Communications: directive radio wave systems and devices (e.g. – With particular circuit – For pulse modulation
Patent
1991-06-25
1992-09-08
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
For pulse modulation
342132, G01S 1328
Patent
active
051462290
ABSTRACT:
A pulse compression modified OMIR waveform s.sub.N (t) is obtained by computing the OMIR eigenfunctions .phi..sub.i, i=1, 2, . . . , .infin., for an autocorrelation function of the expected target impulse response, specifying a waveform c(t) having a desired pulse compression characteristic, and generating expansion terms ##EQU1## for various expansion indices N, until a desired waveform is obtained. The expansion coefficients c.sub.i (t) are given by ##EQU2##
REFERENCES:
patent: 3216013 (1965-11-01), Thor
patent: 3614719 (1971-10-01), Treacy
patent: 4580139 (1986-04-01), Weathers et al.
patent: 4626853 (1986-12-01), Lee et al.
patent: 4901082 (1990-02-01), Schreiber et al.
patent: 4992797 (1991-02-01), Gjessing et al.
Guerci Joseph R.
Hulsmann John D.
Schutz Robert W.
Barron Jr. Gilberto
Grumman Aerospace Corporation
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