Determine the number of complex multiplications

Assignment Help Electrical Engineering
Reference no: EM131083920

Given a sequence x(n) for 0 ≤ n ≤ 3, where x(0) = 4, x(1) = 3, x(2) = 2, and x(3) = 1, evaluate its DFT X(k) using the decimation-in-frequency FFT method, and determine the number of complex multiplications.

Reference no: EM131083920

Questions Cloud

Chipmunks in rocky mountain national park : Find a 90% confidence interval for the mean September weight of all chipmunks in Rocky Mountain National Park
Determine what your position is with dealing with terrorists : Determine what your position is with dealing with terrorists. Consider whether the United States should negotiate with groups that are religious or apocalyptic in their objectives, such as "Islamic State," as opposed to groups that are political.
For the cdma communications system : For the CDMA communications system of Problem 8.3.9, a detection strategy known as decorrelation applies a transformation to Y to generate
Effective time duration of a safe dosage : Researchers at a pharmaceutical company have found that the effective time duration of a safe dosage of a pain relief drug is normally distributed with mean 2 hours and standard deviation of 0.20 hours.  For a patient selected at random:
Determine the number of complex multiplications : determine the number of complex multiplications.
In a code division multiple access : In a code division multiple access (CDMA) communications system, k users share a radio channel using a set of n-dimensional code vectors {S1,..., Sk} to distinguish their signals.
Sketch the given varieties : Math 176: Algebraic Geometry, Fall 2014- Assignment. Sketch the following varieties in R3- V(xz2 - xy) and V(x4 - zx, x3 - yx)
The transmitter sends one of four equally likely symbols : For the QPSK communications system of Example 8.13, identify the acceptance sets for the MAP hypothesis test when the symbols are not equally likely. Sketch the acceptance sets when σ = 0.8, E = 1, P[H0] = 1/2, and P[H1] = P[H2] = P[H3] = 1/6.
Estimate the proportion of non-grads : How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 8% with 90% confidence?

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find what is output resistece r0 for each of the two case

An IC NMOS transistor has W=100μm, L = 10μm,μnCox= 20μA/V2, VA= 100 V, γ = 1/2 V1/2, Vt0= 1V, and 2φf= 0.6V. calculate the value of Vt at VSB= 4V. Also for VGS=3V and VDS=5V, Calculate ID for VSD = 0V and for VSB = 4V

  What isthe minimum sampling frequency to avoid aliasing

a.) What isthe minimum sampling frequency to avoid aliasing b.)If the sampling frequency of fs=2500 samples/sec is used how many samples must be taken to give a frequency resolution of 10Hz

  What is the magnitude of the deflection on the screen caused

An accelerating voltage of 2.45 *10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 35.3 cm away.

  What are the impulse responses for the 4 matched filters

a. Draw the block diagram for a coherent receiver for QPSK using the same basis signals as in problems ("What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of th..

  Find an expression for output voltage as a function of time

Consider a system for which the output voltage is vout(t) = vin(t) + vin(t - 10^-3). (In other words, the output equals the input plus the input delayed by 1 ms). Given that the input voltage is vin(t) = Vmax*cos(2*pi*f*t),

  Determine location-polarity and magnitude of a third charge

Multiple charges at different locations are said to be in equilibrium if the force acting on any one of them is identical in magnitude and direction to the force acting on any of the others. Suppose we have two negative charges

  Show that if v is perpendicular to b

A particle of mass m and charge q moves in a uniform, constant magnetic field B. Show that if v is perpendicular to B, the particle moves in a circle of radius

  What speed ship will attain in 1day assuming that reflection

A 10 kW laser beam pointing at the ship is turned on at t=0. What speed the ship will attain in 1 day assuming that the surface of the ship is perfectly reflective and perpendicular tot the beam.

  Find the voltage vab from the top to the bottom surface

Two infinite sheets of charge lie parallel to each other, separatedby a distance d. The upper and lower sheets have surfacecharge densities ρsa andρsb[C/m2], respectively. find the voltage Vab from the top to the bottom surface.

  Determine the slope of the bh curve

For most low reluctance materials currently available and used in practical magnetic devices such as transformers, the slope of the BH curve may be always be considered constant over the possible range of operation of the device.

  How much energy is deleivered during last 5 min of discharge

a new type of battery deleivers 10 watt of powr for 8 hours without voltage or current fluctuation. after 8 hours, however thepower output drops linearly from 10 watt to 0 in only 5minutes. (a). what is energy storage capacity of the battery

  What is the shortest possible line length

what is the shortest possible line length that would exhibit the desired reactance at its input?

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