Passive Infrared Sensor - an overview | ScienceDirect Topics
2009年7月8日 · 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 that …
Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...
2021年10月1日 · 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, which is the …
Privacy-concerned averaged human activeness monitoring and normal ...
2025年1月1日 · 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 …
Research paper
2025年6月1日 · 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 pulse width …
Review of signal processing applications of Pyroelectric Infrared (PIR ...
2021年12月1日 · 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 and …
2018年1月1日 · This research aims to design and implement a home security system with the capability for human detection. The traditional home security system, i.e. …
Mechanical and thermal properties of polyisocyanurate rigid foams ...
2023年12月1日 · The use of polyisocyanurate (PIR) foams as a substitute for polyurethane (PUR) is steadily growing for insulation, flooring, and roofing applications, given PIR's higher flammability …
piR-hsa-35410 promotes triple-negative breast cancer progression via ...
2025年12月1日 · 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 …
Self-supporting flexible electrode-integrated microfluidic ECL sensor ...
2025年11月1日 · The integration of electrochemiluminescence (ECL) sensor into microfluidic chip can greatly improve the convenience and reliability in bioanalysis, en…
CD40 induces PIR-A+ macrophages to promote chronic allograft …
2025年3月26日 · 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 and …