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Draw a diagram of a minimum-configuration fibre interferometer gyroscope. Label the system components and briefly describe, with reasons, the desirable features and main function of each component in the system. For a fibre gyroscope consisting of a circular coil of N turns of fibre, derive a formula expressing the optical phase shift ?φ produced by a rotation rate Ω in terms of the coil area A and source wavelength λ0. Use your formula to calculate the unambiguous range of rotation rate measurable by a gyroscope employing an 830 nm source and 700 m of fibre wound on to a coil of 10 cm diameter. How could this range be extended?
Give the two transfer functions for MIMO systems, the cascade and positive feedback system. show the drawing.
An electric bass amp is advertised as being able to deliver 200 Watts toan 8 Ohm speaker and 300 Watts to an 4 Ohm speaker. If the amp is a voltage source with an internal resistance, what is the value of the internal resistance
An engineer decides to take 600 samples at sampling frequency 9000Hz. A Fast Fourier Transform (fft) program was applied to obtain the frequency spectrum of the signal. What is the frequency resolution,df, for the analysis
Suppose that the data collected from a sensor is found to contain an objectionable 60-Hz ac component. What potential causes for this interference would you look for? What are potential solutions for each cause of the interference?
Three single phase transformers with a turns ratio of 1:1 are connected to form a three phase transformer. The transformer input is a three wire three phase 120V (line-to-line) system. the transformer output supplies a "Y" connected three phase lo..
A parking meter accepts only quarters, which are worth one half hour each. A car may park at the meter for a maximum of 90 minutes; and the meter does not give change- quarters beyond 90 minutes are accepted, but don't increase the meter's count.
In a single-phase rectifier the input current can be approximated to have a triangular waveform every half cycle with a peak of 10A and a base of 60. Calculate the rms current through each diode.
An inductor, a 1 k resistor, and a switch are connected in series across a 6 V battery. At the instant the switch is closed, the inductor voltage is:
find the transfer function and resolution for a 10-turn, 4.7k potentiometer with 3450 degrees of rotation and a 0 to 5 volt output. calculate the resolution in ohms per volt
Show that the sum of any two forward time-like vectors is itself forward time-like, and hence that the sum of any number of forward time-like vectors is its self forward time-like.
In a game, half of the (large) pool of potential opponents are beginners, a third intermediates, and one sixth are masters. Your chances of beating them are 60% for beginners, 30% for intermediates, and 10% for masters.
For a given transmission line, the characteristic impedance is 40 Ohm and the load impedance is 65 Ohm. What is the reflection coefficient?
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