Communications: directive radio wave systems and devices (e.g. – Determining distance – With pulse modulation
Patent
1997-05-30
2000-05-23
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Determining distance
With pulse modulation
342137, G01S 1312
Patent
active
060670401
ABSTRACT:
A low-cost, high-resolution radar based detection system has a pulse repetition frequency generator connected to first and second narrow pulse modulators. A transmit channel is connected to the first narrow pulse modulator and emits pulse modulated carrier based transmit signals having a prescribed carrier frequency and a prescribed duration. A receive channel is connected to the second narrow pulse modulator. A time delay circuit delays the output of the second pulse modulator to the receive channel and a mixer mixes a portion of one of the pulse modulated carrier based transmit signals reflected from an object with the output of the second narrow pulse modulator.
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Sotomayor John B.
The Whitaker Corporation
LandOfFree
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