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Consider a 16-ary PSK system with symbol error probability PE = 10^{-5}. A Gray code is used for the symbol to bit assignment. What is the approximate bit error probability?
Cascade Water Company (CWC) currently has 30,000,000 shares of common stock outstanding that trade at a price of $42 per share. CWC also has 500,000 bonds outstanding that currently trade at $923.38 each.
3-1 Briefly describe some common types of cash larceny schemes.
A Big Mac has 3,100,000 Joules of chemical energy, what is the cost of the electric energy equivalent to the energy in a Big Mac
A 480-120 volt, 5kVA, 2-winding transformer is to be used as an autotransformer to supply a 480-volt circuit from a 600-volt source. When tested as a 2-winding transformer at rated load, 0.8 pf lagging, its efficiency is 0.965.
What is the WACC before and after the capital structure change. Should Brown increase their debt to 40%?
Assume a large physician group practice has a low return on equity (ROE). How could Du Pont analysis be used to identify possible actions to help boost profitability?
Design a full wave (Bridge) rectifier as a dc power supply that provides a peak dc output voltage of 15V on which maxiumum of 5% ripple is allowed. The rectifier feeds a load of 200Ω. The rectifier is fed from the line voltage (120V rms, 60 Hz) th..
In 2001, Genentech had 535.3 million average common shares outstanding, actual shares outstanding at year-end of 528.3 million and reported earnings per share of $.28. Genentech's reported net income in 2001 equals
If the company follows the residual dividend model, how much income must it earn, and what will its dividend payout ratio be?
We are imaging a field for NASA from a satellite. The field has vertical (sinusoidal) stripes that repeat at a rate of 1 stripe per meter. Our satellite has a CCD sensor (camera) that is 1 cm x 1 cm. This sensor has 1000x1000 pixels.
When a sinusoidal signal is used to frequency modulate a VHF carrier, the required bandwidth is 200 kHz. It is desired to retain the same modulation index while reducing the necessary bandwidth to 100 kHz.
Consider a system equation s^4 + s^3 + s^2 + 2s + 10 = 0. FInd out its Routh Table. Determine if this system is stable, marginal stable or unstable. How many roots are stable and how many roots are unstable.
the voltage across an element is 12e^-2t V. the current entering the positive terminal of the element is 2e^-2t A. Find the energy absorbed by the element in 1.5 seconds starting from t =0.
A student lifts a weight (W) using a motor powered by solar cells to determine the efficiency of the solar cell/motor system. On the power meter the voltage reads V and the current reads I. The student lifts the weight a distance H in a time T.
Compute the unit-pulse response h[n] for the discrete-time system y[n+2]2y[n+1]+y[n]=x[n] (for n = 0, 1, 2, 3).
a high power FM station of frequency 96.9 MHz has an antenna height of 1200 feet. If the signal is to be recieved 60 miles from the station, how high does the listener need to mount their anntena in this fringe area
A 2.5 meter long elastic cord is fixed at both ends. a) If the cord is vibrated at a frequency of 35-Hz, a n=3 standing wave is produced. with what speed do waves travel across the cord.
Assume the system shown in the Fig. is balanced, Rw = 0, Van = 208 angle 0 degree V, and positive phase sequence applies. calculate all phase and line currents, and all phase and line voltages, if Zp is equal to a) 1K ohms b) 100 + j48 ohm
The generator is delivering 48 MW to the bus bar at the rated voltage with its field current adjusted for a generated emf of 46 kV per phase. Determine the armature current and the power factor. State whether power factor is lagging or leading
Calculate the sag in a 90-yard span of a 0.035 -in^2 overhead line when covered with ice to a radial thickness of 5/8 in, in a wind that exerts a pressure of 9 lb/ft^2, assume the breaking load as 1620 lb and the weight of the conductor as 0.1 lb/..
A lossless transmission line, with characteristic impedance of 50Ω and eletrical length of l=0.27λ, is terminated by load impedance 40-j25Ω. Determine voltage reflection coefficient.
A DC source of 48V is connected to one end of the cable. The other end of the cable supplies a DC load. If the load current is 12.5 A, calculate the voltage drop due to the cable resistance and the laod voltage.
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