wavelet packet

Through a steel beam damage experiment, the validity of structural damage alarming method based wavelet packet energy spectrum was proved.

Wavelet packet is used for noise speech decomposition, which is better than the traditional orthogonal wavelet threshold de- noising method.

Vibration acceleration signal is easy to obtain, and with high precision, wavelet packet energy method is a good way for damage locating.

Abstract: We developed a real-time wideband speech codec adopting a wavelet packet based methodology.

In this paper, structural response which have transformed by wavelet packet establish damage index of the structure, then damage detection.

Using time domain analysis and wavelet packet method and approximate entropy theory to analyze the characteristics of the signal.

The wavelet packet transform can be used to compress seismic data in large batch processing.

The numeric example showed that the wavelet packet analysis can resist noise disturbs and detect the structural damage effectively.

Biorthogonal wavelet packet decomposition overcomes the weakness of the conventional orthogonal wavelet transform.

We developed a real-time wideband speech codec adopting a wavelet packet based methodology.

The quality of the noise removal was improved by combining wavelet packet transform with latent variable regression (LVR).

In this study, a damage detection index, namely, wavelet packet energy rate index, is proposed for the damage detection of structures.

This paper introduces two methods of detecting harmonics. By comparison we find wavelet packet transform has apparent advantages.

Clearly, wavelet packet transform detection system is feasible to detect signal in the context of the Bimodal Noise.

The algorithm embedded dual watermark using complementary approach in wavelet packet modulation field.

Wavelet packet analysis is an abundant means to wavelet analysis, and it played better at high-frequency information subdivision.

Signal Acquisition; Wavelet Transform; Wavelet Packet; Fault Diagnosis.

The result indicates that the wavelet packet analysis can better identify the fault type in fault diagnosis of vibration for power unit.

To identify weak damage of aircraft engine rolling bearing, a new method to construct second generation wavelet packet was presented.

The pressure signals of normal and abnormal combustion were decomposed by wavelet packet and the wavelet packet energy was extracted.

The algorithm on edge detection of an image base on wavelet packet decomposing is put forward.

This method, by using wavelet packet transforms and cost function, could depend on difference kind of audio data to choice its best base.

Wavelet packet library contains many wavelet packet bases, which can handle the different components of signal.

A new method integrated with wavelet packet, neural network and fuzzy distance was put forward and solved the difficult problems.

The rolling bearing faults diagnosis is studied, and the wavelet packet and BP neural network faults diagnosis method is described.

Firstly, the optimal WPD (wavelet packet decomposition) with the fuzzy criterion is obtained.

Flexibility and the precise ability of local analysis in wavelet packet analysis during signal denoising are analyzed.

The fault feature extracted by wavelet packet is input to the neural network, and the training, test and diagnosis is completed.

Secondly, it proposes a dual digital image watermarking algorithm based of wavelet packet transform.

Plenty of noises was denoised by the wavelet packet threshold denoising with local feature well in time-frequency domain.

The wavelet packet is adopted to make denoising pretreatment first, and then the 3D image is restored by the PML algorithm.

An algorithm based on discrete wavelet transform( DWT ) and wavelet packet decomposition(WPD) for speech enhancement was presented.

According to these, an improvement utilizing the wavelet packet transform and the datum line correction technique was proposed.

We study meaningful watermarking algorithm based on wavelet packet transform and spread spectrum technology.

Wavelet packet algorithm based on self-adapting threshold is used to get rid of the noise produced when workpiece is manufactured.

We presented a new fault diagnosis method based on wavelet packet energy entropy and an improved neural network.

Fusion method of subdivision band images of mid-wave infrared is presented based on both morphology processing and wavelet packet transform.

In this dissertation, image compression method and improved method based on bi-orthogonal wavelet packet was discussed in detail.

The characteristic signal of structural damage was extracted based on wavelet packet analysis for damage detection.

The basic method of threshold denoising, based on wavelet packet analysis was studied, and several thresholds were also introduced.

Fault diagnosis of engine pump machine was carried out using wavelet packet decompose, neural network and fuzzy distance.

Then the design of new wavelet lifting scheme and based on the average threshold of wavelet packet de-noising.

An adaptive threshold method based on wavelet packet transform of speech denoising and purification is proposed.

The vibration signal of the mining hoist's principle axis has analyzed based on wavelet packet theory in Time-frequency field.

Adopts the wavelet packet algorithm for fault feature extraction and proposed a diagnosis method based on band energy.

Thirdly, this paper researched the multi-focus image fusion algorithm based on wavelet packet transform.

the technology of wavelet packet can primarily eliminate the white noise but not impulse noise.

A surface electromyography (SEMG) signal classification method based on wavelet packet transformation (WPT) is presented in this paper.

A blind digital watermarking algorithm based on image content and wavelet packet transform is advanced.

An image denoising scheme based on wavelet packet and level dependent adaptive threshold is proposed in this paper.

This paper also uses the wavelet packet to analyze the pulse signals.

The damage indicator, sum of relative variation ratio, is constructed based on wavelet packet node energy.

A new multichannel texture segmentation method based on the wavelet packet transform is proposed.

An improved feature extraction method based on wavelet packet energy moment is presented.

This paper presents a method of onset point detection of single channel seismic signals based on wavelet packet and the AR model.

The paper has researched the remote sensing image wavelet packet fusion based on the ARSIS concept.

Proposes a new method for the restoration of 3D image of wide-field microscope based on wavelet packet analysis denoising.

It is based on a combination of frequency shifts with the undecimated wavelet packet transform.

ASEMG was decomposed into 16 subspaces with wavelet packet transform the width of whose frequency band was equal.

Parameter identification; damage identification; wavelet packet; Hilbert transform; RBF neural network; particle swarm algorithm;

a wavelet packet parameter calculation is carried out on the vibration signal after the signal preprocessing;

Study of the wavelet packet transform method for fault diagnosis of six roller orientation clutch

Application of Wavelet Packet Decomposition and Its Energy Spectrum on the Fault Diagnosis of Reciprocation Machinery

Wavelet Packet Re-construction in Time Domain and Its Application to the Burning State Analysis of an Auto-Engine

Research of the Identification of Diamond Dresser Blunt Using Wavelet Packet Decomposition and Support Vector Machine

Optimizing Algorithm in Determining the Number of Signals Using Wavelet Packet Decomposition

Adaptive Harmonic Wavelet Packet Transform and Its Application to Machine Fault Diagnosis

Frame-Synchronized Combined Wavelet Packet Transform Algorithms and Their Application to Speech Signal Processing

Wavelet Packet Division Multiplexing and Analysis of Its Probability of Error in Rayleigh Fading

Features of Energy Distribution of Single Deck Blast Vibration Signals with Wavelet Packet Analysis

Wavelet Packet Analysis and Its Application in Signal Detection of Fiber-optic Accelerometer

Wavelet Packet Analysis Principle And Its Application of Trouble Diagnosis on Rotary Machine

Research on application of wavelet packet transform based boundary protection on fixed series compensated EHV transmission lines

A simulating synchronous wave detection method for the detection of voltage flicker signal wavelet packet analysis

Application of Frequency Band Energy Analysis Using Wavelet Packet in Traveling Wave Characteristic Extraction of Feeder Lines

Application of Pseudo- Wigner- Ville Distribution and Wavelet Packet Transform in Fault Diagnosis of Rolling Element Bearings

Application of Frequency Band Energy Decomposition Using Wavelet Packet in Condition Monitoring of Circuit Breakers

On Improving Feature Extraction and Identification of Underwater Wideband Echo with Orthogonal Wavelet Packet

Noise elimination with correlative threshold plus wavelet packet transformation

Application of Wavelet Packet Analysis and Self-Organizing Neural Network to Slag Automatic Detection in Continuous Casting

Wavelet Packet Decomposition Based Rub-impact Fault Diagnosis On A Bearing-Rotor System with Unsteady Oil Film Forces

The Resolution of Overlapped UV Spectra by a Wavelet Packet Transform Latent Variable Regression

On the Study of Basis Selection Algorithm in Wavelet Packet Transform and Its Application in Data Compression

Application of wavelet packet analysis and BP ANN in diagnosing the hole defects in Acer mono wood using ultrasonic quantitative testing

Simulation for Wavelet Packet Modulation Performance in Frequency Selective Fading Channel

Denoising and Detection of Steam Turbine Vibration Signals Founded on The Best Wavelet Packet Basis

Clustering Method of Trolley-Track Vibration Condition of STS Crane Applied with Wavelet Packet and Statistic Characteristics

Applying Research of the Wavelet Packet Analysis Based on the Identification of the System in the Fault Diagnosis

Study of Wavelet Packet and Threshold Denoising of Fan Vibration Signal

Method of wavelet packet line selection for the single phase grounding fault of distribution electric network system

The Wavelet Packet Decomposition and Fault Diagnosis of the Cylinder Vibrating Signals of Motors

Applied Study of Wavelet Packet in Faults Diagnosis of Deep-sea Mining Crusher

Research on Optical Wavelet Packet Transform and Its Filter for Iris Recognition

The Application of Wavelet Packet Energy Feature to the Fault Diagnosis of Automotive Transmission Bearing

Application of Energy Wavelet Packet to Safe Evaluation of Blasting Vibration

Improved wavelet packet decomposition algorithm with application on weak fault detection

Application of Wavelet Packet Analysis Method to Signal Denoising in Ultrasonic Testing of Friction Welded Joints

Applying Research of the Wavelet Packet Analysis in the Inertial Apparatus'Fault Diagnosis

Application of complexity and wavelet packet transformation to motion recognition

Wavelet Packet Transform and its Application to Low SNR Radar Signal Detection

Wavelet packet and neural network based approach for fault diagnosis of reciprocating compressors

Wavelet Packet Decomposition and Frequency-Band Energy Ratio Analysis for Oil-Film Oscillation in Rotor Systems

Character signal extraction under noise background with wavelet packet transform

Theoretical research on structural damage alarming of long-span bridges using wavelet packet analysis

Compression of Electrocardiogram using Optimal Wavelet Packet

Fault Character Extraction in Accelerometer ADC Circuit Using Wavelet Packet Analysis

Application of Wavelet Packet Transform in Processing Ultrasonic Testing Echo Signals

Time-frequency Description of AC Corrosion Signals Using Wavelet Packet Decomposition

Wavelet Envelope Analysis Based on Wavelet Packet Energy Feature and Its Application in Failure Diagnosis of Rolling Bearing

Application of wavelet packet multi-scale analysis on checking damage of intelligent composite plate

the application of wavelet packet and artifical immunity provides a new diagnostic method of turbine rotor vibration faults;

Application of Wavelet Packet to Data Analysis of Projectile Penetrating Target Experiment

Application of the Wavelet Packet Analysis Method in Vibration Signal Denoise

The application of wavelet-packet noise reduction for fault diagnose of the hydraulic pump

Wavelet Packet in Distilling Characteristic of Hydraulic Fluctuating Signal in Draft Tube

Implementation of Wavelet Packet Transform-Based Multicarrier Communication System

Optical Wavelet Packet Filter of Multi-mother Multi-vanishing Moments Joint Best Basis for Iris Recognition

Analysis of energy distributions of rock acoustic emission signals using the wavelet packet method

Application of Wavelet Packet Algorithm for Detecting the Partial Discharge in HV Transformer

Research on Fault Diagnosis for Internal Combustion Engi nes Using Wavelet Packet and Image Processing

A multi-user detection method of over-saturated wavelet packet division multiple access communication

Improved wavelet packet algorithm with application on the feature extraction of fault signal

Wavelet packet and rough set based approach for fault diagnosis of reciprocating compressors

Application of wavelet packet decomposition on diagnosing rolling bearing fault by AE method

New algorithm for speech enhancement using node threshold wavelet packet transform

De-noising of diesel vibration signal using wavelet packet and singular value decomposition

Application of orthogonal wavelet packet analysis to remote sensing images fusion

The Wavelet Packet Maximum Likelihood Estimation Method of Long Memory Process Parameters

Study of Wavelet Packet Decompose and It's Application on Machinery Fault Detection

Condition of Tracks of Quayside Container Crane Model Applied with Wavelet Packet Analysis

Application of Wavelet Packet in Voice Signal Extraction of Mobile Telephone on Automobile

Wavelet Packet Denoising and Feature Extraction for Flaw Echo Signal in Ultrasonic Testing

Wavelet -Packet Analysis Based Fault Diagnosis System of Reciprocating Natural Gas Compressor

Study on the Wavelet Packet Transform Method for Fault Diagnosis of Five Roller Orientation Clutch

Application of Wavelet Packet and Neural Network in Bearing Fault Pattern Recognition

Application of Wavelet Packet Transform in Simulation of Hard Target Penetration

The Application of Wavelet Packet Analysis in Disposing of the Broken BarsFault Signal of Asynchronous Motor

Wavelet Packet Algorithm and Application in Medical Image Compression

Optimal Wavelet Packet Best-tree Searching Acquisition Easy Algorithm

Wavelet packet threshold approach for denoising non-stationary signal

Performance analysis of different wavelets in wavelet packet multicarrier modulation system

The Application of Wavelet Packet Analysis on Bearing Inner- Circle Error Seperation

Applications of wavelet packet analysis in the unbalance test of rotor system for hydro-generator unit

Wavelet packet energy characteristic identification of water flooded layer

Construction of Orthogonal M-Wavelet Packet and Properties of Compactly Support

Detection of Water Pipe Leak Location Using Wavelet Packet Decomposition and Power Feature Extraction

Research and Application on the Method of Denoising the Medical Images Using Wavelet Packet Analysis

Wavelet Packet Function Modulation Based Frequency Hopped WPDMA Communication System

Application of Wavelet Packet Decomposition in Motor Fault Diagnosis

Application of BP Neural Networks and Wavelet Packet Transform in Fault Diagnosis of Gearbox

Application of Wavelet Packet Analysis to Bearing Initial Fault Diagnosis

The result indicates: Wavelet packet analysis method has good ability to extract non-stationary signal;

Study on Wavelet Packet Algorithm for Detecting the Partial Discharge in HV Transformer

Application of the Wavelet Packet Analysis in the Ring Laser Gyroscope SINS

Research on Face Detection in Head-Shoulder Sequence using Wavelet Packet Analysis

The application of wavelet packet in cerebral hemodynamics analysis

An Applied Research on Wavelet Packet Transformation in Stock Market Forecast

Application of Wavelet Packet on Asynchronous Motor Rotor-Bar Fault Detection

Wavelet Packet Entropy Used in EEG Signal Analysis

Wireless Scalable Image Transmission over Wavelet Packet-Based Multicarrier System

Application of improved wavelet packet analysis in image denoising

Wavelet packet based time series change-points detecting algorithm

Forecasting Model of Stock Price by Wavelet Packet Integrated Neural Network

Wavelet packet and BP neural network based approach to long oil pipeline leakage checking

Application of Wavelet Packet Analysis in the Fault Diagnosis for Vehicle Gearbox

Application of wavelet packet analysis to signal compression

Wavelet Packet Compression Algorithm of Embedded Color Image

Damage Localization of Structures by Wavelet Packet Analysis

Noise Eliminating Algorithm by Wavelet Packet in On-line HV Transformer PD Detection

Research on the Method of Denoising the Ultrasound Images Using Wavelet Packet Analysis

Wavelet packet method of damage feature extraction in bridge health monitoring

The Application of Wavelet Packet in the Chirp Signal Detection and Time Delay Estimation

Technology of narrow-band interference suppression in transform domain communication system based on wavelet packet

Detection of Ferroresonance in Neutral Non-Grounding System Based on Decomposition Characteristic of Wavelet Packet

Research on count of steel bars using wavelet-packet segmentation algorithm

The Fusion of Remote Sense Images by the Multi-band Wavelet Packet Transform

Application of Wavelet Packet Analysis in Motor Signals Denoising

Application of Wavelet Packet Analysis in Turbine Fault Diagnosis

Application of Wavelet Packet Analysis in Wood Ultrasonic Testing

Study on the Wavelet Packet Transform for Fault Diagnosis of Overrunning Clutch

Frequency Band Division of MELP Vocoder Using Wavelet Packet Transform

Feature Extraction Using Best Wavelet Packet Transform

Extracting Eigenvalue and Eigenvector of the Road Signals Based on Wavelet Packet's Analysis

An Audio Compression Algorithm Using a Wavelet Packet Transform

The application of Wavelet Packet in the in the non-destructive testing of the pod

A New Method of Helicopter Identification With Wavelet Packet Analysis Features

Application of wavelet packet in time-delay estimation of signal of vibroseis exploration

Application of Discrete Wavelet Packet in Signal Processing

The Application of Wavelet Packet in Flux Leakage Signals Analysis of Pipeline

Wavelet Packet Transform Based Diagnosis Methods of I. C. Engine Valve Leakage

Watermarking algorithm for copyright protection based on wavelet packet decomposition

Application of Wavelet Packet Transform on Fault Diagnosis of Snapped Bolt in Gear-box

A Study on Gearbox Fault Diagnosis by Acoustic Signal with Wavelet Packet Analysis

Fault diagnosis of coal mine main ventilator by way of wavelet packet

Application of Wavelet Packet Analytical Method in Dealing with Pressure Fluctuation Signal in SCISR

A New Wavelet Packet Image Watermarking Scheme Combined with Zero-Watermark

Some Theoretical Problems on Wavelet Packet Transform

Wavelet transform; Wavelet packet transform; Modal strain energy; Energe method; De-noise;

The Application of Wavelet Packet Transform in the Audio Perceptual Coding

Analysis of Time - Frequency Domain Characteristics of String Music Chord Sound Based on Wavelet Packet technique

Simulation for Recognition of Crack Location in a Cantilever Based on Wavelet Packet Networks

Interference Excision Based on Adaptive Time-Varying Wavelet Packet Transform for DSSS Communication System

Gray-Level Digital Watermarking Technique Based on Singular Value Decomposition Using Wavelet Packet Domain

Remote Sensing Image Fusion Using Wavelet Packet Transform

Impulse Response Identification Based on Varying Scale Orthogonal Wavelet Packet Transform

Identify the Bearing Defect with Wavelet Packet Energy Spectrum

Algorithm for speech enhancement based on discrete wavelet transform and wavelet packet decomposition

Fault Recognition of Automotive Transmission Based on Wavelet Packet Decomposition and Neural Network

The gear corrosive pitting recognition based on wavelet packet analysis and frequency-band energy decomposition

Wavelet Packet Analysis of Abnormal Noises of Low Noise Rolling Bearings

Extracting Dynamic Characteristic Information on Draft Tube of Hydraulic Turbine by Using Wavelet Packet

Research on Vibrant Fault Diagnosis of Hydro-turbine Generating Unit Based on Wavelet Packet Analysis and Support Vector Machine

Signal denoising algorithm and its application based on best wavelet packet basis

Application of Wavelet Packet Analysis in Signal De-noise of Rolling Bearing

Analyzing Corona Discharge Signals by Wavelet Packet

A Dual Decomposition Algorithm for Turbulent Wake Flows After Blunt Bodies Using the Wavelet Packet Method

Removing Noises from Signals of Motor Measurement by Wavelet Packet

Extraction of Early Fault Information of Gears Using Wavelet Packet

Diagnosing Model Based on Wavelet Packet-Continuous HMM and Its Applications

Feature extraction from carbon fiber composites ultrasonic signals based on wavelet packet transform

The Wavelet packet denoising for power line communication

Application of wavelet packet analysis in fault diagnosis

Remote Sensing Image Fusion with Wavelet Packet Transform

An Adaptive Threshold Arithmetic for Wavelet Packet De-noising

Application of Wavelet Packet Transform in Analysis of Signals

An Algorithm for Impulse Response Identification Based on Fixed Scale Orthogonal Wavelet Packet Transform

One wavelet packet-based multi-carrier spread spectrum system that can restrain narrow band jamming efficiently

Study of Fault Diagnosis System Based on Wavelet Packet-neural Network

Applications of Time-Frequency Analysis Based on Wavelet Packet to Incipient Impulse Faults Diagnosis

A Detection Method of Voltage Sag Using Wavelet Packet Transform and Rms Algorithm

An Adaptive Watermarking Algorithm Based on Wavelet Packet Transform and Block Fuzzy Classification

Application of Multiscale Principal Component Analysis Based on Wavelet Packet in Sensor Fault Diagnosis

An application of wavelet packet scalogram in fault detection

Noise Cancelling and Spectral Analysis of Instantaneous Signals Based on Orthogonal Wavelet Packet

Decomposition and Reconstruction for Blast Vibration Signals Based on Wavelet and Wavelet Packet Theory

Transient power quality classification based on best wavelet packet basis decomposition

Wavelet Packet Analysis for Spot Welding Splash of Aluminum-Alloy

The Application of Wavelet Packet Analysis to GPS Data Processing

The Multiple-dimensional Image Matching Algorithm Based on the Wavelet Packet Transformation

Abstraction of Sound Signal Characteristics Based on Wavelet Packet Decomposition

Analysis for the Near Infrared Spectrum Characteristic of Tea Based on Orthogonal Wavelet Packet

Study on Wavelet Packet Analysis-based Fault Diagnosis for Blower Fan

Statistical Audio Watermarking Algorithm Based on Auditory Analysis in Wavelet Packet Domain

New Adaptive Wavelet Packet Image Coding Algorithm

A characteristic selection method of chemical patterns based on the optimum wavelet-packet transformation

SAR Raw Data Compression Using Wavelet Packet Transform

Use of wavelet packet and principal composition analysis method for feature extraction of chatter in milling

Characteristic Extraction of Vibration Fault Signal in Motor Based on Energy Analysis Using Wavelet Packet

A novel approach of speckle noise reduction using wavelet packet

Detection of sleep apnea from ECG using wavelet packet transform