## Smart answer:

# Your search for *′What is wavelet transform′* returned the following results:

### bandpass representation of a signal

The wavelet transform is a multiresolution, bandpass representation of a signal.

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### a mathematical tool that indicates time variations of frequency in a signal

On the other hand, wavelet transform is a mathematical tool that indicates time variations of frequency in a signal.

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### a signal processing technique

The signal processing technique, wavelet transform, overcomes the shortcomings of conventional method used for harmonic analysis.

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### Wavelet analysis

Wavelet analysis, also known as wavelet transform, is the latest achievement of the harmonic analysis and considered as a great breakthrough of the tools and methods.

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### an evolving technology which offers far higher degrees of data compression compared to standard transforms such as DCT etc

Wavelet transform is an evolving technology which offers far higher degrees of data compression compared to standard transforms such as DCT etc.

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### a well-known signal processing technique which has proven to be a successful technique in Non-Destructive Testing (NDT)

Wavelet transform is a well-known signal processing technique which has proven to be a successful technique in Non-Destructive Testing (NDT).

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### — image analysis, data compression

Wavelet transform — image analysis, data compression.

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### a method of time-frequency analysis with frequency dependent time and frequency resolution

To capture them the wavelet transform, a method of time-frequency analysis with frequency dependent time and frequency resolution, was applied.

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### a recent signal analysis tool that is already been successfully used in image, video and speech compression applications

Wavelet transform is a recent signal analysis tool that is already been successfully used in image, video and speech compression applications.

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### WT

The objective of this paper is to compare performance among the short time Fourier transform (STFT), wavelet transform (WT),

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### that cuts up signal or functions into different frequency components

The wavelet transform is a powerful tool that cuts up signal or functions into different frequency components, and then studies each component with a resolution matched to a resolution's scale.

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### powerful method that can flexibly represent the time-frequency content of a signal

Wavelet transform is a powerful method that can flexibly represent the time-frequency content of a signal.

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### a signal processing technique based on a windowing approach of dilated “scaled”

The wavelet transform, a signal processing technique based on a windowing approach of dilated “scaled” and shifted wavelets, is being applied to a broad range of engineering applications and other applications such as coding, data compression, structural detection and noise reduction, and spectroscopy signal processing [12–15].

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### decomposes

The wavelet transform decomposes an image into three high-frequency components and one low-frequency component of various resolutions.

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### as a result as the multiresolution analysis

By a proper design of the basis, the wavelet can project the signal onto a chain of embedded approximations and details at various levels of resolutions, and, as a result, the wavelet transform is usually referred to as the multiresolution analysis.

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### to identify frequency (or scale) components, simultaneously with

The wavelet transform has the ability to identify frequency (or scale) components, simultaneously with Mathematicians's location(s) in time.

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