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mmvital-signs's Introduction

mmVital-Signs

Millimeter-wave vital-signs detection

GitHub version GitHub version GitHub version GitHub version

The mmVital-Signs project aims at vital signs detection and provide standard python API from Texas Instrument (TI) mmWave hardware, such as xWR14xx, xWR16xx and xWR68xx.

Experiment Environment

Detection range covers the hemicircle area at 0m ~ 8.6m, refers to Part.3

Demo

捕获

image

Theory

  • Biology

Typical body surface displacement parameters due to breathing and hear-beat are：

  • FMCW Basics

Periodic linearly-increasing frequency chirps (known as Frequency-Modulated Continuous Wave (FMCW)) are transmitted by radar towards the object：

Transmitted FMCW signal is given by $$s(t)=e^{j\cdot(2\pi f_ct+\pi \frac{B}{T}t^2)}$$ , it means that we can measure the changes of phase in back waves to predict the movement as $$\Delta \phi = \frac{4\pi\Delta d}{\lambda}$$

  • Chirp Configuration for Demo

100 ADC Samples per chirp. Chirp duration is 50 ms based on the IF sampling rate of 2 MHz

Vital signs waveform is sampled along the “slow time axis” hence the vital signs sampling rate is equal to the Frame-rate of system

Requirements

Item Details
Device IWR6843ISK Antenna Module OR IWR6843ISK_ODS Antenna Module OR IWR6843AOPEVM.
Power Supply 5V, 3A with 2.1-mm barrel jack (center positive). The power supply can be wall adapter style or a battery pack with a USB to barrel jack cable.
Python 3.6 All package included in requirements.txt

mmvital-signs's People

Contributors

kylinc avatar

Stargazers

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Watchers

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Forkers

zgod8858 siucaan zhongqin-wang dnunivwuxi hsuptig xinj3 jimzgchow gupta-vipin ignss tot-code thearjunkumar wayne-dwa mjk1376 xuyouhust explorer-xf wmjlovesyy tobideboumaa zfzhong dhurai1995 rouchan yujiechou yitingwu31 haoranlizero elahirad salutehy

mmvital-signs's Issues

COM Port Change

Dear KylinC,

Many Thanks for your project. Do I need to change the port number and other things in com.py?

Best Regards
Yilun

"index.html" missing !!!

Hi there
Thank you for sharing this project. I have an issue when trying to launch the app:
jinja2.exceptions.TemplateNotFound: index.html
Can you help me solve this issue?

Detect the heart rate of a mouse

Can I use this project to detect the heart rate of a mouse?

Detect frequencies between 500 and 700 BPM (8,3 - 11,6 hz)

Thank you

6843

Hi，
Ti officially removed the previous vital signs project of 6843.
Could you please provide the source code of the project, thank you very much.

Ti官方移除了之前6843的vital signs 项目，
请问您是否可以提供项目源码，非常感谢。

Implant this project to xWR1443

Thank you sincerely for sharing，If i want to implant this project into xWR1443,besides modifying the config file, what else should be changed?
What's more,How to get started with mmWave radar signal process programming?looking forword to your reply!

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