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Why are RFID and wireless sensor networks (WSNs) valuable for business?
• Define RFID, explain how it works, and describe how it provides value to businesses.
• Define WSNs, explain how they work, and describe the kinds of applications that use them.
For a z-biased ferrite medium, show that the relation between B and H can be expressed in terms of a diagonal tensor permeability as follows
By making a plot of output SNR versus demodulation phase-error variance for the case in which normalized mean-square error is 0.4%, show the region of satisfactory system performance. Repeat for a DSB system. Plot both curves on the same set of ax..
The use of aluminium alloys in automotive applications is one of the following energy material(s) topics in the world.
An ad hoc 2 Mbps WLAN using aloha protocol connects two stationswith a distance of 100 m from one another-each, on the average ,generating 10 packets per second. If one of the terminals transmitsa 100- bit packet
design a passive 1-pole rlc notch filter suitable for filtering out 60hz pickup noise. use complex impedance to
Air enters an adiabatic nozzle steadily at 300 kPa, 20076;C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air
A three-phase Y- connected load is rated at 240 volts with power factor .95 (lagging), if the total apparent power is 240 KVA, compute: a. the phase currents (in polar form). There are 3 values. b. the active and the reactive power of the load at it..
A positive charge q1 is located to the left of a negative charge -q2. On a line passing through the two charges, there are two places where the total potential is zero. The first place is between the charges and is 4.00 cm to the left of the negat..
a. Plot the spectra of X(w) = t sinc(wt/2). Let t = 1 and -20 =
Modify the state diagram branching conditions in the diagrams below as needed to ensure the sum and exclusion rules are obeyed in each case.
what is the maximum load current for which the Zener remains in breakdown operation? For half this load current, what is the lowest supply voltage for breakdown opera-tion?
Calculate the output resistance of the device, dIC/dVC, for 0
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