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(a) Try to design a system for the acoustic recognition of people ("door openers" in the field of security).
(b) What technical possibilities can you think of to outwit a system of this kind?
(c) What measures could you take to prevent this?
As an Industrial Engineer you are asked to conduct a feasibility study to justify the consolidation of tools and gauge cribs and providing a dispatching system in a manufacturing plant so that tools and gauges can be delivered directly to the prod..
Calculate the range of the variable capacitor necessary to cover the entire band.
Give a detailed block diagram of a microcontroller based data acquisition system and label it well.
a motor consists of a coil with 200 turnsspinning a circular area with radius of 1.5cm.the loop carries anaverage current of 2.0 amps and rotates at 2000 rev/min in amagnetic field of 300 mv/c. how much mechanical power does the motor provide
1. What happens to both resolution and full-scale output when the reference voltage on a DAC is increased by 20% a. resolution gets better by 20%, output goes down by 20% b. resolution gets worse by 20%, output goes up by 20%
An isolated 75MVA synchronous generator feeds its own load and operates initially at no-load at 3000 r.p.m., 50 Hz. A 20MW load is suddenly applied and the steam valves to the turbine start to open after 0.5 s due to the time-lag in the governor syst..
Draw the circuit diagram of Four-diode Full-wave Bridge Rectifier and explain its operation. What are its advantages and disadvantages
Two coupled coils have self-inductances L1 = 50 mH and L2 = 200 mH, and a coefficient of coupling k = 0.5. If coil 2 has 1000 turns, and I1 = 5Sin (400t) (i.e. the phasor current is 5? -90° A). Find the voltage at coil 2 and the flux through coil ..
An ideal voltage source produces a dirac delta function, an impulse spike to a series resistor, capacitor combination. R = 10.000 ohms, C = 0.039 uF. Calculate the initial voltage that the capacitor charges to at t = 0+.
Optical Isolation of Electrophysiological Signals and design Guidelines for Optocoupler Safety Agency Compliance.
A capacitor of capacitance C=10-6 F is discharged through the resistor of resistance R=10 Ohm. (Switch is closed at t=0) When the energy stored in the capacitor will be half of its initial value
2a)When the piston on the double-acting cylinder is retracted (completes the instroke), the piston activates the roller control the left side of the 5/3 pilot valve, releasing air at the top left of the 5/3 and causing the piston to outstroke. Air in..
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