The influences of the optical system focal shift and the detection laser beam parameters on the echo of cat-eye optical system are studied.

研究光学系统离焦量和探测激光束参数对猫眼光学系统回波强度的影响。

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Another use of laser detection is for telling temperature.

激光探测的另外一个用处是用来测量温度。

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Okay, so while we're dreaming, how about adding some laser detection technology into the iPhone 5?

好了，让我们想象一下，给iPhone 5加上一些激光探测技术会怎么样呢？

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These include GPS, stereo cameras, radar and Light Detection and Ranging (LIDAR) laser tracking.

ENGADGET: Lexus' autonomous Advanced Active Safety Research Vehicle and why we're not ready for self-driving cars

The approach du jour for most researchers is something known as Light Detection and Ranging ( LIDAR) -- a laser-based technology capable of creating precise maps over relatively large areas.

ENGADGET: Microsoft Kinect used to map asteroids, glaciers, other scary things

Government plans to bolster detection and mitigation capabilities include an infrared sensor that would orbit Venus, as well as a laser system or other method to deflect any threatening meteor away from Earth, they said.

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