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, …
Role and mechanism of piR-0228 targeting RIPK1 to
Jul 18, 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. …
Communications in Nonlinear Science and Numerical Simulation
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 …
Passive infrared sensor dataset and deep learning models for …
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 …
Mechanical and thermal properties of polyisocyanurate rigid …
Dec 1, 2023 · 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 …
Pirin is a nuclear redox-sensitive modulator of autophagy …
Jan 15, 2021 · PIR is a nuclear redox sensor and regulator, and increasing it limits the oxidative damage of DNA and the subsequent cytoplasmic transport and extracellular release of …
Chemical gradients in PIR foams as probed by ATR-FTIR analysis …
Jan 1, 2021 · Even if the presence of thermal gradients in PIR foams and its influence on isocyanurate content have been discussed a few times in the literature, a detailed analysis of …
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), …
Abdominal adiposity and family income-to-poverty ratio in …
May 1, 2014 · PIR was calculated by dividing family income by the poverty guidelines, specific to appropriate year and participant's state. In cases where family income was reported as a …