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Figure P7.54 shows the frequency response Ae(ejω) of a discrete-time FIR system for which the impulse response is
(a) Show thatAe(ejω) cannot correspond to an FIR filter generated by the Parks-McClellan algorithm with a passband edge frequency of π/3, a stopband edge frequency of 2π/3, and an error-weighting function of unity in the passband and stopband. Clearly explain your reasoning. Hint: The alternation theorem states that the best approximation is unique.
(b) Based on Figure P7.54 and the statement that Ae(ejω) cannot correspond to an optimal filter, what can be concluded about the value of L?
In any chemical fabrication process (eg. wet etching or CVD) there are two main regions where the reaction rate is dominated by different processes. Name them and explain what each of those regions mean.
Find the surface force on a small area dA of the surface x 2+ y2+ 2z2= 4 at the point (1, 1, 1).
Compute the basic checksum, the 1's complement checksum, and the 2's complement checksum for each of the following groups of 8-bit data elements using both the basic calculation of the datasum and the one's complement datasum.
Now continually increase the height h of the foreground areas for different trials. Explain the trade-off necessary to keep track of the object throughout the image sequence. What influence do the frame rate and the number of particles have?
many hoped an investment by the current administration in clean energy would improve our electric grids and create
Electricity is distributed from electrical substations to neighborhoods at 15,000 Volts, to a transformer on utility poles near homes, where is it stepped down to 120 Volts for household use.
b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed. c. Find load current in amps, current through the transmission line in amps, generator current in amps, and the genertor voltage in volts.
Unpolarized light is incident on three polarizers: The first making an angle of 0 degrees with the vertical; the second making an angle of ? degrees with the vertical; and the last one making an angle of 90 degrees with the vertical.
A four-input summing amplifier has all input resistors at 10 k and the feedback resistor equal to 2.2 k. If the input voltages are all equal to 2 V, what is the output voltage
The power supplied by a certain battery is a constant 6.0 W over the first 5 minutes, zero for the next 2 min, a value that increases linearly from zero to 10 W during the next 10 minutes, and a power that decreases linearly from 10W to zero in th..
Consider an object that has homogeneously textured surface with maximum spatial frequency of (fx,fy)=(3,4) cycle/ meter and that is moving at a constant speed of (Vx,Vy)=(1,1) meter/second.
The can's initial volume at 5 °C is 7.2 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6 (C°)-1. When the can and the liquid are heated to 87 °C, 7.0 × 10-6 m3 of liquid spills over.
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