Amplitude- and rise-time-compensated filters
Patent
·
OSTI ID:864967
- Oak Ridge, TN
An amplitude-compensated rise-time-compensated filter for a pulse time-of-occurrence (TOOC) measurement system is disclosed. The filter converts an input pulse, having the characteristics of random amplitudes and random, non-zero rise times, to a bipolar output pulse wherein the output pulse has a zero-crossing time that is independent of the rise time and amplitude of the input pulse. The filter differentiates the input pulse, along the linear leading edge of the input pulse, and subtracts therefrom a pulse fractionally proportional to the input pulse. The filter of the present invention can use discrete circuit components and avoids the use of delay lines.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4443768
- OSTI ID:
- 864967
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/327/326/
amplitude
amplitude-
amplitude-compensated
amplitudes
avoids
bipolar
characteristics
circuit
circuit component
circuit components
components
converts
delay
delay line
delay lines
differentiates
disclosed
discrete
edge
filter
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fractionally
independent
input
input pulse
leading
leading edge
linear
lines
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non-zero
output
output pulse
proportional
pulse
random
rise
rise time
rise times
rise-time-compensated
rise-time-compensated filter
subtracts
therefrom
time
time-of-occurrence
times
tooc
zero-crossing
amplitude
amplitude-
amplitude-compensated
amplitudes
avoids
bipolar
characteristics
circuit
circuit component
circuit components
components
converts
delay
delay line
delay lines
differentiates
disclosed
discrete
edge
filter
filters
fractionally
independent
input
input pulse
leading
leading edge
linear
lines
measurement
non-zero
output
output pulse
proportional
pulse
random
rise
rise time
rise times
rise-time-compensated
rise-time-compensated filter
subtracts
therefrom
time
time-of-occurrence
times
tooc
zero-crossing