The Fourier transform is a mathematical operation that transforms a time-domain signal into its constituent frequencies, providing a frequency-domain representation. It is a fundamental tool in signal processing, physics, and engineering, allowing for the analysis and manipulation of signals in various applications.

Fourier Transform

Mathematical Operation

A time-domain signal represents how a signal's amplitude varies over time, providing a direct observation of the signal's behavior in the temporal dimension. This representation is fundamental in analyzing and processing signals in various fields such as telecommunications, audio processing, and electrical engineering.

Time-Domain Signal

Constituent frequencies

Frequency-domain representation

Signal processing involves the analysis, manipulation, and synthesis of signals such as sound, images, and scientific measurements to improve transmission, storage, and quality. It is fundamental in various applications, including telecommunications, audio engineering, and biomedical engineering, where it enhances signal clarity and extracts useful information.

Signal Processing

Physics is the fundamental science that seeks to understand the nature and behavior of matter and energy in the universe, covering phenomena from the smallest subatomic particles to the largest cosmic structures. It provides the foundational principles that underpin other sciences and technologies, offering insights into the laws governing the physical world and enabling advancements in various fields.

Physics

Engineering is the application of scientific and mathematical principles to design, build, and analyze structures, machines, and systems, aiming to solve real-world problems efficiently and sustainably. It encompasses a wide range of specialized fields that address various aspects of technology and innovation, driving progress in industries and improving quality of life.

Engineering

Analysis and manipulation of signals

Various Applications

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삼각함수의 기본 원리와 응용

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Concepts

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