Railroad Sabatoge Detection Research

Abstract

A workable detection system is designed to record sabotage activity on a one-mile section of railroad and discriminate against noise in the rail and pedestrian traffic. Elimination of false alarms and conservation of power in an RF data link at important considerations. The four features of discrimination logic are frequency filtering, amplitude threshold, pulse repetition rate, and aural monitoring. Preliminary conclusions and recommendations in First Interim Technical Report are reviewed and substantiated with specific data and appropriate changes in details. Field experiments were conducted on railroads with 5- and 6-in. rails. Electromechanical instrumentation capable of detecting seismic and acoustic waves was utilized. A third method of detection was the subject of a classified report submitted separately with First Interim Technical Report.

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Document Details

Document Type
Technical Report
Publication Date
Oct 15, 1965
Accession Number
AD0472159

Entities

Organizations

  • Texas Instruments

Tags

Communities of Interest

  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Bandwidth
  • Breadboard Models
  • Data Analysis
  • Detection
  • Detectors
  • False Alarms
  • Frequency
  • Frequency Bands
  • Measurement
  • Radio Frequency
  • Repetition Rate
  • Square Waves
  • Test And Evaluation
  • Time Intervals
  • Transducers
  • Warning Systems
  • Wireless Communications

Readers

  • Industrial Economics
  • Radar Systems Engineering.
  • Sensor Fusion and Tracking Systems.

Technology Areas

  • Microelectronics
  • Microelectronics - Microelectromechanical Systems