Range tracker utilizing spectral analysis

Details Range tracker utilizing spectral analysis Range tracker utilizing spectral analysis

G - Physics

01

S

343/24

G01S 13/64 (2006.01) G01S 13/34 (2006.01) G01S 13/70 (2006.01)

Patent

CA 1132231

RANGE TRACKER UTILIZING SPECTRAL ANALYSIS Abstract A radar system transmits a signal to a target wherein the frequency is modulated with a sinusoidal modulation pattern. The difference between the actual target range and an estimate thereof is subjected to a spectral analysis wherein the spectral terms are described by Bessel functions. A second order range tracking loop, responsive to the relative magnitudes of the spectral terms, and an estimator of target radial acceleration, responsive to successive values of the spectral terms, provide components of the range estimate.

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