Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Introduction to Vital Signs01:25

Introduction to Vital Signs

8.6K
Vital signs are physiological measurements that help key into the status of the body's essential functions. These include body temperature, pulse rate, respiratory rate, and blood pressure, commonly abbreviated as T, P, R, and BP. Some healthcare settings also consider oxygen saturation (SpO2) and, in specific contexts, pain and level of consciousness as additional vital signs.
Vital signs help healthcare professionals assess an individual's well-being and detect any functional changes...
8.6K
Guidelines For Measuring Vital Signs01:19

Guidelines For Measuring Vital Signs

2.9K
Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
2.9K
Doppler Effect - I00:56

Doppler Effect - I

6.5K
The Doppler effect and Doppler shift were named after the Austrian physicist and mathematician Christian Johann Doppler in 1842, who conducted experiments with both moving sources and moving observers. Consider an observer standing on a street corner, observing an ambulance with a siren sound passing by at a constant speed. The observer experiences two characteristic changes in the sound of the siren. Initially, the sound increases in loudness as the ambulance approaches and decreases in...
6.5K
Doppler Effect - II01:05

Doppler Effect - II

4.8K
The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...
4.8K
Role of Proteins in the Human Body01:28

Role of Proteins in the Human Body

6.4K
Proteins are the building block of life. They are also  the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They...
6.4K
Sign Convention01:30

Sign Convention

3.5K
When analyzing a beam subjected to various loads, it is crucial to understand the internal forces and moments generated within the structure. These internal forces can be broadly classified into normal forces, shear forces, and bending moments. To determine these forces and moments, we use the method of sections and apply a specific sign convention based on their direction and the side of the section being analyzed.
The normal force acts perpendicular to the beam's cross-section and can...
3.5K

You might also read

Related Articles

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

Sort by
Same author

Continuous forecasting of range-dependent ocean sound speed field: Diffusion model meets multi-output Gaussian process.

The Journal of the Acoustical Society of America·2026
Same author

Investigating interference patterns in bistatic bottom reverberation through two-dimensional cross-term analysis.

The Journal of the Acoustical Society of America·2025
Same author

Unveiling the spatial-temporal dynamics: Diffusion-based learning of conditional distribution for range-dependent ocean sound speed field forecasting.

The Journal of the Acoustical Society of America·2024
Same author

Metasurface Holography with Multiplexing and Reconfigurability.

Nanomaterials (Basel, Switzerland)·2024
Same author

Enhancing the robustness of ocean sound speed profile representation via interpretable deep matrix decomposition.

The Journal of the Acoustical Society of America·2023
Same author

Improved snapshot-deficient active target localization using the knowledge-aided covariance of reverberation.

JASA express letters·2023

Related Experiment Video

Updated: Feb 7, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

15.2K

Estimation of Human Body Vital Signs Based on 60 GHz Doppler Radar Using a Bound-Constrained Optimization Algorithm.

Ting Zhang1, Julien Sarrazin2, Guido Valerio3

  • 1Zhejiang Provincial Key Laboratory of Information Processing, Communication and Networking (IPCAN), College of Information Science and Electronic Engineering (ISEE), Zhejiang University, Hangzhou 310027, China. zhang_ting@zju.edu.cn.

Sensors (Basel, Switzerland)
|July 14, 2018
PubMed
Summary
This summary is machine-generated.

This study uses optimization algorithms with 60 GHz Doppler radar to accurately estimate human pulse and breathing rates by detecting subtle body movements. The method proves more robust than spectrum analysis, even with complex motion interferences.

Keywords:
60 GHz Doppler radarbound-constrained optimization algorithmbreathing and heartbeat rate detection

More Related Videos

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.5K
Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

6.1K

Related Experiment Videos

Last Updated: Feb 7, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

15.2K
Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.5K
Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

6.1K

Area of Science:

  • Biomedical Engineering
  • Signal Processing
  • Radar Technology

Background:

  • Accurate estimation of vital physiological signals like breathing and pulse rates is crucial for remote health monitoring.
  • Doppler radar systems offer a non-contact method for detecting physiological movements.
  • Interactions between breathing and heartbeat can complicate signal analysis.

Purpose of the Study:

  • To apply bound-constrained optimization algorithms for estimating human pulse and breathing rates using 60 GHz Doppler radar.
  • To analyze the influence of mutual phasing between breathing and heartbeat movements.
  • To compare the robustness of optimization algorithms against direct spectrum analysis.

Main Methods:

  • Utilizing 60 GHz Doppler radar to detect displacements caused by human breathing and heartbeat.
  • Applying bound-constrained optimization algorithms to process radar signals.
  • Analyzing theoretical frameworks for mutual phasing effects.
  • Comparing different optimization procedures and direct spectrum analysis under noise and motion artifacts.
  • Proposing a parallel optimization procedure for large-scale constrained bounds.

Main Results:

  • Optimization algorithms accurately detect both breathing and heartbeat rates, overcoming intermodulation effects.
  • The proposed optimization methods are more robust to receiver noise and random body motion artifacts than direct spectrum analysis.
  • A parallel optimization approach reduces detection time for large-scale constrained bounds.

Conclusions:

  • Bound-constrained optimization algorithms provide an accurate and robust method for non-contact vital sign monitoring using Doppler radar.
  • This approach effectively addresses challenges posed by the intermodulation of physiological movements.
  • Parallel processing enhances the efficiency of vital sign detection in practical scenarios.