Communications: directive radio wave systems and devices (e.g. – Determining distance – With frequency modulation
Patent
1987-07-22
1988-07-19
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With frequency modulation
342120, 342132, 342145, G01S 1308
Patent
active
047588390
ABSTRACT:
Stable measurement of terrain-height variations is provided by this radar system which employs a very low power spread spectrum transmitted signal which, after reception, is processed digitally for extremely stable and predictable performance. The system also includes an automatic power control circuit to maintain the transmitted power at the minimum required level.
REFERENCES:
patent: 4357610 (1982-11-01), Kingston et al.
patent: 4359735 (1982-11-01), Lewis et al.
patent: 4468638 (1984-08-01), Kyriakos
patent: 4618863 (1986-10-01), Collins
patent: 4706092 (1987-11-01), Magne
Fogle Dale A.
Goebel Robert H.
Cone Gregory A.
Finch George W.
McDonnell Douglas Corporation
Scholl John P.
Sotomayor John B.
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