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 …
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, …
Privacy-concerned averaged human activeness monitoring and …
Jan 1, 2025 · PIR sensors offer a non-invasive method that ensures the safety and confidentiality of individuals, making them a preferred choice for privacy-conscious monitoring solutions. By …
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…
Non-invasive occupancy estimation and space utilization in smart ...
Nov 1, 2025 · This study addresses these limitations by exclusively utilizing two binary PIR sensors (in-door and in-room) and booking data. Since PIR sensors and booking systems are …
piR-hsa-35410 promotes triple-negative breast cancer progression …
Dec 1, 2025 · This study identified piR-hsa-35410 (hereafter piR-35410) with aberrant expression and aimed to further elucidate its biological functions and mechanisms in TNBC. In TNBC, the …
Role and mechanism of piR-0228 targeting RIPK1 to
Nov 1, 2025 · In addition, we identified and confirmed that RIPK1 is a downstream target of piR-0228 and is negatively regulated by it through the integration of bioinformatics analysis. …
CD40 induces PIR-A+ macrophages to promote chronic allograft …
Mar 26, 2025 · Our data suggest that Pira is a potential target to induce long-term allograft tolerance. CD40 may activate transcription factor NF-κB2 translocation into the nucleus to up …
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 …
Optimized Fresnel lens design for enhanced Passive infrared …
May 1, 2025 · Optimized Fresnel lenses are integrated into next-generation systems like passive infrared (PIR) sensors, compact thermal imaging devices, and miniaturized security monitoring …