02247nam a2200217 4500 394680 394680 20170823d2014 y0pory50 ba eng Performance evaluation and utility assessment of magneto-optical sensor technology for detecting and visualizing obliterated serial numbers in firearms Recurso eletrónico RTI International Washington, DC Forensic Technology Center of Excellence (FTCoE). National Institute of Justice (NIJ) 2014 1CD-ROM 12 cm research report submitted to the U.S. Department of Justice. FY2011 Award number: 2011-DN-BX-K564. Ficheiro de 1,52 MB em formato PDF (31 p.). 1. Introduction. 2. Magneto–Optical (MO) Sensor Technology. 2.1 MO Sensor Concept. 2.2 MO Sensor Technology Tested. 2.2.1 How it works- 2.2.2 Availability. 3. Performance assessment. 3.1 Technical performance factors as defined for this project. 3.2 Non–technical performance factors as defined for this project. 4. Experimental design. 4.1 Methodology. 5. Performance testing. 6. Performance evaluation. 6.1 Magnetic particle inspection. 6.2 Comparison: MO Sensor and MPI. 6.3 Comparison: MO Sensor and Chemical Etching. 7. Lessons learned. 7.1 Sensor design issues. 7.2 MO Sensor selection considerations. 7.3 MO Sensor technology limitations. 7.4 Need for future development and testing. 8. Conclusions. 9. Bibliography. Appendix A: MO Sensor steel serial number detection and visualization. Appendix B: MPI Steel serial number detection and visualization. Appendix C: Chemical etching steel serial number detection and visualization. Appendix D: Chemical etching other substrate serial number detection and visualization. Appendix E: Derivation of MO vs MPI contingency table values. Appendix F: Derivation of MO vs chemical etching contingency table values. ARMA DE FOGO E MUNIÇÕES 343053 BALÍSTICA 320585 ANÁLISE DE VESTÍGIOS 320649 PERFORMANCE EVALUATION AND UTILITY ASSESSMENT OF MAGNETO-OPTICAL SENSOR TECHNOLOGY FOR DETECTING AND VISUALIZING OBLITERATED SERIAL NUMBERS IN FIREARMS 358517 Oferta 0 PJCD_258_000000000000000 2022-06-06 PJCD258 427338 PJ PJ PJ1CD258_14 PJCD258 2022-06-06 0 MO Oferta