Antennas, Satellite Broadcasting, and Emergency Preparedness for the Voice of America.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Formato: Electrónico eBook
Idioma:Inglés
Publicado: National Academies Press 2002.
Temas:
Voice of America (Radio program)
Antennas (Electronics)
Artificial satellites in telecommunication.
Emergency communication systems > United States.
International broadcasting.
Antennes (Électronique)
Satellites artificiels dans les télécommunications.
Systèmes de communication d'urgence > États-Unis.
Radiodiffusion internationale.
communications satellites.
Artificial satellites in telecommunication
Emergency communication systems
International broadcasting
United States
Electronic resource.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • COVER
  • COPYRIGHT
  • PREFACE
  • TABLE OF CONTENTS
  • STATEMENT OF TASK
  • 1 EXECUTIVE SUMMARY
  • SOME BACKGROUND
  • RESEARCH AND DEVELOPMENT AT THE VOICE OF AMERICA
  • HIGH-FREQUENCY ANTENNAS AND PROPAGATION
  • DIRECT BROADCASTING BY SATELLITE
  • EMERGENCY PREPAREDNESS TELECOMMUNICATIONS
  • REFERENCES
  • 2 ANTENNA, PROPAGATION, AND MONITORING CONSIDERATIONS FORHIGH-FREQUENCY BROADCASTING SYSTEMS
  • SYSTEMS MODERNIZATION
  • ANTENNA ARRAY SYSTEM
  • Distributed Arrays for the Voice of America
  • Horizontal Arrays
  • Wideband Radiating Elements
  • Antenna Measurements
  • PROPAGATION AND DATA SOURCES
  • IONCAP, IONSUM, AND VALSUM
  • MONITORING
  • Reception-Zone Monitoring
  • Out-of-Country Monitoring of Voice of America Transmissions
  • RECOMMENDATIONS
  • REFERENCES
  • 3 SATELLITE DIRECT AUDIO BROADCASTING AND RECEPTION
  • THE CONTEXT FOR DEVELOPMENT
  • RECEIVER AVAILABILITY
  • EFFECTIVENESS OF HIGH FREQUENCY VS DIRECT BROADCAST SATELLITE
  • FORECASTING COST-EFFECTIVENESS OF SERVICES
  • IMPACT OF LARGE SPACE PLATFORM TECHNOLOGY
  • WORLDWIDE USE
  • AUGMENTATION OF TERRESTRIAL HIGH FREQUENCY
  • CONCLUSIONS
  • RECOMMENDATIONS
  • REFERENCES
  • 4 EMERGENCY PREPAREDNESS TELECOMMUNICATIONS
  • MISSIONS
  • ROLES, RESPONSIBILITIES, AND REQUIREMENTS
  • DISASTERS AND PRIORITIES
  • Significant Problems in Disasters
  • Mission Priorities
  • THE VOICE OF AMERICA'S EMERGENCY PREPAREDNESS REQUIREMENTS
  • Survivability
  • Endurability
  • Flexibility
  • Ingenuity
  • Restoration and Reconstitution of Communications and Mission Capability
  • THE VOICE OF AMERICA'S CURRENT EMERGENCY PREPAREDNESS PLANS
  • SYSTEMS APPROACH TO EMERGENCY PLANNING
  • Planning Fundamentals
  • Dispersed and Cooperative Facilities
  • Program Content
  • System Connectivity
  • AWARENESS OF NATIONAL SECURITY EMERGENCY PREPAREDNESS PLANNING
  • RECOMMENDATIONS
  • REFERENCES.

Ejemplares similares