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Hybrid weighting type surface acoustic wave single-scale wavelet transform processor

A technology of wavelet transform and surface acoustic wave, which is applied in the direction of simulation and hybrid computing, devices and instruments that perform computing operations by changing the electric quantity or magnetic quantity, and can solve the problems of complex design and diffraction of interdigital transducers

Inactive Publication Date: 2014-12-03
DONGHUA UNIV
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a hybrid weighted surface acoustic wave single-scale wavelet transform processor with the function of suppressing diffraction and a simple design, which solves the problem of diffraction in the traditional surface acoustic wave wavelet transform processor problems, and the complication of designing IDTs with bar-area-weighted input transducers

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  • Hybrid weighting type surface acoustic wave single-scale wavelet transform processor
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  • Hybrid weighting type surface acoustic wave single-scale wavelet transform processor

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0020] The present invention is a hybrid weighted surface acoustic wave type single-scale wavelet transform processor, such as figure 2 As shown, it includes a piezoelectric substrate 4 on which an input transducer 2 and an output transducer 3 are fabricated. That is, one end of the piezoelectric substrate 4 has the input transducer 2 , and the other end of the piezoelectric substrate 4 has the output transducer 3 . After the...

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Abstract

The invention discloses a hybrid weighting type surface acoustic wave single-scale wavelet transform processor, which is characterized by comprising a piezoelectric substrate, wherein one end of the piezoelectric substrate is provided with an input energy converter; the other end of the piezoelectric substrate is provided with an output energy converter; and after an electric signal is added to the input energy converter to carry out wavelet transform, the input energy converter outputs a surface acoustic wave wavelet transform signal to the output energy converter and finally outputs an electric signal wavelet transform signal, wherein the input energy converter adopts two weighting modes: wavelet function envelope amplitude weighting and envelope weighting. The hybrid weighting type surface acoustic wave single-scale wavelet transform processor has a diffraction restriction function, is simple in design and is suitable for fields, such as radars, communication, military ships, sensors and the like.

Description

technical field [0001] The invention relates to a hybrid weighted surface acoustic wave type single-scale wavelet transform processor, which belongs to the technical field of surface acoustic wave type wavelet transform processors. Background technique [0002] Wavelet analysis technology has pushed the information industry into a new era. The algorithm of wavelet analysis is complex, and most of its algorithm operations are currently completed in the computer, so the programming workload is large; some people also study the use of hardware to realize wavelet transform, such as Very Large Scale Integration (Very Large Scale Integration, referred to as VLSI) , Digital Signal Processing (Digital Signal Processing, DSP for short), surface acoustic wave devices, etc. The method of realizing wavelet transform with VLSI and DSP has opened up a precedent for realizing wavelet transform with hardware. In recent years, there has been some progress in realizing wavelet transform pro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06G7/195
Inventor 卢文科高丽丽朱长纯王直杰张静端
Owner DONGHUA UNIV
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