MILLIMETER WAVE LENGTH GUIDANCE SYSTEM
Assignee
SPERRY CORPORATION, A CORP. OF DE
Filed
Oct 10, 1980
Granted
May 12, 1987
Location
ST. PETERSBURG FL US
Abstract
A high frequency target seeking device, using a stabilized reflector antenna, performs range search and tracking functions and target angle search and tracking functions. A technique is provided for target range discrimination using several narrow band i.f. filters, also thereby improving signal-to-clutter ratio and signal-to-receiver noise ratio. Target search is accomplished with simultaneous range and antenna azimuth scanning, with the range bins and the antenna beam swept across the target. A multiplexer selects the range bin having signals indicative of the target. Target range tracking is accomplished by the multiplexer additionally automatically selecting range bins adjacent to the target's range bin and comparing their output signals. Antenna stabilization is accomplished utilizing signals from vehicle pitch, roll, and yaw rate sensors, and antenna elevation and azimuth rate and angle sensors. These signals are processed in the antenna control circuit according to predetermined relationships to provide the desired antenna stabilization.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
May 7, 1982
Rescinded
Jun 9, 1986
Duration
4 years, 1 month
Inventor
- 1JOHN T. GARRARD
Record Details
- Patent number
- US 4665401
- Application
- 06195809
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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