Passive Infrared Sensor - an overview | ScienceDirect Topics
Jul 8, 2009 · PIR sensor: A motion detector is integrated into the PIR (Passive Infrared) sensor, which tracks the direction of an individual’s movements in the field. Additionally, the sensor has a light …
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…
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. …
Novel occupancy detection method based on convolutional neural …
Oct 1, 2024 · PIR sensors have been used extensively as motion detectors, as illustrated in Fig. 2 A. Six PIR sensors were evenly installed on the ceiling of the office. The installation points and floor plan of …
The m6A hypermethylation-induced PIR overexpression regulates …
Jul 28, 2025 · Here, we identified Pirin (PIR) as a key oncogenic factor in UM through comprehensive multi-omics analyses, revealing that PIR is significantly upregulated and correlates with poor …
1,2-Dichloroethane induces testicular pyroptosis by activating piR …
1,2-Dichloroethane (1,2-DCE) is a prevalent environmental contaminant, and our study revealed its induction of testicular toxicity in mice upon subacu…
Role and mechanism of piR-0228 targeting RIPK1 to ... - ScienceDirect
Nov 1, 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. Finally, we …
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 …
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 …