Centro de Documentação da PJ
Monografia
 CD258 |
Performance evaluation and utility assessment of magneto-optical sensor technology for detecting and visualizing obliterated serial numbers in firearms [Documento electrónico] / 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.).
ARMA DE FOGO E MUNIÇÕES, BALÍSTICA, ANÁLISE DE VESTÍGIOS
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.