Passive Infrared Sensor - an overview | ScienceDirect Topics
Jul 8, 2009 · 3.2 Passive infrared sensor (PIR sensor) A PIR sensor is an electronic sensor used in motion detectors such as automatically triggered lighting devices and protection systems …
Review of signal processing applications of Pyroelectric Infrared …
Dec 1, 2021 · The article reviews signal processing applications of Pyroelectric Infrared (PIR) sensors with the main focus on the respiration and pulse rate detect…
Design of Smart Home Security System using Object Recognition …
Jan 1, 2018 · This research aims to design and implement a home security system with the capability for human detection. The traditional home security system, i.e. …
Research paper
Jun 1, 2025 · The quasi-PIR controlled second-order inverter has two working modes, and its state switches between mode one and two once in a switching period via the bipolar sinusoidal …
Self-supporting flexible electrode-integrated microfluidic ECL …
Nov 1, 2025 · The integration of electrochemiluminescence (ECL) sensor into microfluidic chip can greatly improve the convenience and reliability in bioanalysis, en…
The m6A hypermethylation-induced PIR overexpression regulates …
Jul 28, 2025 · Here, we identified Pirin (PIR) as a key oncogenic factor in UM through comprehensive multi-omics analyses, revealing that PIR is significantly upregulated and …
CD40 induces PIR-A+ macrophages to promote chronic allograft …
Mar 26, 2025 · Results CD40 and PIR-A were highly expressed and colocalized in macrophage-infiltrating allograft in the mouse model. CD40-CD40L blockade inhibited PIR-A expression …
piR-001773 and piR-017184 promote prostate cancer progression …
Dec 1, 2020 · The downregulation of piR-001773 and piR-017184 inhibited tumor growth both in vitro and in vivo. These findings suggested that piR-001773 and piR-017184 played important …
Method for long-term mapping of occupancy patterns in open …
Jan 1, 2021 · Method for long-term mapping of occupancy patterns in open-plan and single office spaces by using passive-infrared (PIR) sensors mounted below desks
Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...
Oct 1, 2021 · For the PIR sensor, coverage area, sensitivity, angle of view, and responsitivity are the main criteria required for better sensor performance. The dominant one is the sensitivity, …