傅立叶变换以及逆变换

资 源 简 介

（1）用matlab开发的傅立叶变换以及逆变换的一个例子，测试通过无误。（2）C＋＋编写的傅立叶以及逆傅立叶变换程序源代码，测试通过。

详 情 说 明

This document contains two examples of Fourier transforms and their inverse transforms, developed using Matlab (1) and C++ (2). Both have been thoroughly tested and have proven to be accurate. The Fourier transform is a mathematical technique that transforms a function of time, which is typically a signal, into its frequency domain representation. This technique is widely used in fields such as signal processing, image processing, and data compression. The inverse Fourier transform, on the other hand, transforms the frequency domain representation back into the time domain. These transforms are incredibly useful in fields where time-domain data needs to be analyzed and manipulated in the frequency domain.

In the Matlab example (1), the Fourier transform and inverse transform were developed using Matlab's built-in functions. This example could be useful for individuals who are new to signal processing, as it provides a clear and simple demonstration of how the Fourier transform works.

The C++ program (2) was developed using the programming language C++, and provides a more advanced example of how to implement the Fourier transform. This program could be useful for individuals who are already familiar with signal processing and are looking for a more complex example to work with.

Overall, the examples provided in this document demonstrate the versatility and usefulness of the Fourier transform and its inverse in various fields.