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A pulsar lies 1000 light years from Earth. The average plasma concentration is 1 el/cc (note units!). Using the plasma dispersion relationship for group speed, what is the group delay between a pulsar pulse received at 1 GHz and at 800 MHz? Please show the analytical solution where you have expanded (using a Taylor series keeping the constant and first order terms) the solutions at both frequencies about a total transit time of 1000 years (speed of light in a vacuum result) such that subtracting one from the other leaves just the delay that is of order of 1 second.
A DSSS-CDMA signal has a chip sequence that is 1,000 chips in length. The sequence repeats every millisecond. Define DSSS-CDMA Chip Sequence
Each pole of a 100kW, 250v flet-compound generator has a shunt field of 2000 turns and a series field of 7 turns. If the total shunt field resistance is 100 ohms
what is transmission velocity and how it is different from drit velocity. Drift velocity the actual (physical) velocity of electrons along the wire.
The magnetic tape recorder uses linear analog to digital encoding. Telephone systems use non linear analog to digital conversion. Explain the difference.
SR flip flop from D Flip flops, Show how to build a rising edge triggered SR flip-flop using a rising edge triggered D flip-flop and combinational logic.
Explain the function of the HMI in a SCADA system.
A cable TV company delivers video signals over coaxial cable to individual houses. Video signals occupy a bandwidth of 6 MHz and are stacked in frequency from 50 MHz to 656 MHz without guard bands
Is the second law satisfied? Will this refrigerator still satisfy the second law if its coefficient of performance is 6?
A DSSS-CDMA signal has a chip sequence that is 10,000 chips in length. The sequence repeats every millisecond. What is the chip rate?
Need for radical future plans to alleviate the very real problem we are faced with in New Zealand and address this problem, by providing an answer to Transpower
what are the different methods used in frequency response analysis
Explain the following terms; (i) critical radius of insulation. (ii) economic lagging thickness.
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