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DFT (Discrete) and FFT Fast Fourier Transform Matlab Examples

I need Matlab examples on FFT.

The examples must be made as clearly as possible. By this I mean it has to be a step-by-step, with all of the steps explained and thorougly commented, to lead to the final answer.

The examples should be based on a known frequency .wav files; like, for example, a 440Hz wav file, or a DTMF file (there should be a DTMF file.

These .wav files should be made also using Matlab.

Then, these .wav files would be "processed" by this Matlab example.

By processed, I mean, but not only: to plot the original file; get the samples (and here well commented on what happens if you get more samples, the influence of amount of samples on lower frequencies and higher frequencies, etc), do the FFT, plot, reconstruct the frequency based on the FFT, plot.

All of the steps must have, and I insist on the must, a very well commented explanation on what is happening.

The objective here of this project is to have plentiful of examples and to understand DFT and FFT.

If freelancer wishes, and I do prefer, I can check all the steps and keep this communication open to check the progress and keep freelancer aware of what is being done and I can also raise questions.

*****No initial milestone will be granted. I will place the full milestone before project starts, but it will only be released, if, and only if, the project meets what I need.

****No Matlab toolbox should be used!!!

In time: deadline will be taken seriously, ladies and gentlemen.

I had a question if it was OK about using built in functions of Matlab.
Since I want to learn the basics of DFT and FFT, the use of built in functions will not be accepted, except for the basic ones, of course.

Kỹ năng: Kĩ thuật điện, Điện tử, Matlab and Mathematica

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Về Bên Thuê:
( 35 nhận xét ) BRASILIA, Brazil

Mã Dự Án: #1747948

Đã trao cho:


I can do the work

$150 USD trong 7 ngày
(0 Đánh Giá)

Hi I am an electrical engineer and have studied DSP during my studies. I have done such assignments before and can easily pull it off. If you give the project to me, we can hammer out the details and start the project.

$80 USD trong 5 ngày
(8 Đánh Giá)

hi.. we can do this easily

$60 USD trong 1 ngày
(3 Đánh Giá)

10 freelancer đang chào giá trung bình $193 cho công việc này


hi, i can help.

$300 USD trong 10 ngày
(49 Đánh Giá)

Hi I am an Electronic Engineer and interested in doing this job for you. Thanks

$300 USD trong 13 ngày
(11 Đánh Giá)

If you can afford, professional from from signal processing domain can explain all these steps to you.

$234 USD trong 25 ngày
(26 Đánh Giá)

I can handle it. Plz check your PM for further info.

$220 USD trong 4 ngày
(7 Đánh Giá)

Bachelor's in EE, working on Ph.D. in BME. Well acquainted with DSP and Fourier analysis, as well as MATLAB. Let me know exactly what you need and the timeframe in which you need it, and I'll inform you whether or no Thêm

$150 USD trong 3 ngày
(0 Đánh Giá)

I am matlab and hardware [url removed, login to view] seems like a academic [url removed, login to view] be easier than what we do.I can do it with proper explanation

$200 USD trong 10 ngày
(0 Đánh Giá)

Hi..engineer here..I can do it.

$150 USD trong 3 ngày
(0 Đánh Giá)

I have a lot experience in signal processing and I did some project like this.

$150 USD trong 10 ngày
(0 Đánh Giá)