工作原理 ：

　　working principle:

　　紅外感應(yīng)利用紅外線反射率的不同來(lái)檢測(cè)物體。

　　Infrared sensing uses the difference in infrared reflectivity to detect objects.

　　雷達(dá)感應(yīng)利用電磁波反射率的不同，通?；诙嗥绽招?yīng)原理。

　　Radar induction utilizes the different reflectivity of electromagnetic waves, usually based on the principle of Doppler effect.

　　檢測(cè)距離 ：

　　Detection distance:

　　紅外感應(yīng)的檢測(cè)距離通常較短，一般不超過(guò)幾米。

　　The detection distance of infrared sensing is usually short, generally not exceeding a few meters.

　　雷達(dá)感應(yīng)的檢測(cè)距離可以達(dá)到數(shù)十米甚至上百米。

　　The detection distance of radar induction can reach tens or even hundreds of meters.

　　適用場(chǎng)景 ：

　　Applicable scenarios:

　　紅外感應(yīng)適用于室內(nèi)環(huán)境，如自動(dòng)門、照明系統(tǒng)等。

　　Infrared sensing is suitable for indoor environments such as automatic doors, lighting systems, etc.

　　雷達(dá)感應(yīng)適用于室外環(huán)境，如車輛識(shí)別、飛行雷達(dá)等。

　　Radar sensing is suitable for outdoor environments, such as vehicle recognition, flight radar, etc.

　　感應(yīng)靈敏度和環(huán)境因素 ：

　　Sensitivity and environmental factors:

　　雷達(dá)感應(yīng)比紅外感應(yīng)更加靈敏，可以實(shí)現(xiàn)全方位感應(yīng)，并且感應(yīng)效果不受溫度、亮度、濕度和光線波動(dòng)等環(huán)境影響。

　　Radar sensing is more sensitive than infrared sensing, and can achieve all-round sensing. The sensing effect is not affected by environmental factors such as temperature, brightness, humidity, and light fluctuations.

　　紅外感應(yīng)容易受到熱源光源的干擾，在環(huán)境溫度接近人體溫度時(shí)，探測(cè)和靈敏度會(huì)下降。

　　Infrared sensing is susceptible to interference from heat and light sources, and its detection and sensitivity will decrease when the ambient temperature approaches human body temperature.

　　對(duì)人體狀態(tài)的感知 ：

　　Perception of human body state:

　　雷達(dá)感應(yīng)可以檢測(cè)到人體靜止和微動(dòng)狀態(tài)。

　　Radar sensing can detect the stationary and micro motion states of the human body.

　　紅外感應(yīng)通常不能檢測(cè)到人體的微動(dòng)，主要通過(guò)接收人體發(fā)出的紅外輻射來(lái)觸發(fā)。

　　Infrared sensing usually cannot detect micro movements of the human body, and is mainly triggered by receiving infrared radiation emitted by the human body.

　　其他特性 ：

　　Other features:

　　雷達(dá)感應(yīng)可以測(cè)量高速物體，對(duì)揮桿的測(cè)量較精準(zhǔn)，適用于長(zhǎng)距離探測(cè)。

　　Radar sensing can measure high-speed objects and is more accurate in measuring swings, making it suitable for long-distance detection.

　　紅外感應(yīng)適用于短距離物體探測(cè)，如夜視系統(tǒng)和紅外成像系統(tǒng)。

　　Infrared sensing is suitable for short-range object detection, such as night vision systems and infrared imaging systems.

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