Pulse edge detector with wide dynamic range

Details Pulse edge detector with wide dynamic range Pulse edge detector with wide dynamic range

1997-07-09

1998-08-25

Sotomayor, John B.

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

With particular circuit

Digital processing

342115, 327 24, G01S 728

Patent

active

057987300

ABSTRACT:
A pulse detector achieves high accuracy over a wide dynamic range in providing accurately spaced pulse edge markers that allow measurement of pulse to pulse time intervals. Received input pulses are transformed to a Gaussian like waveform and a single cycle AC signal having a first polarity initial half cycle is derived therefrom, accomplished by subtracting the Gaussian like waveform from a delayed, but substantially time overlapping, copy of that waveform. Upon completion of that initial half cycle, a pulse edge marker is generated. By measuring the time between the pulse edge marker obtained from one inputted pulse and that of the next, a measurement of the pulse to pulse interval is achieved that is of one nanosecond in accuracy.

REFERENCES:
patent: 4527080 (1985-07-01), Zweig
patent: 4630218 (1986-12-01), Hurley
patent: 5084669 (1992-01-01), Dent

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