what is the required capacity of the batteries? and (c) Is the battery commercially available?arrow_forwardRefer to the logic diagram of Figure. Gate 1 and gate 4 belong to the standard TTL family, while gate 2 and gate 3 belong to the Schottky TTL family and the low-power Schottky TTL family respectively. Determine whether the fan-out capability of gate 1 is being exceeded. Relevant data for the three logic families are given in Table 3(a).arrow_forward2. An existing system uses noncoherent BASK. The application requires a BER of <10^-5. The current transmit power is 25 Watts. If the system changes to a coherent BPSK modulation scheme, what is the new transmit power required to deliver the same BER?arrow_forward
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