The advantages and disadvantages of microwave induction and infrared induction are as follows:
1) Advantages and disadvantages of microwave induction:
Advantages:
High sensitivity: Microwave sensors have a large detection range and strong detection ability for moving objects. one
Good stability: The microwave sensor has a small impact on ambient light, a wide range of applications, and strong anti-interference ability.
Penetrating obstacles: Microwave sensors can penetrate non-metallic objects and moisture without being affected by light or illusions, and can work in dim environments. two
Anti interference performance: The microwave radar sensor effectively suppresses the interference of high-order harmonics and other clutter, with strong reliability. three
Disadvantages:
Easy to be interfered with: Microwave sensors are susceptible to interference from the surrounding environment, such as buildings and large equipment.
Interference from metal objects and water: The signal is susceptible to interference from metal objects and water, and in special environments such as shower rooms, heavy rain, etc., the detection accuracy may be reduced.
2)The advantages and disadvantages of infrared sensor:
Advantages:
Not sensitive to ambient light intensity: Infrared sensors are not affected by ambient light intensity and are suitable for a wide range of applications.
No interference issue: The infrared sensor will not be affected by surrounding equipment or other buildings.
Detecting the heat distribution and changes of objects: Thermal infrared sensors can quickly detect the heat distribution and changes of objects, and are suitable for many fields, such as industry, medical, security, etc.
Not affected by object materials: Thermal infrared sensors are not affected by object materials and can detect non-metallic objects such as humans, animals, trees, etc.
Disadvantages:
Small detection range: The infrared sensor has a relatively small detection range.
High environmental requirements: Infrared sensors require a clean, odorless, and temperature stable environment.
Affected by environmental temperature and distance from the target object: The detection distance and accuracy of thermal infrared sensors may be reduced due to the influence of environmental temperature and distance from the target object..
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