Method for instantaneous processing of the glint noise and track

Details Method for instantaneous processing of the glint noise and track Method for instantaneous processing of the glint noise and track

1983-12-15

1991-09-17

Barron, Jr., Gilberto

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

Determining direction

Monopulse

G01S 1344

Patent

active

050498886

ABSTRACT:
Method and apparatus for instantaneous processing of the glint noise in a monopulse radar. The radar antenna receives a sum signal S and a difference signal .DELTA. whose phases vary as functions of time. Successive derivatives Q.sup.(k) of order k, are calculated as a function of time from k=0 to k=N'. Also, the scaler product Q=S.times..DELTA. of the sum signal and difference signals is calculated. Then, successive derivatives P.sup.(k) of order k are calculated as a function of time from k=0 up to k=N'. Also, the power P=.vertline.S.vertline..sup.2 of the signal received, which is equal to the square of the modulus of the sum signal S, is calculated. Next, a plurality of derived angle-error measurement operators (.epsilon..sub.k) are calculated such that a .epsilon..sub.k =Q.sup.(k) /P.sup.(k). Finally, a combined angle-error measurement operator .epsilon. is calculated such that ##EQU1## The weighting coefficients .beta..sub..kappa. are coefficients representing the quality of the associated derived operator .epsilon..sub..kappa. relative to the angle-error measurement of the barycenter of the target.

REFERENCES:
patent: 4296415 (1981-10-01), Pelton et al.
patent: 4345252 (1982-08-01), Carre et al.
patent: 4368468 (1983-01-01), Lisle et al.
patent: 4719464 (1988-01-01), Gendreu

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