System to simulate motion and plasma induced signal variations f

Details System to simulate motion and plasma induced signal variations f System to simulate motion and plasma induced signal variations f

1975-08-18

1977-01-25

Safourek, Benedict V.

35 12R, G09B 902

Patent

active

040053660

ABSTRACT:
A system to simulate motion and plasma induced variations in the attenuation of signals transmitted from reentry vehicles uses a controlled attenuator which is programmed to vary the output power of a test transmitter in a way which simulates the variation which would be observed in actual flight. The simulator can be programmed by either an analog wave shaper or a digital driver to control the attenuation characteristics of a voltage control attenuator thus producing signal variations equivalent to those induced by the plasma sheath and motion of the vehicle.

REFERENCES:
patent: 3293777 (1966-12-01), Shaw et al.
patent: 3605022 (1971-09-01), Fillipo et al.
patent: 3727137 (1973-04-01), Barron

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