Error corrector for radar timing systems

Details Error corrector for radar timing systems Error corrector for radar timing systems

2006-03-10

2008-11-04

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Automatic frequency control

C342S083000, C342S102000, C342S174000

Reexamination Certificate

active

07446699

ABSTRACT:
A feedback loop corrects timing errors by reducing deviations from a constant radar sweep rate. Errors are detected and fed back to a phase corrector in a high gain feedback system. A precision radar rangefinder can be implemented with a direct digital synthesizer (DDS) that includes feedback error correction for reducing range errors by, for example, 100 times, or to 0.1 mm. An error-corrected DDS swept timing system can enable a new generation of highly flexible, repeatable and accurate radar, laser and guided wave rangefinders.

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