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Why do we need Fourier transform even we have Fourier series?

Why do we need Fourier transform even we have Fourier series?

The Fourier Transform is an important image processing tool which is used to decompose an image into its sine and cosine components. The Fourier Transform is used in a wide range of applications, such as image analysis, image filtering, image reconstruction and image compression.

How did Fourier come up with the Fourier transform?

Fourier, a French military scientist, became interested in heat transfer in the late 1790s. During this time, his obsession with heat transfer drove him to derive an equation describing the conduction of heat in solid bodies. Within seven years, he invented the Fourier transform to solve this equation.

Why is the Fourier transform useful?

The Fourier transform gives us insight into what sine wave frequencies make up a signal. You can apply knowledge of the frequency domain from the Fourier transform in very useful ways, such as: Audio processing, detecting specific tones or frequencies and even altering them to produce a new signal.

What is Fourier transform and its application?

The Fourier Transform is an important image processing tool which is used to decompose an image into its sine and cosine components. The Fourier Transform is used if we want to access the geometric characteristics of a spatial domain image.

What is the significance of Fourier series in vibration?

The fast Fourier transform (FFT) is an efficient algorithm used to compute a discrete Fourier transform (DFT). This Fourier transform outputs vibration amplitude as a function of frequency so that the analyzer can understand what is causing the vibration.

How does Fourier series make it easier to represent periodic signals?

Explanation: Fourier series makes it easier to represent periodic signals as it is a mathematical tool that allows the representation of any periodic signals as the sum of harmonically related sinusoids.

How does Fourier transform work?

In mathematics, a Fourier transform (FT) is a mathematical transform that decomposes functions depending on space or time into functions depending on spatial or temporal frequency, such as the expression of a musical chord in terms of the volumes and frequencies of its constituent notes.

Why Fourier series is important in engineering?

Fourier series, in mathematics, an infinite series used to solve special types of differential equations. It consists of an infinite sum of sines and cosines, and because it is periodic (i.e., its values repeat over fixed intervals), it is a useful tool in analyzing periodic functions.

What is the importance of Fourier series in engineering?

What is a Fourier transform and why it is so important in communication systems engineering?

In the theory of communication a signal is generally a voltage, and Fourier transform is essential mathematical tool which provides us an inside view of signal and its different domain, how it behaves when it passes through various communication channels, filters, and amplifiers and it also help in analyzing various …

What does Fourier transform means?

The Fourier Transform is a mathematical technique that transforms a function of time, x(t), to a function of frequency, X(ω). It is closely related to the Fourier Series. A little work (and replacing the sum by an integral) yields the synthesis equation of the Fourier Transform.

What does Fourier series represent?

A Fourier series is a way of representing a periodic function as a (possibly infinite) sum of sine and cosine functions. It is analogous to a Taylor series, which represents functions as possibly infinite sums of monomial terms. A sawtooth wave represented by a successively larger sum of trigonometric terms.