Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Integrator and Differentiator

Integrator and Differentiator

Op-amp circuits have significant applications in various fields, including automotive engineering. One such application is cruise control systems in cars, where op-amp circuits are integral for maintaining a constant speed. In these systems, op-amps function as both integrators and differentiators.
An integrator within an op-amp circuit produces an output directly proportional to the integral of the input signal. This is achieved by replacing the feedback resistor in a typical inverting...

Multi-input and Multi-variable systems

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...

Bus Impedance Matrix

Bus Impedance Matrix

Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...

Linear time-invariant Systems

Linear time-invariant Systems

A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
The input-output behavior of an LTI system can be fully defined by its response to an impulsive excitation at its input. Once this impulse response is known, the system's reaction to any other input can be calculated...

Linear Circuits

Linear Circuits

A linear circuit is characterized by its output having a direct proportionality to its input, adhering to the linearity property, which encompasses the principles of homogeneity (scaling) and additivity. Homogeneity dictates that when the input, also referred to as the excitation, is multiplied by a constant factor, the output, known as the response, is correspondingly scaled by the same constant factor. For instance, if the current is multiplied by a constant 'k,' the voltage likewise...

Basic Discrete Time Signals

Basic Discrete Time Signals

The unit step sequence is defined as 1 for zero and positive values of the integer n. This sequence can be graphically displayed using a set of eight sample points, showing a step function starting from n=0 and remaining constant thereafter.
The unit impulse or sample sequence is mathematically expressed as zero for all n values except at n=0, where it is one. The unit impulse sequence, denoted by δ(n), is the first difference of the unit step sequence, while the unit step sequence u(n) is the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Analgesic effects of posthypnotic suggestions and virtual reality distraction on thermal pain.

Journal of abnormal psychology·2006

Same author

Closing the supply vs. demand gap for veterinary pathologists: a multifaceted problem in need of a multifaceted solution.

Veterinary pathology·2005

Same author

Impairment after burns: a two-center, prospective report.

Burns : journal of the International Society for Burn Injuries·2003

Same author

The 2002 Lindberg Award. PRN vs regularly scheduled opioid analgesics in pediatric burn patients.

The Journal of burn care & rehabilitation·2002

Same author

Sleep disturbance after burn injury.

The Journal of burn care & rehabilitation·2002

Same author

Rates, trends, and severity of depression after burn injuries.

The Journal of burn care & rehabilitation·2002

Search research articles

Related Experiment Video

Updated: Jul 2, 2026

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Published on: January 9, 2016

Automatically sweeping dual-channel boxcar integrator.

D J Keefe¹, D R Patterson

¹Electronics Division, Argonne National Laboratory, Argonne, IL 60439, USA.

The Review of Scientific Instruments

|October 1, 1978

Summary

This summary is machine-generated.

A new automatically sweeping dual-channel boxcar integrator automates the detection of hidden signals in noisy environments. This instrument precisely locates signals, measures their peak values, and displays time delays, simplifying complex measurements.

More Related Videos

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

Intermediate Strain Rate Material Characterization with Digital Image Correlation

Intermediate Strain Rate Material Characterization with Digital Image Correlation

Published on: March 1, 2019

Related Experiment Videos

Last Updated: Jul 2, 2026

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics

Published on: January 9, 2016

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition

Published on: June 27, 2025

Intermediate Strain Rate Material Characterization with Digital Image Correlation

Intermediate Strain Rate Material Characterization with Digital Image Correlation

Published on: March 1, 2019

Area of Science:

Electrical Engineering
Signal Processing
Instrumentation

Background:

Detecting weak signals buried in noise and drift is a significant challenge in many scientific fields.
Conventional methods for signal acquisition are often manual, time-consuming, and prone to errors, especially when dealing with time-varying delays.

Purpose of the Study:

To develop an automated system for detecting and measuring signals hidden in noise and DC offsets.
To improve the efficiency and accuracy of signal acquisition by eliminating manual search procedures.

Main Methods:

Development of an automatically sweeping dual-channel boxcar integrator.
Implementation of algorithms for signal location, time delay measurement (100-ns resolution), and peak value display.
Capability for repeated signal integration (up to 990 times) to enhance signal-to-noise ratio.

Main Results:

The instrument successfully automates the search for hidden signals with constant or slowly varying time delays.
It accurately measures signal peak values and displays time delays, reducing operator workload.
The system effectively improves signal-to-noise ratio and eliminates DC-drift errors.

Conclusions:

The automatically sweeping dual-channel boxcar integrator offers a significant advancement in signal detection technology.
It provides a robust and efficient solution for measuring weak signals in challenging noisy environments.
The instrument can function as both an automated search tool and a conventional dual-channel boxcar integrator.