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Assume that you wish to estimate the spectrum of x[n] by applying a Kaiser window to the signal before computing the DTFT. You require that the side lobe of the window be 30 dB below the main lobe and that the frequency resolution be π/40. The width of the main lobe of the window is a safe estimate of the frequency resolution. Estimate the minimum window length L that will meet these requirements.
The PCI bus found in many desktop computers transmits 64 bits perclock cycle at a 33MHz clock rate. How does the bandwidth of the PCI bus compare to the serial firewire (IEEE 1394) serial busspecification, which is 400Mbits/s
consider a TSI for a system with four timeslots per frame. Draw a block diagram- it should have four 2-bit words, eight 8-bit words, and a 3-bit binary counter. Walk the TSI through three consecutive frames of incoming data.
(B). Calculate flatband voltage Vfb and sketch the band diagram at flat band. Label relevant values such as band offset and Fermi level offset.(C). Calculate threshold voltage VT and sketch the band diagram at the onset of strong inversion (defined i..
What is the cutoff frequency ωc for the resulting discrete-time filter?
A 3-phase,4pole star connected turbo alternater has a cylindrical rotar. The reactance and resistance perphase of winding is 2.5 ohms and 0.15 ohms.The alternater hasterminal potential difference of 6600V when delivering a current of250Amps.
A voltage pulse shown below is applied to a load and the current through the load was measured. Find the RMS value of the current i(t). Find the average power developed across the load. Is the load best described as resistive, reactive, or mixed? Bri..
A windmill park produces energy at a tension level of 11kV. The park is going to be coupled up with a 11kV net not far from the park. To reduce the loss in transer the tension is tranfomred p at the parka nd down again right before coupling to the..
(A) A 6-H and 4-H coil are connected in series. What is thevalue of the total inductance (B) What is the value of thetotal inductance when the same two coils are connected inparallel
A switch-mode dc-dc converter is operating at a switching frequency of 20kHz, and Vd=150V. The average current being drawn by the dc motor is 8.0 A. In the equivalent circuit of the dc motor, Ea=100V, Ra=0.25 ohm, and La=4mH.
about power supply that cnanges ac to dc voltage and which a zener diode on it jst need most the calculations of
The business plan for a start up company that manufacures multigas portable detectors showed equivalent annual cash flows of $400,000 for the first 5 years. If the cash flow in year 1 was $320,000 and the increase there after was $50,000 per year
Assume that a given transformer is 100% efficient; that is, the power being supplied by the primary side is transported without loss to the secondary side. (Transformers are not 100% efficient. One can detect this by the heat that they radiate.)
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