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  1. 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 …

  2. 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, …

  3. 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…

  4. 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 …

  5. 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. …

  6. piR-27222 mediates PM2.5-induced lung cancer by resisting cell ...

    Aug 1, 2024 · Our study revealed that 1) piR-27222 functions as an oncogene to suppress PANoptosis of lung cancer cells; 2) piR-27222 promotes the protein levels of WTAP by …

  7. 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 …

  8. Determination of the impact of environmental temperature on the …

    Sep 1, 2021 · The expected thermal conductivity of PIR samples at the interval between -25 °C and -10 °C average sample temperature was calculated in the following order: using specific …

  9. Pattern Recognition | Journal | ScienceDirect.com by Elsevier

    Pattern Recognition is a mature but exciting and fast developing field, which underpins developments in cognate fields such as computer vision, image processing, text and …

  10. 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 …

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