Report of the Committee on Ballistic Acoustics / / Commission on Physical Sciences, Mathematics, and Resources, National Research Council

• Pubblicazione: Washington, D.C., : National Academy Press, 1982
• Descrizione fisica: 1 online resource (116 pages)
• Soggetto topico: Projectiles, Aerial
• Nota di bibliografia: Includes bibliographical references (p. 96).
• Nota di contenuto: ""Copyright""; ""Contents""; ""EXECUTIVE SUMMARY""; ""I. INTRODUCTION AND OVERVIEW""; ""II. DESCRIPTION OF STUDIES BY BRSW AND WA""; ""III. EVALUATION OF THE BRSW AND WA METHODOLOGIES AND CONCLUSIONS""; ""IV. TIMING EVIDENCE FROM MATCHING FEATURES""; ""IV-1. SOUND SPECTROGRAMS""; ""IV-2. ANALYSIS OF SOUND SPECTROGRAMS OF HOLD EVERYTHING...""; ""IV-3. TIMING OF CHANNEL I AND CHANNEL II EVENTS""; ""IV-4. POSSIBILITY OF SUPERPOSED RECORDINGS""; ""V. EVALUATION OF THE FBI REPORT""; ""VI. POSSIBLE FURTHER STUDIES""; ""VII. CONCLUSIONS""; ""APPENDIX A CRITICISM OF PROBABILITY CALCULATIONS "" ; ""A-L. CRITICISM OF BRSW PROBABILITIES 0.88, 0.88, 0.50, AND 0.75"" ""A-2. CRITICISM OF BRSW CERTAINTY THAT MICROPHONE DETECTED SOUND OF GUNFIRE (P. 64)""; ""A-3. CRITICISM OF BRSW/WA PROBABILITY OF 0.95 FOR SHOT FROM GRASSY KNOLL""; ""APPENDIX B ANALYSES OF SOUND SPECTROGRAMS OF HOLD EVERYTHING... ""; ""B-1. TIME AND FREQUENCY ANALYSIS""; ""B-2. MEASUREMENTS OF EASILY IDENTIFIED FREQUENCY RATIOS ON SOUND SPECTROGRAMS""; ""B-3. ALTERNATIVE TIME AND FREQUENCY ANALYSES OF SOUND SPECTROGRAMS""; ""a) Initial experiments""; ""b) A more objective experiment on the timing"" ; ""c) A more objective experiment on the frequencies"" ""B-4. DIGITAL CALCULATIONS OF CROSS CORRELATIONS BETWEEN CHANNEL I AND CHANNEL II""; ""APPENDIX C TIMING OF CHANNEL I AND II EVENTS ""; ""C-1. ANALYSIS OF BOWLES TAPES""; ""Channel I Recording""; ""Channel II Recording""; ""a. Gap""; ""b. Speed Compensation""; ""c. Repeats""; ""d. Silences""; ""Results""; ""C-2. ANALYSIS OF TAPES MADE DIRECTLY FROM ORIGINAL RECORDS""; ""Channel I Recording""; ""Channel II Recording""; ""Results""; ""APPENDIX D POSSIBILITY OF SUPERPOSED RECORDINGS ""; ""APPENDIX E SIREN SOUNDS ""; ""APPENDIX F POSSIBLE FURTHER STUDIES ""
• Titolo autorizzato: Report of the Committee on Ballistic Acoustics
• ISBN: 0-309-58939-8
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910781370703321
• Lo trovi qui: Univ. Federico II