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What are the technical characteristics of lidar sensor

  • Categories:INDUSTRY NEWS
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  • Time of issue:2021-06-10 16:11
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(Summary description)Nowadays, with the rapid improvement of technological level, the technology of lidar sensor has been continuously developed and upgraded.

What are the technical characteristics of lidar sensor

(Summary description)Nowadays, with the rapid improvement of technological level, the technology of lidar sensor has been continuously developed and upgraded.

  • Categories:INDUSTRY NEWS
  • Author:
  • Origin:
  • Time of issue:2021-06-10 16:11
  • Views:
Information

Nowadays, with the rapid improvement of technological level, the technology of lidar sensor has been continuously developed and upgraded. With the advent of the era of artificial intelligence, lidar sensors have also been widely used in high-tech fields such as autonomous driving, robots, security monitoring, drones, map surveying, Internet of Things, smart cities, etc.

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The traditional radar is a radar that uses electromagnetic waves in the microwave and millimeter wave bands as the carrier. lidar sensor
The laser is used as the carrier, and the amplitude, frequency and phase can be used to carry information as the carrier. Therefore, lidar sensor has the following advantages over microwave and millimeter wave:
1. Very high resolution
The lidar sensor works in the optical band, and the frequency is 2 to 3 orders of magnitude higher than that of microwave. Therefore, compared with microwave radar, lidar sensor has high range resolution, angular resolution and speed resolution;
2. High anti-interference ability
The laser has a short wavelength, can emit a laser beam with a very small divergence angle, has a small multipath effect (no multipath effect like microwave or millimeter wave), and can detect low-altitude or ultra-low-altitude targets;
3. Rich information
The lidar sensor can directly obtain the distance, angle, reflection intensity, speed and other information of the target, and generate a multi-dimensional image of the target;
4. Not affected by light
The lidar sensor is not affected by light, and the laser scanner can perform detection tasks around the clock. It only needs to emit its own laser beam, and obtain target information by detecting the echo signal of the emitted laser beam.

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