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The Effects of Low-Noise Techniques on Tropospheric Scatter Communications

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2 Author(s)
Feiner, A. ; Griffis Air Force Base, NY ; Savage, D.

This paper defines the expected benefits to be derived from the use of low-noise receiver techniques when applied to tropospheric scatter systems in the 1000 to 2000-mc range. Calculations were made of the expected antenna noise temperatures for "smooth" and "rough" ground locations. These data, plus the known and anticipated performance of various low-noise techniques, permitted the calculation of increased sensitivity. The sensitivity improvement is then expressed in terms of increased range, decreased transmitter power, and decreased antenna size.

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Communications Systems, IRE Transactions on  (Volume:7 ,  Issue: 4 )