Comparing two methods of sending out questionnaires: E-mail versus mail

ACB Tse, KC Tse, CH Yin, CB Ting… - Market Research …, 1995 - journals.sagepub.com
Kazuaki (1990) pointed out that market research clients nowadays are more sensitive to cost
and speed than they used to be. To satisfy these requirements, the global emergence of …

The design of a novel mother wavelet that is tailor-made for continuous wavelet transform in extracting defect-related features from reflected guided wave signals

J Chen, J Rostami, WT Peter, X Wan - Measurement, 2017 - Elsevier
Guided waves are increasingly being researched and applied for use in defect detection.
Because different guided wave mode conversions and noise are inevitably generated by …

Guided-Wave-Based Damage Detection in Steel Pipes

L Chen, M Makki Alamdari - … of the 25th Australasian Conference on …, 2020 - Springer
Pipelines are important infrastructural components for petro-chemical transportation. Millions
of kilometres of pipelines are used to transport oil, natural gas and water. Pipeline leakage is …

Apparatus for magnetostrictive sensor for guided-wave-based inspection, and its associated system and method

PWT Tse, Z Fang - US Patent 10,181,371, 2019 - Google Patents
An apparatus for a magnetostrictive sensor for guided-wave based inspection includes a
flexible body with a conductor arranged to receive an alternating current for generating a …