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In line-of-sight microwave radio transmission, the signal arrives at the receiver via two propagation paths: the direct path and a delayed path that occurs due to signal reflection from the surrounding terrain. Suppose that the received signal has the form
where s(t) is the transmitted signal, a is the attenuation (a
1. Determine the output of the demodulator at t = T and t = 2T that employs a filter matched to s(t).
2. Determine the probability of error for a symbol-by-symbol detector if the transmitted signal is binary antipodal and the detector ignores the ISL
3. What is the error-rate performance of a simple (one-tap) DFE that estimates a and removes the ISI? Sketch the detector structure that employs a DFE.
List any assumptions necessary for obtaining the solution. Draw any diagrams which can explain your solution method (such as energy flow, wiring diagram, free body diagrams, etc...).
A temperature sensor covers a range of 0 to 70 degrees C with an output sensitivity of 2 mV/degree C. The sensor is input to an ADC with voltage range of 0 to 4V. What is the value of the feedback resistor required for an inverting amplifier circu..
Assume, in addition, that X and Y are identically distributed, i.e., have the same pdf. Based on the result of (a) calculate the probability P(X>Y ).
An AM modulator has output xc(t) = A cos(2π300t) + B cos(2π270t) + B cos(2π330t) The carrier power is 200 W and the eciency is 30%. Determine A and B and the modulation index.
Discuss the procedure for design using anthropometric data. Include Confidence Intervals (CIs). Select any one anthropometric measurement for males or females in Table 5.3 and find 90% CI for the mean measurement of the population.
c) Consider a tachometer feedback for the amplifier and design a rate feedback compensator: design the minor loop for ζ = 0.8; then, design the outer loop for ζ = 0.7. Plot the step response.
Discuss why it is important to understand how interpret data from op amp datasheets. How might this skill be used when designing op amp circuits.
A 020-mm tapered hole (large end) with a 3-mm-wide slot on top is required for attaching the microphone to the holder. Lay out the holder and show the microphone in phantom lines.
What is the difference between the saturation and active regions of a BJT. What determines which region the transistor is in.
For a device with a failure probability of 0.02 when subjected to a specific test environment, use the binomial distribution to calculate the probabilities that a test sample of 25 devices will contain (a) no failures; (b) one failure; (c) more th..
Calculate the subtransient fault current seen by each circuit breaker due to a solid three-phase fault occur at all bus locations. Calculate the subtransient fault current seen by each circuit breaker due to a three-phase fault through an impedance o..
Explain how to use the knowledge of Structure-Property-Processing-Perfomance relationship to improve on a device based on semiconductivity. Name the device, describe how it is made, the principle guiding its function and application.
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