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1、为什么要进行傅里叶变换，其物理意义是什么？

傅立叶变换是数字信号处理领域一种很重要的算法。要知道傅立叶变换算法的意义，首先要了解傅立叶原理的意义。傅立叶原理表明：任何连续测量的时序或信号，都可以表示为不同频率的正弦波信号的无限叠加。而根据该原理创立的傅立叶变换算法利用直接测量到的原始信号，以累加方式来计算该信号中不同正弦波信号的频率、振幅和相位。

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RT.

To be continue.

It’s quite a loooong time since my last post in blog. Hmmm…Lendy’s working very hard all during this time. \(- -)/

As you know or not know, Lendy has graduated from school this July, and is working at a console game studio now. It’s very lucky that I chose this company, and the company chose me. It’s truly a powerful international studio. Every thing’s gonna to be best in the world. Honestly, to tell the truth, I was impressed deeply since my first step into it. Every thing’s that NICE! The environment, the people, and lately, I felt the humor and passion of all the uncles and aunties…
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My blog is under construction, please come back later :-)
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