An automatic system measuring electromagnetic parameters for oil field pipes Buried pipeline mapping from satellite images Electrical detection of defects in SIMOX buried oxides pipes and precipitates Finite element modeling for simulating remote field flaw detection in aircraft frame How to detect buried structures through electrical measurementstxt ICSCA2006-CFP-1019 Improving the detection of flaws in steel pipes using SQUID planar gradiometers Induced voltages and currents on gas pipelines with imperfect coatings due to faults in a nearby transmission line Numerical analysis of electric field generated by imperfectly insulated buried pipeline Pipe inspection using a laser-based transducer and automated analysis techniques Pre-processing of signals delivered by a new eddy current sensor for non ferromagnetic tubes testing Simulation of pipeline holiday detection by time domain reflectometry The study of detection technology and instrument of buried pipeline-coating defects Pinhole location in a pipeline 6th EPRI Piping S Boltng Inspection Conf1 July 2002 A new approach has been proposed for improving the performance of the Wigner–Ville distribution A reference standard for the development of acoustic emission pipeline A signal processing technique to remove the effect of dispersion from guided wave signals A study on technique to estimate impact location of loose part using wigner-ville distribution A time-filtered wigner transformation for use in signal analysis Acoustic wave propagation 2D Wigner and 3D wavefront simulations Acoustical characteristics of leak signals in plastic water distribution pipes An optimal window length for the PWVD with application to passive acoustic parameter estimation Angular-profile tuning of guided waves in hollow cylinders using a circumferential phased array Apparent phase velocities and fundamental-mode phase velocities Application of independent component analysis to detection of gas leakage sound Application of the short time fourier transform to interpret Characterization of elastic shells by the use of the wavelet transform Constructing a wavelet-based envelope function for vibration signal analysis Correlation techniques for the improvement of signal-to-noise ratio in measurements with stochastic processes Effect of nozzle geometry on leak-before-break analysis of pressurised piping Elastic annlysis of buried pipes under surface patch loadings Graphics of acoustic emission point source location Improved Wigner–Ville distribution performance by signal decomposition and modified group delay Location of acoustic emission sources generated by air flow Location of continuous AE sources by sensory neural networks Location of two imultaneously active continuous acousticemission sources on an aluminum beam Mag1999Non5Empirical Matrix techniques for modeling ultrasonic waves in multilayered media Mechanical Method to Evaluate Safety Factors in Buried Pipes Modal acoustic emission of damage accumulation in a woven sicsic composite Modal analysis of acoustic emission signals from CFRP laminates Neural network approach to locating acoustic emission sources in nondestructive evaluation Noise reduction in ultrasonic NDT using discrete wavelet transform processing Non-destructive testing of high strength concrete using spectral analysis of surface waves Paper-determination of material properties using guided waves Parameters definition for the windowed and smooth windowed Wigner-Ville distribution of time-varying signals Pipeline leak detection system for oil spills prevention Pipeline system identication through The performance of a laboratory facility for Time-delay estimation of acoustic emission signals using ICA Time-frequency of acoustic emission use of wt Ultrasonic guided wave and acoustic impact methods for pipe fouling detection Ultrasonic guided wave propagation in pipes with viscoelastic coatings Wavelet analysis of plate wave propagation in composite laminates Wavelet-based identification of delamination defect in cmp (cu-low k) using nonstationary acoustic emission signal Wigner-Ville distribution based on intrinsic mode function A rapid signal processing technique to remove the effect of dispersion from guided wave signals Acoustic wave propagation in buried iron water pipes Acoustic wave propagation in Attenuation characteristics of the fundamental modes that propagate in buried iron water pipes Axisymmetric wave propagation in fluid-filled pipeswavenumber measurements in in vacuo and buried pipes Cure monitoring using ultrasonic guided waves in Detection of leaks in buried plastic water distribution pipes in urban places - a case study Elastic analysis of burried pipes under surface patch Monior the propagation of the wave propagation in buried pipe Soil effect the propagation of wave in buried pipe Two fast buried pipe detection schemes in Ground Penetrating Radar Ultrasonic waveguide techniques for the measurement of material properties Wavenumber prediction of waves in buried Guided waves in fluid-filled pipes surrounded by different fluids An automatic system measuring electromagnetic parameters for oil field pipes Buried pipeline mapping from satellite images Electrical detection of defects in SIMOX buried oxides pipes and precipitates Finite element modeling for simulating remote field flaw detection in aircraft frame Improving the detection of flaws in steel pipes using SQUID planar gradiometers Induced voltages and currents on gas pipelines with imperfect coatings due to faults in a nearby transmission line Numerical analysis of electric field generated by imperfectly insulated buried pipeline Pipe inspection using a laser-based transducer and automated analysis techniques Pre-processing of signals delivered by a new eddy current sensor for non ferromagnetic tubes testing Simulation of pipeline holiday detection by time domain reflectometry The study of detection technology and instrument of buried pipeline-coating defects 加拿大能源管道协会CEPA会员公司的管道应急
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