pir 中文意思是什麼
pir
解釋
（辟爾）導師-
As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元，包括模擬信號處理（含模數介面模塊）和數字信號處理兩大模塊，完整實現對紅外信號的接收、放大、處理、控制，產生有效數字電平驅動繼電器、可控硅等負載，應用於自動燈等多種場合。 -
According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。 -
The relative difference between values of dry density measured by wave velocity method and pir replacement method is in the range of 1 %
根據相關方程由實測波速推測壓實干密度值，相對試坑置換法的實測值，誤差在1 %范圍內。 -
Old technology : based on pir motion sensor
傳統技術：基於pir運動傳感器。 -
Within all these years, shanghai yucheng industrial co., ltd has accumulated a lot of professional experiences and technology in manufacturing the pir sensors. with our company ' s target in " quality no. 1, faith no. 1 and service no. 1 ", we sincerely hope we canco - operate with all of you all over the world
上海育誠實業有限公司積累了多年專業生產紅外傳感器的經驗和雄厚的技術力量，本著以「質量第一、信譽第一、服務第一」為宗旨，願與各界朋友共創美好和舒適的未來。 -
Seraphim engineering co., electronic component distributor solution provider - sensor - pir sensor interface ic
幸賀股份有限公司，電子零件經銷解決方案提供. -感應器系列- sensor ic -
Seraphim engineering co., electronic component distributor solution provider - digital home - pir sensor interface ic
幸賀股份有限公司，電子零件經銷解決方案提供. -手機- sensor ic
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