mmWave Radar | Infrared Sensor | Camera | Ultrasonic Radar | LiDAR | |
Sensing Mechanism | Electromagnetic waves | Infrared radiation | Visible light | Ultrasonic waves | Laser beams |
Impact of Ambient Temperature | Unaffected | Affected above 40°C | Unaffected | Unaffected | Unaffected |
Keupayaan penembusan | Can penetrate non-metal objects | No penetration capability | No penetration capability | No penetration capability | Limited penetration capability |
Applicable Environment | Any environment | Unsuitable for smoky or high-temp environments | Requires good lighting | Any environment | Reduced performance in dust, kabut, rain |
Kestabilan | Stable and reliable | Detection range decreases over time | Heavily affected by environment | Relatively stable | Relatively stable |
Detection Range | 0–100 meters | Sehingga 10 meter | Depends on optical lens | Sehingga 5 meter | 0–150 meters |
Kos | Moderate | Relatively low | Relatively high | Relatively low | tinggi |
Radar is a broad term for systems that use radio waves to detect objects and measure their distance, kelajuan, and direction. Millimeter wave (mmWave) radar is a type of radar that operates specifically in the millimeter-wave frequency band, typically between 30 GHz and 300 GHz, offering higher resolution and accuracy due to shorter wavelengths.
The detection range of mmWave radar sensors varies based on their design and application.
Millimeter wave radar offers high resolution, saiz padat, robust performance in harsh conditions, privacy protection by avoiding image capture, and non-contact sensing ideal for smart offices and smart hotels.
Despite their advantages, mmWave radars are limited by their need for line-of-sight, reduced performance in rain, and weaker object classification compared to optical sensors.
ya, mmWave radar is valuable for applications requiring precise, non-contact sensing in various environmental conditions. Its ability to provide accurate measurements without compromising privacy makes it suitable for occupancy detection, space optimization, security control, and smart home devices.
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