mmWave Radar | 赤外線センサー | 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 |
浸透能力 | 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, 霧, rain |
安定性 | Stable and reliable | Detection range decreases over time | Heavily affected by environment | Relatively stable | Relatively stable |
検出範囲 | 0–100 meters | まで 10 メートル | Depends on optical lens | まで 5 メートル | 0–150 meters |
料金 | Moderate | Relatively low | Relatively high | Relatively low | 高い |
Radar is a broad term for systems that use radio waves to detect objects and measure their distance, スピード, and direction. Millimeter wave (ミリ波) radar is a type of radar that operates specifically in the millimeter-wave frequency band, 通常 30 ghzと 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, compact size, 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.
はい, 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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