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 · Recent years have seen an exponential growth in energy utilization to improve our lifestyle. This growth affects the demand and supply of energy and m…
Privacy-concerned averaged human activeness monitoring and …
Jan 1, 2025 · Detecting human activity through cameras and machine learning methods raises significant privacy concerns, while alternatives like thermal cameras can…
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…
Role and mechanism of piR-0228 targeting RIPK1 to
Nov 1, 2025 · The diagnosis and management of aortic dissection (AD), a critical cardiovascular disease (CVD), remains significant challenges in clinical practice. …
Non-invasive occupancy estimation and space utilization in smart ...
Nov 1, 2025 · Occupancy estimation in smart buildings is essential for optimizing resource usage and enhancing operational efficiency. Existing estimation methods p…
Mechanical and thermal properties of polyisocyanurate rigid …
Dec 1, 2023 · Alternatives to polymer reinforcement, adding value to agro-industrial byproducts, are emerging to develop sustainable materials and cost-effective in…
Bifurcation analysis and control in a second-order DC–AC inverter …
Jun 1, 2025 · The evolution of complex dynamics in the second-order inverter with quasi-proportional integral resonance (PIR) controller is analyzed detailly in thi…
piR-hsa-35410 promotes triple-negative breast cancer progression …
Dec 1, 2025 · PIWI-interacting RNAs (piRNAs) have been reported to be closely associated with the development and progression of various cancers. However, the role …
CD40 induces PIR-A+ macrophages to promote chronic allograft …
Mar 26, 2025 · Chronic rejection is the leading cause of progressive allograft function decline. Studies have demonstrated that CD40-CD40L-induced paired immunoglobu…