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A Simple Method Of Simulating Motion And Plasma Induced Variations In The Attenuation Of Signals Transmitted From Reentry Vehicles
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Book Synopsis A Simple Method of Simulating Motion and Plasma Induced Variations in the Attenuation of Signals Transmitted from Reentry Vehicles by : J. L. Poirier
Download or read book A Simple Method of Simulating Motion and Plasma Induced Variations in the Attenuation of Signals Transmitted from Reentry Vehicles written by J. L. Poirier and published by . This book was released on 1973 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple method of simulating the variation in the amplitude of microwave signals from rocket-borne transmitters is presented. The technique reproduces signal changes caused by vehicle motion as well as those induced by plasma effects. The simulator uses a voltage controlled attenuator which is programmed to vary the output power of a test transmitter to produce the variations in signal amplitude which would be observed during a flight. An analog system which is suitable for variations of simple cyclical shape and a digital simulator which can reproduce changes of any complexity are presented. Use of the simulator before flight allows the dynamic behavior of a microwave link to be determined, permits optimum receiver and recorder parameters to be selected, increases operator confidence, and enhances flight test reliability. (Author).
Book Synopsis A Simple Method of Simulating Motion and Plasma Induced Variations in the Attenuation of Signals Transmitted from Reentry Vehicles by : J. L. Poirier
Download or read book A Simple Method of Simulating Motion and Plasma Induced Variations in the Attenuation of Signals Transmitted from Reentry Vehicles written by J. L. Poirier and published by . This book was released on 1973 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple method of simulating the variation in the amplitude of microwave signals from rocket-borne transmitters is presented. The technique reproduces signal changes caused by vehicle motion as well as those induced by plasma effects. The simulator uses a voltage controlled attenuator which is programmed to vary the output power of a test transmitter to produce the variations in signal amplitude which would be observed during a flight. An analog system which is suitable for variations of simple cyclical shape and a digital simulator which can reproduce changes of any complexity are presented. Use of the simulator before flight allows the dynamic behavior of a microwave link to be determined, permits optimum receiver and recorder parameters to be selected, increases operator confidence, and enhances flight test reliability. (Author)
Download or read book Instrumentation Papers written by and published by . This book was released on with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1974 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1972 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements by :
Download or read book Government Reports Announcements written by and published by . This book was released on 1974-04 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalog of Government Patents written by and published by . This book was released on 1982 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Index written by and published by . This book was released on 1975 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalog of Government Patents: Abstracts 1975-80 by :
Download or read book Catalog of Government Patents: Abstracts 1975-80 written by and published by . This book was released on 1981 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1974 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1974 with total page 1176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalog of the United States Geological Survey Library by : U.S. Geological Survey Library
Download or read book Catalog of the United States Geological Survey Library written by U.S. Geological Survey Library and published by . This book was released on 1976 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1961 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of the Effects of Different Transport Coefficients on the Nonlinear Reflection and Transmission Coefficients of a Reentry Plasma by : Robert J. Papa
Download or read book Comparison of the Effects of Different Transport Coefficients on the Nonlinear Reflection and Transmission Coefficients of a Reentry Plasma written by Robert J. Papa and published by . This book was released on 1973 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a previous report, it was explained how it is desirable to maximize the amount of power that can be transmitted from a reentry vehicle by suppressing the onset of antenna voltage breakdown. Thus, the amount of high power EM radiation that can be transmitted will be greatly enhanced if electrophilic compounds are injected into the reentry flow field. A computer program has been set up and is now capable of numerically integrating Maxwell's equations coupled with the plasma transport equations. The computer code calculates the electron density profile and the plane wave transmission and reflection coefficients, as a function of incident power level for a variety of reentry flow field conditions. An implicit-explicit method is used to numerically integrate in time the coupled, nonlinear, parabolic partial differential equations. A very efficient algorithm is given for solving the coupled, tridiagonal system of equations for the electron and positive ion densities. For a typical set of reentry flow field conditions, graphs are presented of the electron density profile and the plane wave reflection and transmission coefficients for different incident power levels. The effects of varying the plasma transport coefficients are investigated in some detail. Also, the effects of varying the length of a high power pulse are investigated. (Author).
Book Synopsis Bulletin of the Atomic Scientists by :
Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1961-05 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.
Download or read book ספר ליקוטי שושנים written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
