Sparse signal representation and its applications in ultrasonic NDE
Many sparse signal representation (SSR) algorithms have been developed in the past
decade. The advantages of SSR such as compact representations and super resolution lead …
decade. The advantages of SSR such as compact representations and super resolution lead …
Contemporary ultrasonic signal processing approaches for nondestructive evaluation of multilayered structures
Various signal processing techniques have been used for the enhancement of defect
detection and defect characterisation. Cross-correlation, filtering, autoregressive analysis …
detection and defect characterisation. Cross-correlation, filtering, autoregressive analysis …
Microelectronic package characterisation using scanning acoustic microscopy
In a highly competitive market, reliable techniques for manufacturing quality control of
electronic devices are demanded. Characterisation of modern microelectronic package …
electronic devices are demanded. Characterisation of modern microelectronic package …
Signal denoising and ultrasonic flaw detection via overcomplete and sparse representations
Sparse signal representations from overcomplete dictionaries are the most recent technique
in the signal processing community. Applications of this technique extend into many fields. In …
in the signal processing community. Applications of this technique extend into many fields. In …
[HTML][HTML] A multiresolution sparse signal representation approach for the decomposition of overlapping echoes in complex ultrasonic signals
H Wang, G Zhang, H Ma, X Zhang, Y Chen… - … Systems and Signal …, 2024 - Elsevier
Modern 3D microelectronic packages frequently exhibit a significant overlap of reflected
ultrasonic echoes, often exceeding 50% due to the diminishing thickness of internal …
ultrasonic echoes, often exceeding 50% due to the diminishing thickness of internal …
Polymer acoustic matching layer for broadband ultrasonic applications
H Tohmyoh - The Journal of the Acoustical Society of America, 2006 - pubs.aip.org
A polymer acoustic matching layer has been designed that can act as a frequency filter
between water and a test sample, and a method for controlling the high-frequency …
between water and a test sample, and a method for controlling the high-frequency …
Effect of sparse basis selection on ultrasonic signal representation
Recently, adaptive sparse representations of ultrasonic signals have been utilized to
improve the performance of scanning acoustic microscopy (SAM), a common nondestructive …
improve the performance of scanning acoustic microscopy (SAM), a common nondestructive …
[HTML][HTML] Acoustic time-frequency domain imaging
Acoustic time-frequency domain imaging | The Journal of the Acoustical Society of America |
AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text Close Publishers AIP …
AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text Close Publishers AIP …
Adaptive sparse representations of ultrasonic signals for acoustic microimaging
Acoustic microimaging (AMI) is a common nondestructive tool for failure analysis of
microelectronic packages. Accurate estimation of the reflected ultrasonic echoes is essential …
microelectronic packages. Accurate estimation of the reflected ultrasonic echoes is essential …
[HTML][HTML] Research on Sparse Representation Method of Acoustic Microimaging Signals
K Wang, T Leng, J Mao, G Lian, C Zhou - Applied Sciences, 2022 - mdpi.com
Acoustic microimaging (AMI), a technology for high-resolution imaging of materials using a
scanning acoustic microscope, has been widely used for non-destructive testing and …
scanning acoustic microscope, has been widely used for non-destructive testing and …