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Two flat-topped PAM signals are time-division multiplexed together to produce a composite TDM PAM signal that is transmitted over a channel. The first PAM signal is obtained from an analog signal that has a rectangular spectrum, W1(f) = Π(f/2B). The second PAM signal is obtained from an analog signal that has a triangular spectrum W2(f) = (f/B), where B = 3 kHz
(a) Determine the minimum sampling frequency for each signal, and design a TDM commutator and decommutator to accommodate these signals.
(b) Calculate and sketch the magnitude spectrum for the composite TDM PAM signal.
Cinema Theater has estimated the following demand functions for its movies: Daytime demand, QD = 400 - 50 PD Nighttime demand, QN = 200 - 20 PN The marginal cost of serving another customer is $5 and its fixed costs are $100.
Suppose the own rice elasticity of demand for good X is -2, its income elasticity is 3, its advertising elasticity is 4, and the cross-price elasticity of demand between it and good Y is -6. Determine how much the consumption of this good will cha..
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Determine whether each of the following increases, decreases, or remains unchanged in the short run: the market interest rate, the quantity of money demanded, investment spending, aggregate demand, potential output, the price level, and equilibriu..
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Which angle provides more contrast between the two tissue types? Repeat at t = 500 ms and compare the contrast to the previous case.
Assume, instead, that the economy in exercise 19.10 lasts only for two periods. In the first period, there is only a young consumer. In the second period, there is one old consumer and a new young consumer. At the end of the second period, the eco..
Does this evidence necessarily imply anything about the shape of the SRIA curve? How might you interpret these data?
Based on both research and the above figures, briefly discuss whether the country you have been assigned to and Australia was hurt more by the GFC in terms of changes in real GDP and unemployment.
Assume an economy's annual money velocity in circulation is 10. Please answer the following two questions: a. If the annual nominal GDP is $200 trillion, how much money supply are enough for money demand b. In the view of monetarists
If you have a times series data set with 100 years worth of data that you use to estimate a distributed lag model of order 3, how many degrees of freedom will you have for hypothesis testing on estimated coefficients
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