Passive Infrared Sensor - an overview | ScienceDirect Topics
2009年7月8日 · 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 …
Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...
2021年10月1日 · 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 …
Efficient private information retrievals for single-server based on ...
2025年4月1日 · Private Information Retrieval (PIR) enables users to search data from public databases without revealing their queries to the database owner. However,…
Review of signal processing applications of Pyroelectric Infrared (PIR ...
2021年12月1日 · The article reviews signal processing applications of Pyroelectric Infrared (PIR) sensors with the main focus on the respiration and pulse rate detect…
Design of Smart Home Security System using Object Recognition and …
2018年1月1日 · This research aims to design and implement a home security system with the capability for human detection. The traditional home security system, i.e. …
piR-hsa-35410 promotes triple-negative breast cancer progression via ...
6 天之前 · 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 …
Mechanical and thermal properties of polyisocyanurate rigid foams ...
2023年12月1日 · 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 flammability …
Role and mechanism of piR-0228 targeting RIPK1 to ... - ScienceDirect
2025年11月1日 · 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 …
The m6A hypermethylation-induced PIR overexpression regulates …
2025年7月28日 · 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 …
CD40 induces PIR-A+ macrophages to promote chronic allograft …
2025年3月26日 · Our data suggest that Pira is a potential target to induce long-term allograft tolerance. CD40 may activate transcription factor NF-κB2 translocation into the nucleus to up-regulate PIR-A …