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Development of an Intermodal Container Load Status and Security Monitoring System.
| 题名： | Development of an Intermodal Container Load Status and Security Monitoring System. |
| 作者： | mccann, r. |
| 关键词： | freight shipments, cargo shipments, signal processing techniques, acoustical responses, radio frequency identification, acoustical signature monitoring |
| 摘要： | There is increasing concerns regarding national security risks associated with international freight and cargo shipments. The existing container/trailer security monitoring systems for transportation logistics use conventional methods and technologies such as video cameras, infrared sensors and ultrasonic proximity sensors (line of sight configuration). However high cost, failures owing to adverse weather conditions, inaccurate detection of cargo condition due to variable material/configurations encountered in freight transport are some of the reasons for the limited success of conventional monitoring systems. This research applies signal processing techniques to the analysis of acoustical responses which contributes toward the development of an intermodal container load status and security monitoring system. In this manner, the drawbacks of the existing conventional methods are reduced by incorporating the recent advances in radio frequency identification (RFID) technology and acoustical signature monitoring (ASM). Experimental results are given demonstrating that the concept of ASM is an effective technique for improved monitoring and load status assessment of intermodal containers and trailers. / Supplementary Notes: Sponsored by Department of Transportation, Washington, DC. Research and Special Programs Administration. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0823；93p |
| 报告类型： | 科技报告 |
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