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For a 10-GHz signal in RG-52/U waveguide (described in problem 17), calculate:
(a) the phase velocity
(b) the group velocity
(c) the guide wavelength
(d) the characteristic impedance
Problem 17
RG-52/U waveguide is rectangular with an inner cross-section of 22.86 by 10.16 mm. Calculate the cutoff frequency for the dominant mode and the range of frequencies for which single-mode propagation is possible
Briefly describe five difficult problems for organizations that create and use multiuser databases.
The adjacent sides of a parallelogram measure 14 centimeters and 20 centimeters, and one angle measures 57°. Find the area of the parallelogram.
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Review the five criteria for effective OO modularity discussed in Section 22.1.2. Using the design approach described later in the chapter, demonstrate how these five criteria are achieved.
Given x & y coordinates of wells, how must professor consultant choose the optimal location of main pipeline (the one which minimizes total length of spurs).
If the balance becomes negative, the purchase of food items is not allowed. There is obviously more than one way to implement theMealCard class.
Assuming no change in water pressure and the water temperature constant at 300 K, determine the pumping power required if the water experiences a change in elevation of 15 m.
The following summary must be at least 300 words and list the URL for the article you summarize. Find an online article regarding Disaster Recovery OR Business Continuity.
Profit is shared between four partners, A,B,C and D. A and B each receives three times the amount that D receives, while C receives double the amount that D receives. if the profit is R247500, then the amount that D receives is?
What is meant by the term "nested" IF/ELSE instructions? Give at least one example of a nested IF/ELSE instruction using pseudo code and flowcharts to describe your answer.
Give a counterexample to illustrate this point.
A researcher claims that a twoproportion z-test could tell whether there was a real difference among all teens. Explain why that test would not be appropriate for these data.
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