scholarly journals Geometrical error calibration in reflective surface testing based on reverse Hartmann test

2017 ◽  
Author(s):  
Daodang Wang ◽  
Zhidong Gong ◽  
Ping Xu ◽  
Rongguang Liang ◽  
Ming Kong ◽  
...  
Keyword(s):  
Geometrical Error ◽  
Reflective Surface ◽  
Error Calibration ◽  
Hartmann Test ◽  
Surface Testing

scholarly journals Accurate calibration of geometrical error in reflective surface testing based on reverse Hartmann test

2018 ◽  
Vol 26 (7) ◽  
pp. 8113 ◽  
Author(s):  
Daodang Wang ◽  
Zhidong Gong ◽  
Ping Xu ◽  
Chao Wang ◽  
Rongguang Liang ◽  
...  
Keyword(s):  
Geometrical Error ◽  
Reflective Surface ◽  
Hartmann Test ◽  
Surface Testing

scholarly journals Computer-aided high-accuracy testing of reflective surface with reverse Hartmann test

2016 ◽  
Vol 24 (17) ◽  
pp. 19671 ◽  
Author(s):  
Daodang Wang ◽  
Sen Zhang ◽  
Rengmao Wu ◽  
Chih Yu Huang ◽  
Hsiang-Nan Cheng ◽  
...  
Keyword(s):  
High Accuracy ◽  
Reflective Surface ◽  
Computer Aided ◽  
Hartmann Test

Detection of reflective surface defects based on phase measuring deflectometry

2020 ◽  
Vol 35 (12) ◽  
pp. 1315-1322
Author(s):  
Qian TAO ◽  
◽  
Zhi-feng ZHOU ◽  
Ming-hui WU ◽  
Li-rui WANG
Keyword(s):  
Surface Defects ◽  
Reflective Surface

Where did the Mirror Go? The Text of Plato [?] Alcibiades I 133c1-6

Elenchos ◽  
2015 ◽  
Vol 36 (2) ◽  
pp. 361-372 ◽  
Author(s):  
Harold Tarrant
Keyword(s):  
Late Antiquity ◽  
Single Letter ◽  
Reflective Surface ◽  
True Meaning ◽  
Intertextual Allusion

AbstractAt Alcibiades I, 133b-c, the reader expects, but does not according to the MSS find, the return of the mirror-motif that had supposedly explained the true meaning of the Delphic injunction. Hence it remains unclear why anything viewed within the soul should act in any way that resembles a mirror. I argue that the substitution of a single letter in one word, about which the manuscripts and modern scholars in any case disagree, can restore the necessary reference to a reflective surface, though not specifically to a mirror, since the term for a mirror could only be applied to sight. A failure to understand the underlying intertextual allusion to Cratylus 408c had resulted in a safe but unsatisfactory substitution by Late Antiquity, and other modifications followed thereafter in an effort to give meaning to the text.

The Error Analysis and the Error Calibration of the Bionic Polarized Light Compass

2020 ◽  
Author(s):  
Xu-dong Huang ◽  
Chen-hua Wang ◽  
Jing-run Pan ◽  
Jia-bin Chen ◽  
Chun-lei Song ◽  
...  
Keyword(s):  
Error Analysis ◽  
Polarized Light ◽  
Error Calibration
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