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Electrical Circuits and Modified MasteringEngineering - With Access
10th Edition
ISBN: 9780133992793
Author: NILSSON
Publisher: PEARSON
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Question
Chapter 1, Problem 8P
To determine
Find the expression of charge
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Students have asked these similar questions
Matched filter in the frequency domain
(1.5) (a) Consider the signal s(t) in 3(c). Assuming that the unit of time is a millisecond
and the desired frequency resolution is 1 Hz, use the function contFT to compute
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(b) Use the function contFT to compute and plot the magnitude of the Fourier trans-
form of the convolution s * SMF numerically computed in 3(d). Also plot for
comparison |S(f)12, using the output of 5(a). The two plots should match.
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1. (20 pts) Plot the pulse and the FFT for a pulse with the following properties at x=0 and x=10
cm.
f=2 MHz
m=3
Ncyc=2, 6, 20
po 1 MPa (source pressure)
x=10 cm (propagates in a Newtonian fluid for 10 cm as a plane wave-not a sound beam)
a=0.5 dB/(MHz cm)
Consider 3 types of waves: sine, square, and sawtooth. (square and sawtooth only for grad
students)
Observe your plots and draw some conclusions. Discuss any possible issues you encounter.
2. (20 pts) We have the following 3 ultrasonic transducers:
a. Focused 1 MHz, 2.54 cm diameter, 5.08 cm focus
b. Focused 3 MHz, 2.54 cm diameter, 5.08 cm focus
c. Unfocused 0.1 MHz, 2.54 cm diameter
The transducers are operating in water (c=1486 m/s).
I. Plot the axial field for all transducers
II. Plot the focal transverse field for the focused transducers and the transverse field at the
Rayleigh distance (R_0) and at 2R_0 for the unfocused.
III. Assume source pressure of 0.1 MPa, and find the acoustic pressure in MPa at the location
(r=0, z=4.5…
Chapter 1 Solutions
Electrical Circuits and Modified MasteringEngineering - With Access
Ch. 1.2 - Assume a telephone signal travels through a cable...Ch. 1.2 - How many dollars per millisecond would the federal...Ch. 1.5 - The current at the terminals of the element in...Ch. 1.5 - The expression for the charge entering the upper...Ch. 1.6 - Assume that a 20 V voltage drop occurs across an...Ch. 1.6 - Prob. 6APCh. 1.6 - A high-voltage direct-current (dc) transmission...Ch. 1 - There are approximately 260 million passenger...Ch. 1 - A hand-held video player displays 480 × 320...Ch. 1 - The 16 gigabyte (GB = 230 bytes) flash memory chip...
Ch. 1 - The line described in Assessment Problem 1.7 is...Ch. 1 - One liter (L) of paint covers approximately of...Ch. 1 - Some species of bamboo can grow (250 mm/day)....Ch. 1 - There is no charge at the upper terminal of the...Ch. 1 - The current entering the upper terminal of Fig....Ch. 1 - Prob. 9PCh. 1 - In electronic circuits it is not unusual to...Ch. 1 - How much energy is imparted to an electron as it...Ch. 1 - The references for the voltage and current at the...Ch. 1 - Repeat Problem 1.12 with a voltage of −60 V.
1.12...Ch. 1 - Prob. 14PCh. 1 - When a car has a dead battery, it can often be...Ch. 1 - Prob. 16PCh. 1 - One 12 V battery supplies 100 mA to a boom box....Ch. 1 - Prob. 18PCh. 1 - The voltage and current at the terminals of the...Ch. 1 - Prob. 20PCh. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - The voltage and current at the terminals of an...Ch. 1 - The voltage and current at the terminals of the...Ch. 1 - An industrial battery is charged over a period of...Ch. 1 - The numerical values for the currents and voltages...Ch. 1 - The numerical values of the voltages and currents...Ch. 1 - Assume you are an engineer in charge of a project...Ch. 1 - The voltage and power values for each of the...Ch. 1 - The current and power for each of the...Ch. 1 - Show that the power balances for the circuit shown...Ch. 1 - Suppose there is no power lost in the wires used...
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