دانلود کتاب National Academies of Sciences, Engineering, and Medicine. Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses

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Committee on Radio Frequencies; Board on Physics and Astronomy; Division on Engineering and Physical Sciences; National Academies of Sciences, Engineering, and Medicine. — Second Edition. — NAS Press, 2015. — XVI, 263 p. — ISBN: 0309376599; 9780309376594.This book describes the radio frequency bands used by scientific services and includes relevant regulatory information and discussion of scientific use of frequency bands. This reference will guide spectrum managers and spectrum regulatory bodies on science issues and serve as a resource to scientists and other spectrum users.The electromagnetic spectrum is a vital part of our environment. Measures of radio frequency emissions from natural phenomena enable both practical applications, such as weather predictions and studies of the changing of Earth's climate here at home, and reveal the physical properties of cosmic sources. The spectrum is therefore a resource to be used wisely now and to be protected for future generations.
This volume sets forth the principles for the allocation and protection of spectral bands for services using the radio spectrum for scientific research.Contents
Preface
Acknowledg ments
Summary
Radio Frequency Regulation for the Scientific Services
Scientific Background: Radio Astronomy Service
Scientific Background: Earth Exploration Satellite Service
Technical Aspects of Protection for the Scientific Use of the Radio Spectrum
Science Service Allocations
Appendixes
Appendix A: Definitions of Terms
Appendix B: IEEE Standard Letter Designations for Radar Bands
Appendix C: International Astronomical Union Spectral Lines of Most Importance Below 300 GHz
Appendix D: International Astronomical Union Spectral Lines of Most Importance Between 300 and 1000 GHz
Appendix E: International Astronomical Union Spectral Lines of Most Importance Above 1 THz
Appendix F: Use of 0 dBi for Sidelobe Gain in Calculations of Interference in Radio Astronomy Bands
Appendix G: Selected Rules and Regulations of the Federal Communications Commission
Appendix H: Selected Acronyms and Abbreviations