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, …
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…
piR-hsa-35410 promotes triple-negative breast cancer progression …
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 elevated …
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. …
Bifurcation analysis and control in a second-order DC–AC inverter …
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 …
Design of Smart Home Security System using Object Recognition …
Jan 1, 2018 · The PIR sensor detects the movement around the sensor to activate the webcam to capture a picture. Then, the object recognition is performed using histogram of gradient (HoG) …
Novel occupancy detection method based on convolutional neural …
Oct 1, 2024 · The sensors divided the office into six separate sub-zones. The four west PIR sensors covered four seats and the personnel sitting in these positions were all university …
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 …
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, …