Describe basic fourier theory, Engineering Mathematics

Assignment Help:

An experiment conducted over time T necessarily produces a windowed view of the phenomenon generating the data. It is a useful strategy to regard the windowed data as one period of a periodic function. Then one may write

979_Basic Fourier Theory.png

and seek to calculate the Fourier coefficients cn from the integral expression

418_Basic Fourier Theory1.png

Large values of cn will be regarded as a quantitative indication of a genuine periodic change in the phenomenon under study. In digital form the relevant equations are

 

970_Basic Fourier Theory2.png

The time interval [0,T] has been marked out in equal steps T/N, and frequency fn = n/T has been replaced by the dimensionless quantity n/N.


Related Discussions:- Describe basic fourier theory

11, y''(x)=2*10^-6*y(x)(100000-y(x))

y''(x)=2*10^-6*y(x)(100000-y(x))

Simlple annuities and its application, analyn bought a dining set.She paid ...

analyn bought a dining set.She paid 2500 as a downpayment and promised to pay 800 @ the end of each month for year.What s the cash eqivalent of the set if the interest rate is 10%

Saving account at birth of their children, Parents put $1000 into a saving ...

Parents put $1000 into a saving account at birth of their children. If the account earns interest at 7% p.a compounded yearly, how much money will be in the account when their chil

Provide a derivation, This is a pen and paper exercise, you are expected to...

This is a pen and paper exercise, you are expected to provide a detailed derivation. Follow the procedure outlined in the lectures for construction of a simple averaging by thr

Vector, for what values of (a,b) does the point P (0,a,b) lie on the line t...

for what values of (a,b) does the point P (0,a,b) lie on the line through Q (1,-1,4) and R (2,3,5)?

Modelling equations , how to model equations to determine the amount of oil...

how to model equations to determine the amount of oil in a reservior

Power transmission, P=(Fv- ? Av3) (1-e-µ?) P is Power v is velocity of the ...

P=(Fv- ? Av3) (1-e-µ?) P is Power v is velocity of the belt ? is the density of the belt material ? = 1200 kg/m3 A is the cross sectional a

Convolution, can you tell me what is the physical intrepetation of convolut...

can you tell me what is the physical intrepetation of convolution theorm or convolution integral?

Weighted aggregate , The data of the table below give details of the compon...

The data of the table below give details of the components, prices and standard quantities used in making a kind of chemical. Measure  the composite index with 2007 as base year us

Write Your Message!

Captcha
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