The Telemetry and Communication Problem of Re-Entrant Space Vehicles
1960; Institute of Electrical and Electronics Engineers; Volume: 48; Issue: 4 Linguagem: Inglês
10.1109/jrproc.1960.287451
ISSN2162-6634
Autores Tópico(s)Space exploration and regulation
ResumoThe problems associated with propagation of electromagnetic telemetry and communication (and guidance) signals through the densely ionized region (plasma) generated by, and surrounding a hypersonic space vehicle re-entering the earth's atmosphere are reviewed. The nature and extent of the plasma-radio wave interference is explained in terms of the classical treatments which have evolved from ionospheric studies. The limitations of the simple classical models are pointed out in the light of the more complex nature of the hypersonically generated plasma. Methods for overcoming the deleterious influences of the plasma are presented, culminating in presentation of some new approaches to this problem.
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