Find the spectrum of waveform, MATLAB Programming

(a) Find the spectrum of this waveform:  x = [ exp( -[0:1:49]/10), exp(-[50:-1:1]/10)]. Subplot only the magnitude by using the spectrum program from the class notes.

(b) Using this information from the 100-point DFT, re-create the waveform by summing the sinusoidal contributions from all the DFT coefficients as done in lecture. Show both the waveform x and its re-creation xhat on another subplot. (The waveforms might merge into one figure so the mean square error is effectively zero in this case.)

(d)  Using MATLAB, find the index n0 at which the spectral magnitude falls below 0.05 of its maximum (which is a point beyond which there is little energy left in the higher frequencies.)

(e)   Using only the first n0 DFT coefficients, generate the waveform and plot in Matlab by using the symmetry properties of the transform. Plot xhat over the actual signal and annotate the plot to indicate the value of the calculated mse. Title and label the axes. Submit plot and code.

Posted Date: 3/8/2013 4:42:18 AM | Location : United States







Related Discussions:- Find the spectrum of waveform, Assignment Help, Ask Question on Find the spectrum of waveform, Get Answer, Expert's Help, Find the spectrum of waveform Discussions

Write discussion on Find the spectrum of waveform
Your posts are moderated
Related Questions
how to control a suspension by linear quadratic regulator method?

how to obtain matlab coding for the market clearing price


Output Statements: disp and fprintf: The Output statements display strings and the answers of expressions and can permit for formatting or customizing how they are exhibited.

khdjkafhoi woiruwoi epojrpeo

http://messenger.providesupport.com/messenger/ae.html?ps_s=U4nFMQo4BP04

Hi I''m wondering if someone can help me with Matlab coursework

Types: Each and every expression, or variable, has a type related with it. The MATLAB supports numerous types of values that are known as classes. A class is necessarily a com

the cost t in hundreds of dollars of tuition and fees at many community college can be approximated by t=1/2c+5 where c is the number of credits for which a student registers. ( 2

How do I compute and plot a temperature profile along the x axis from -6 to 6 given the equation for steady state heat conduction and boundary conditions