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 …

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…

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. …

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 …

Nov 1, 2025 · The integration of electrochemiluminescence (ECL) sensor into microfluidic chip can greatly improve the convenience and reliability in bioanalysis, en…

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 …

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 prolonged …

Dec 1, 2020 · The downregulation of piR-001773 and piR-017184 inhibited tumor growth both in vitro and in vivo. These findings suggested that piR-001773 and piR-017184 played important roles in …

Jan 1, 2021 · Method for long-term mapping of occupancy patterns in open-plan and single office spaces by using passive-infrared (PIR) sensors mounted below desks

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 …