Active boresight drift measurement and calibration apparatus

Details Active boresight drift measurement and calibration apparatus Active boresight drift measurement and calibration apparatus

1989-01-26

1990-01-23

Berman, Jack I.

Radiant energy

Electrically neutral molecular or atomic beam devices and...

250397, 2504911, 356150, 356152, 356153, H05H 300, G01B 1127

Patent

active

048960322

ABSTRACT:
An active boresight drift measurement and calibration apparatus utilizing a predetermined number of interferometer units to measure the distances between themselves, the target tracking unit and the beam direction sensing unit. The interferometer units provide the initial alignment reference and by periodic repeat measurements provides distance change data to establish boresight alignment drift correction angles.

REFERENCES:
patent: 3782826 (1974-01-01), Offutt
patent: 3926523 (1975-12-01), Chapman
patent: 4168908 (1979-09-01), Cubalchini
patent: 4227807 (1980-10-01), Pond et al.
patent: 4627722 (1986-12-01), Falk et al.
patent: 4700068 (1987-10-01), McClung et al.
patent: 4714339 (1987-12-01), Lau et al.
Jenkins and H. E. White, "Fundamentals of Optics", 2nd Edition, McGraw Hill Book Co., 1950, pp. 240-244.

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