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 that …
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, which is the …
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 pulse width …
Design of Smart Home Security System using Object Recognition and …
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. …
Review of signal processing applications of Pyroelectric Infrared (PIR ...
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…
piR-27222 mediates PM2.5-induced lung cancer by resisting cell ...
Aug 1, 2024 · PM2.5 pollution has been associated with the incidence of lung cancer, but the underlying mechanism is still unclear. PIWI-interacting RNAs (piRNAs), …
Determination of the impact of environmental temperature on the …
Sep 1, 2021 · PIR gains much of its thermal resistance value from the blowing agents, often a pentane gas mixture, which is trapped in the foam cells [4,5]. Pentane isomers are commonly used in Europe …
Passive infrared sensor dataset and deep learning models for device ...
Jan 1, 2023 · For these reasons, PIR and thermopile sensors are also viable options for location estimation in an indoor environment such as home and office buildings. There are a substantial …
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 and …
PVDF-HFP/EMIM: Otf film-based self-supporting ECL ... - ScienceDirect
Apr 1, 2025 · In the work, a self-supporting electrode (SSE) based-electrochemiluminescence (ECL) biosensor was designed to detect PIWI-interacting RNA-36743 (piR-3…