Determine what is the sampled signal x equal to

Assignment Help Electrical Engineering
Reference no: EM13279237

Consider the signal
x(t) =sin(0.5t) / 0.5t
(a) Find the Fourier transform X(Ω) of x(t).
(b) Is x(t) band limited? If so, find its maximum frequency Ωmax.
(c) Suppose that Ts = 2π. How does Ωs relate to the Nyquist frequency 2Ωmax? Explain.
(d) What is the sampled signal x(nTs) equal to? Carefully plot it and explain if x(t) can be reconstructed.

Reference no: EM13279237

Questions Cloud

Should new issue be undertaken based on earnings per share : Assume that American Health Systems can earn 12% on the proceeds of the stock issue in time to include them in the current year's results. Should the new issue be undertaken based on earnings per share?
Find the force exerted by the worker : A 55 kg block of ice slides down a frictionless ramp that is 2.0 m long and 0.91 m high. Find the force exerted by the worker
Define the gas is expanded isothermally and reversibly until : For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?H. a) the gas is expanded isothermally and reversibly until the volume doubles
Which is not a typical benefit of credit derivatives : Which is not a typical benefit of credit derivatives? (a) They make it easier to price other securities that have credit risk. (b) They may be designed for the diversification of credit risk away from other risks
Determine what is the sampled signal x equal to : (a) Find the Fourier transform X(Ω) of x(t). (b) Is x(t) band limited. If so, find its maximum frequency Ωmax. (c) Suppose that Ts = 2π. How does Ωs relate to the Nyquist frequency 2Ωmax. Explain.
Which of the following is not a benefit of the spline method : Which of the following is not a benefit of the spline method of estimating discount functions across a spectrum of maturities?
Can we measure progress in ethical maturity of our society : Have we, as a society, become more or less ethical than we were 10 – 20 or even 50 yrs ago? Is it the media awareness that has made us appear less ethical when we really are not? Can we measure progress in ethical maturity of our society?
Explain what is its solubility at 25 °c and 1470 torr : At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
Create a x-y scatter plot of your data : Create a X-Y scatter plot of your data, with the return on the stock as the vertical axis and the return on the market as the horizontal axis. Name this chart as SCATTER in your workbook and be sure to label the axes.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  What is the time needed to complete the faster process

A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000 C for two hours to form a ‘dense.

  What are the x and y componenets of its acceleration

A small object with mass 3.20 kg moves counterclockwise with constant speed 5.50 m/s in a circle of radius 4.20 m centered at the origin. It starts at the point with position vector (4.20i hat + 0 j hat ) m. T

  Calculate the increase in speed in rpm during the interval

Suddenly there is a short-circuit on the electric grid, and the electrical output goes to zero for 2 seconds. Calculate the increase in speed in rpm during this interval. Assume that the shaft-torque remains constant

  Determine vemf and draw the polarity with a sketch

the z-axis carries a 10mA current in the +z direction. A second line of current parallel to the first is located at x= 0, y=3cm carrying a 10 mA current in the -z direction. A rod exists in the y-z-plave from y= 1cm to y= 2 cm. velocity u = 2m/s z..

  Find the mass flow rate in sec at inlet and mass flow rate

steam flows through a turbine one inlet and two exits with know condition at the steady state ( hints: h1=3231KJ/kg, h2=2812 KJ/kg , specific volume (v)= 0.0994 m^3/kg , at p= 30 bars,v=0.4045m^3/kg, at p=5 bars, no potential and kinetic energy ch..

  Determine and sketch frequency response for resulting filter

A three-point symmetric moving average filter, referred to as a weighted moving average is of the form \(y[n]=b(ax[nu22121]+x[n]+ax[n+1])\) (a) Determine as a function of a and b the frequency response \(H(e^{j\omega})\) of this system.

  Find the rated phase currents of a delta-connected source

A delta-connected source has a line-to-line voltage rating of 470 Vrms. Its wye-connected load has a power rating of 2125 W with a pf of .85 lagging. Find the rated phase currents.

  Design a simple pnp current source for output current

(a) Design a simple PNP current source to give an output current of IO = 0.5 mA (nominal value). The transistor parameters are f = 50, VEE = 10 V, VCC = 10V, |VBE| = 0.7 V, |VCEsat| = 0.3 V and VA = 50 V (for all transistors)

  What is the value of the total circuit complex impedance

An input signal of 10V at 0o and a frequency of 1592 Hz is applied to a series RLC circuit with resistor R = 1000 ohm, inductor L = 0.2 H, and capacitor C = 0.1 F. what is The value of the total circuit complex impedance

  Create menus and sub menus to allow user to select functions

Create menus and sub menus to allow the user to select the functions they need. 1. Allow the user to enter 20 inventory items into the program. Use string arrays to track the name of the of the product and use double arrays to store the price of e..

  Write down the expression for the frequency-dependent

Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..

  Calculate armature current and total losses in the machine

A 240kW 500 Volt 1750rpm separately excited dc generator has an overall efficiency of 94%. The shunt field resistance is 60ohms, and the rated current is 5amps. The I^2R loss in the armature is 0.023pu.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd