Q&A

What math is required for Fourier transform?

What math is required for Fourier transform?

You need only basic calculus, and linear algebra to understand Fourier analysis.

Is Fourier transform part of calculus?

The primary use for Fourier series is solving second order differential equations which is not typically taught in Calculus II. Also the basic theory behind Fourier series is infinite dimensional vector spaces, certainly not taught in Calculus II!

What course is Fourier transform?

The Fourier transform is both a theory and a mathematical tool with many applications in engineering and science. This course will emphasize relating the theoretical principles of the Fourier transform to solving practical engineering and science problems.

What should I learn before Fourier series?

You should be well versed in Ordinary Differential Equations, Boundary Value Problems, including Eigen Value Problems. Solving problems is very essential. You should also have studied a course on calculus.

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Why do we use 1 2pi in Fourier transform?

The pi-factor is there to insure symmetry between the fourier transform and its inverse. Without it, the inverse would need a factor of 1/2pi to compensate. Actually, some people do put the whole of the 1/2pi either in the FT, or in the IFT, and nothing in the other one.

What is difference between Fourier series and Fourier transform?

Fourier series is an expansion of periodic signal as a linear combination of sines and cosines while Fourier transform is the process or function used to convert signals from time domain in to frequency domain.

What Fourier transform is used for?

The Fourier transform can be used to interpolate functions and to smooth signals. For example, in the processing of pixelated images, the high spatial frequency edges of pixels can easily be removed with the aid of a two-dimensional Fourier transform.

How Fourier transform is used in image processing?

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The Fourier Transform is an important image processing tool which is used to decompose an image into its sine and cosine components. The output of the transformation represents the image in the Fourier or frequency domain, while the input image is the spatial domain equivalent.

Who discovered fourier series?

Jean Baptiste Joseph Fourier
Explanation: The Fourier series is the representation of non periodic signals in terms of complex exponentials or sine or cosine waveform. This was discovered by Jean Baptiste Joseph Fourier in 18th century.

What is the time reversal property of fourier series coefficients?

7. What is the time reversal property of fourier series coefficients? Y(t) = x(-t)↔Yn=X-n. That is the time reversal property of fourier series coefficients is time reversal of the corresponding sequence of fourier series.

Can you take the square root of pi?

Because all square roots of irrational numbers are irrational numbers, the square root of pi is also an irrational number. Just like we approximate the value of pi to be 3.14, we can approximate the square root of pi to be 1.77.