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Related Concept Videos

Rectangular and Triangular Pulse Function01:19

Rectangular and Triangular Pulse Function

805
The unit rectangular pulse function is mathematically represented by a rectangular function centered at the origin with a height of one unit. This function is defined by two parameters: T, which specifies the center location of the pulse along the time axis, and τ, which determines the pulse duration.
For example, consider a rectangular pulse with a 5V amplitude, a 3-second duration, and centered at t=2 seconds. This pulse can be expressed using the rectangular function, written as,
805
Special considerations while measuring pulse01:13

Special considerations while measuring pulse

621
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
621

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Related Experiment Video

Updated: Jul 25, 2025

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
05:11

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Published on: June 27, 2025

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[Design and implementation of a modular pulse wave preprocessing and analysis system based on a new detection

Feng Jiang1,2,3, Zhibin Zhu1,2,3, Mengge Zhang1,2,3

  • 1College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, P. R. China.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
|June 28, 2023
PubMed
Summary

This study introduces a modular system for analyzing photoplethysmography (PPG) signals, improving pulse wave detection accuracy. The novel screening-checking-deciding algorithm enhances anti-interference capabilities for blood microcirculation analysis.

Keywords:
Design patternPulse wavePulse wave detection algorithmSignal preprocessing

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Area of Science:

  • Physiology
  • Biomedical Engineering

Context:

  • Photoplethysmography (PPG) signals are crucial for assessing blood microcirculation.
  • Accurate pulse waveform detection and morphological analysis are essential in medical PPG applications.

Purpose:

  • To develop a modular pulse wave preprocessing and analysis system using design patterns.
  • To propose a novel, accurate, and robust waveform detection algorithm.

Summary:

  • A modular software system for PPG signal preprocessing and analysis was developed, emphasizing reusable and compatible functional modules.
  • A new screening-checking-deciding algorithm was introduced for improved pulse waveform detection, demonstrating high accuracy and anti-interference capabilities.

Impact:

  • The system offers flexible preprocessing for diverse PPG studies across platforms.
  • The novel algorithm provides a new approach for precise pulse wave analysis and blood microcirculation assessment.