工作原理 ：

　　working principle:

　　紅外感應(yīng)利用紅外線反射率的不同來檢測物體。

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

　　雷達感應(yīng)利用電磁波反射率的不同，通常基于多普勒效應(yīng)原理。

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

　　檢測距離 ：

　　Detection distance:

　　紅外感應(yīng)的檢測距離通常較短，一般不超過幾米。

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

　　雷達感應(yīng)的檢測距離可以達到數(shù)十米甚至上百米。

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

　　適用場景 ：

　　Applicable scenarios:

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

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

　　雷達感應(yīng)適用于室外環(huán)境，如車輛識別、飛行雷達等。

　　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:

　　雷達感應(yīng)比紅外感應(yīng)更加靈敏，可以實現(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，探測和靈敏度會下降。

　　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.

　　對人體狀態(tài)的感知 ：

　　Perception of human body state:

　　雷達感應(yīng)可以檢測到人體靜止和微動狀態(tài)。

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

　　紅外感應(yīng)通常不能檢測到人體的微動，主要通過接收人體發(fā)出的紅外輻射來觸發(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:

　　雷達感應(yīng)可以測量高速物體，對揮桿的測量較精準，適用于長距離探測。

　　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，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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