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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 that …

  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, which is the …

  3. The RNA phosphatase PIR-1 regulates endogenous small

    Feb 4, 2021 · PIR-1 also regulates the CSR-1 22G-RNA pathway and has critical functions in both somatic and germline development. Our findings suggest that PIR-1 modulates both Dicer …

  4. 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 …

  5. 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. …

  6. Thermal degradation of highly crosslinked rigid PU-PIR foams based …

    Sep 1, 2019 · This study presents the development and analysis of rigid polyurethane-polyisocyanurate (PU-PIR) foam synthesized from high functionality tall oil (TO…

  7. Experimental and numerical study of temperature developments in PIR ...

    Jun 1, 2017 · This paper presents the results of an experimental and numerical investigation of temperature developments in sandwich panels consisting of steel shee…

  8. Bifurcation analysis and control in a second-order DC–AC inverter with ...

    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 …

  9. Door Security System for Home Monitoring Based on ESP32

    Jan 1, 2019 · To detect motion, PIR Sensor is utilized and in additional, a magnetic sensor is used to detect door state whether it is open or close. In this section, we discuss the system design approach …

  10. Chemical gradients in PIR foams as probed by ATR-FTIR analysis and ...

    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 the chemical …