A Complete Collection of 100000 Whys
Fav十万个为什么
为什么自动门能感应人体？
简单的摘要：自动门能感应人体主要是通过红外感应、微波雷达以及图像识别技术。
1、红外感应器通过发射和接收红外线来检测人体或物体的接近，当人体靠近时，红外线被反射或阻断，触发开门信号。
2、微波雷达利用微波的多普勒效应检测物体的移动，当人体靠近时，微波反射信号发生变化，从而感应到人体并触发开门。
3、部分高端自动门还配备图像识别技术，通过摄像头捕捉和识别人体，确保更精准的感应和开门控制。
1. This tool has compiled a vast collection of questions and answers to help answer your everyday queries.
2. Simply enter the keywords for your search directly into the input box above.
3. The data in this tool is collected from the internet; if you find any errors, please report them to us so we can correct them.
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