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Träfflista för sökning "WFRF:(Sun Nan) ;lar1:(bth)"

Sökning: WFRF:(Sun Nan) > Blekinge Tekniska Högskola

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1.
  • Nan, Pan, et al. (författare)
  • Design of the laser gun bullets based on microcontroller
  • 2018
  • Ingår i: ICEMI 2017 - Proceedings of IEEE 13th International Conference on Electronic Measurement and Instruments. - : Institute of Electrical and Electronics Engineers Inc.. - 9781509050345 ; , s. 68-72
  • Konferensbidrag (refereegranskat)abstract
    • Police lab for testing requirements bullet speed, we designed a microcontroller based on the laser gun. The microcontroller as the core for speedometer, with laser detection plate module, thermal Printer module, display and buttons module, USB data interface module, wireless modules and stable voltage module, it can measure the speed of a series of work by Ligation of these modules. First, fired projectiles for testing by the laser detection plate module. Then, Transfer the detected data into the microcontroller. In the microcontroller detection data is processed and then printed out by thermal printer. Via USB data interface for data uploaded to a computer to save. While on the steps required to be operated by the controller. © 2017 IEEE.
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2.
  • Pan, Nan, et al. (författare)
  • Efficient matching technique for laser detection features of cable cutting traces
  • 2017
  • Ingår i: Guangxue Jingmi Gongcheng/Optics and Precision Engineering. - : Chinese Academy of Sciences. - 1004-924X. ; 25, s. 183-190
  • Tidskriftsartikel (refereegranskat)abstract
    • A lot of line traces on the bearing surface of broken ends which usually present nonlinear morphological features and have strong randomness were left in the crime scene of cable cutting case. In order to implement trace feature matching and affiliated tool inference more rapidly, an efficient matching technique for laser detection features of cable cutting traces was designed: K-Means clustering was used to implement abnormal data correction for 1-D signals picked up on the surface of broken ends detected by single-point laser displacement sensor firstly, and then self-adaptation correction of rotation angle was implemented to unify matching datum. Finally, matching strategy based on threshold sequences was used to realize overlap ratio matching of trace feature similarity, thus realizing quick inference of corresponding tools, and cutting tool interference experiment by actual traces verifies practicability and effectiveness of the technique. © 2017, Science Press. All right reserved.
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Liu, Yi (1)
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Nan, Pan (1)
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