【正文】
transmission, reflection, refraction, scattering, diffraction, can be certain objects and can be absorbed through the lens of their focusing. In the farinfrared region, owing to its neighboring microwave, it has some characteristics of microwave, If a strong perating power and can run through some opaque substances. Since in any object, natural profession, regardless of whether its own luminescence (referring to visible light), as long as the temperature is above absolute zero (273 176。 crack。 crankshaft。 mediumspeed model : the highest rate of Mbps and 。 (2) poor antiinterference ability in industrial environments. This paper introduces a byte oriented data by SCM transmission of inverter welding power supply can process the infrared remote control system, remote control protocol is more plex, with good antiinterference ability in the harsh working environment. References 1. Peixin Yuan and Heji Yu, Crack Fault Diagnosis in Shaft. Journal of Northeastern University (Natural Science), 1997(1), 1216 (in Chinese). 2. Wenhu Huang, Songbo Xia and Ruiyan Liu, Theory, Technique and Application of Equipment Fault Diagnosis, Beijing, Academic Publisher, 1996 (in Chinese). 3. Wanyou Li, Zhenxiong Cai, Zhiqiu Wang and Hongxing Hua, Diagnosis of Crankshaft Crack in Diesel Using Torsional Vibration. Journal of Shanghai Jiaotong University, 2020(11), 10281031 (in Chinese). 4. Wanyou Li, Zhenxiong Cai, Yan Liu and Zhiqiu Wang, Research on Diagnosis Method for Diesel Cylinder Score Using Torsion Vibration Signal. Ship Engineering, 2020(5), 1923 (in Chinese). 5. A. A. Dubov, Principal Features of Metal Magic Memory Method And Inspection. 16th WCNDT 2020 World Conference on NDT, Montreal, Canada. 6. Weichang Zhong, Theoretical Fundamentals of the Metal Magic Memory Diagnostics: Spontaneous Magization of Ferromagic Materials by ElasticPlastic Strain. NDT, 2020(10), 424426 (in Chinese). 7. Junming Lin, Xingzeng Yu and Chunjing Lin, Software M3DPS for Metal Magic Memory Diagnostic Instrument. NDT, 2020(7), 286288 (in Chinese). 8. Qilin Qian, Hailiang Gao, Huihua Zhang and Junming Lin, Theory and Application of Hull Structure Steel Plate Welding Based on Metal Magic Memory Diagnosis. Ship Building Technique, 2020(1), 2527 (in Chinese). 9. Zhi Hu and Jilin Ren, Stress Analysis and Magic Memory Testing of Ferromagic Items. NDT, 2020(7), 286288 (in Chinese). 10. Hui Ding, Han Zhang, Xiaohong Li and Xishan Wen. The Theoretical Model For Detecting Cracks By Metal Magic Memory Technique. NDT, 2020(2), 7881(in Chinese).