intensity measurement
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Analytical model for uncertainty characterization of fracture intensity measurement in rock masses

2021 ◽  
Vol 81 (1) ◽  
Author(s):  
Yu-Chen Lu ◽  
Yong-Ming Tien ◽  
Charng Hsein Juang ◽  
Himatul Farichah ◽  
Che-Jui Hsu ◽  
...  
Keyword(s):  
Analytical Model ◽  
Intensity Measurement ◽  
Rock Masses ◽  
Uncertainty Characterization ◽  
Fracture Intensity

Coherence retrieval via three-dimensional intensity measurement

2021 ◽  
Author(s):  
Runnan Zhang ◽  
Zewei Cai ◽  
Jiasong Sun ◽  
Ning Zhou ◽  
Qian Chen ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Intensity Measurement

Weak infrared radiation intensity measurement based on extended Duffing oscillator

2021 ◽  
Author(s):  
yongming zhao ◽  
Jian Du ◽  
Xin Wang ◽  
Chang Liu ◽  
Zhuo Li ◽  
...  
Keyword(s):  
Radiation Intensity ◽  
Infrared Radiation ◽  
Duffing Oscillator ◽  
Intensity Measurement

Uncertainty of sound power measurements of a reference sound source using the AHRI Standard 230 sound intensity method

2021 ◽  
Vol 263 (6) ◽  
pp. 641-647
Author(s):  
Curtis Eichelberger ◽  
Paul Bauch
Keyword(s):  
Training Program ◽  
Sound Source ◽  
Measurement Method ◽  
Sound Intensity ◽  
Intensity Measurement ◽  
Sound Power ◽  
Sound Sources ◽  
Scanning Method ◽  
Intensity Measurements ◽  
Power Measurements

The uncertainty of determining the sound power of HVAC equipment using the AHRI Standard 230 sound intensity measurement method is presented. Measurements of six different reference sound sources (RSS) at four different laboratories, by nineteen different individuals with four different instrumentation systems are presented. From 2004 through 2020, these measurements were performed as part of a training program at Johnson Controls HVAC test laboratories to qualify technicians and engineers on the use of sound intensity instrumentation. The results illustrate the reproducibility of sound intensity measurements using the scanning method of AHRI Standard 230.

scholarly journals Seven-core fiber torsion sensor with microcavity structure based on intensity measurement

2021 ◽  
pp. 127412
Author(s):  
Xinghu Fu ◽  
Shuangyu Ma ◽  
Yongxiang Zhang ◽  
Zhenxing Wang ◽  
Shuming Huang ◽  
...  
Keyword(s):  
Intensity Measurement ◽  
Core Fiber

Nonlinear intensity measurement for multi-source images based on structural similarity

Measurement ◽  
2021 ◽  
Vol 179 ◽  
pp. 109474
Author(s):  
Quan Wu ◽  
Zhenhua Li ◽  
Shipeng Zhu ◽  
Peng Peng Xu ◽  
Ting Ting Yan ◽  
...  
Keyword(s):  
Structural Similarity ◽  
Intensity Measurement
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