Method and apparatus for correcting velocity-induced range...

Details Method and apparatus for correcting velocity-induced range... Method and apparatus for correcting velocity-induced range...

2007-01-02

2007-01-02

Tarcza, Thomas H. (Department: 3662)

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

Determining distance

With frequency modulation

C342S118000, C342S174000, C342S067000

Reexamination Certificate

active

10956837

ABSTRACT:
A method and apparatus is provided for correcting the phase difference estimate derived from a two-tone CW radar to correct velocity-induced range estimate phase errors by offsetting the phase difference estimate with a phase correction equal to either of the Doppler frequencies associated with returns from an object multiplied by the time interval between the samplings of the returned waveforms. The correction effectively eliminates the velocity-induced slippage between the phases of the retuned waveforms so that a comparison between the phases of the waveforms can be made to reduce or substantially eliminate range estimate bias.

REFERENCES:
patent: 2907999 (1959-10-01), Wadley
patent: 4433422 (1984-02-01), Kurth
patent: 4797677 (1989-01-01), MacDoran et al.
patent: 5402129 (1995-03-01), Gelner et al.
patent: 5432521 (1995-07-01), Siwiak et al.

Affiliated with

Also associated with

Rating

Method and apparatus for correcting velocity-induced range... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for correcting velocity-induced range..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for correcting velocity-induced range... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3741665