نتایج جستجو برای: the fourier transform
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FTIR ) Fourier transform infrared) is a powerful tool for biological studies. It could be used for samples in different physical status. Prior researchers have studied biological characteristics of proteins, lipids, biologic membranes, carbohydrates, drugs, etc with this unique technique. The following article addresses some of the common applications of FTIR ( Fourier transform infrared).
The discrete fractional Fourier transform (DFRFT) is the generalization of discrete Fourier transform. Many types of DFRFT have been derived and are useful for signal processing applications. In this paper, we will introduce a new type of DFRFT, which are unitary, reversible, and flexible; in addition, the closed-form analytic expression can be obtained. It works in performance similar to the c...
Very broadly speaking, the Fourier transform is a systematic way to decompose “generic” functions into a superposition of “symmetric” functions. These symmetric functions are usually quite explicit (such as a trigonometric function sin(nx) or cos(nx)), and are often associated with physical concepts such as frequency or energy. What “symmetric” means here will be left vague, but it will usually...
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