Signal bandwidth estimation method and device based on wavelet reconstruction

A signal bandwidth and wavelet reconstruction technology, applied in computing, computer parts, instruments, etc., can solve the problems of poor adaptability and low estimation accuracy, and achieve strong robustness, reduce complexity, and weaken estimation accuracy. effect of influence

Pending Publication Date: 2022-07-29
XIAN UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] The present disclosure provides a signal bandwidth estimation method based on wavelet reconstruction, a signal bandwidth estimation device based on wavelet reconstruction, a computer-readable medium, and a terminal device, which can effectively overcome the estimation problems existing in the prior art Defects such as low precision and poor adaptability

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  • Signal bandwidth estimation method and device based on wavelet reconstruction
  • Signal bandwidth estimation method and device based on wavelet reconstruction
  • Signal bandwidth estimation method and device based on wavelet reconstruction

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[0056] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0057] Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repeated descriptions will be omitted. Some of the block diagrams shown in the figures are functional entities that do not necessarily necessarily correspond to physically or logically separate entities. These functi...

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Abstract

The invention relates to the technical field of mobile communication, in particular to a signal bandwidth estimation method and device based on wavelet reconstruction, a computer readable medium and terminal equipment. The method comprises the following steps: segmenting a signal to be processed to obtain a plurality of segmented signals, and preprocessing the plurality of segmented signals to obtain amplitude spectrum data after noise reduction; performing wavelet low-frequency reconstruction processing on the amplitude spectrum data to extract a corresponding envelope signal; and determining the boundary of the envelope signal so as to estimate the bandwidth of the signal to be processed according to the boundary of the envelope signal. The method disclosed by the invention can be applied to various different signals, so that the complexity of the algorithm is reduced, and the influence of signal randomness on the estimation precision can be weakened; and the method has relatively high robustness.

Description

technical field [0001] The present disclosure relates to the technical field of mobile communications, and in particular to a method for estimating signal bandwidth based on wavelet reconstruction, a signal bandwidth estimation apparatus based on wavelet reconstruction, a computer-readable medium, and a terminal device. Background technique [0002] Signal bandwidth refers to the width occupied by the signal spectrum from low frequency to high frequency. In signal processing, bandwidth estimation is a classic parameter estimation problem and an important part of signal processing disciplines. Being able to accurately estimate the signal bandwidth can provide great help for subsequent signal processing. In non-cooperative communication, bandwidth estimation can be applied to signal sorting, and an appropriate filter is designed according to the estimated bandwidth of the signal to separate single-channel multi-signal; bandwidth estimation is also widely used in the fields of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06F17/14
CPCG06F17/141G06F2218/02G06F2218/06G06F2218/00G06F2218/04
Inventor 郑文秀马天鸿
Owner XIAN UNIV OF POSTS & TELECOMM
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