Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1995-08-25
1997-09-02
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342 91, G01S 1393, G01S 7292
Patent
active
056637314
ABSTRACT:
According to the present invention, a relatively straightforward, cost-effective technique for eliminating and/or reducing inaccuracies, such as amplitude induced timing errors, is provided in a pulse detection system without reducing bandwidth or degrading the signal-to-noise ratio. Exemplary embodiments detect a change in polarity of slope in a pulse of received energy to provide accurate pulse detection in the presence of noise, without degrading signal-to-noise ratio. Exemplary embodiments can create a time-invariant pulse from a single received, amplitude variant pulse, wherein a rising edge of the detected pulse is coincident with a change in a polarity of slope of the received pulse. Thus, a repetitive pulse signal is not needed to provide accurate pulse detection. Further, exemplary embodiments eliminate any need for complex circuitry since, for example, they are based on using cost-effective differentiators and do not require a reset signal to be asserted between pulses. In addition, exemplary embodiments do not strip the pulse-width information from the received signal, but rather can produce an output pulse which is proportional in width to the received pulse.
REFERENCES:
patent: 3532905 (1970-10-01), Zijta
patent: 3906377 (1975-09-01), Harris
patent: 3940694 (1976-02-01), Price et al.
patent: 4001825 (1977-01-01), Burgers
patent: 4226245 (1980-10-01), Bennett, Jr.
patent: 4495529 (1985-01-01), Gustafson
patent: 5210397 (1993-05-01), Eastman
patent: 5243553 (1993-09-01), Flockencier
Theodoras, II James T.
Xydis Thomas G.
Imra America Inc.
Sotomayor John B.
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