介绍了光学测距器的功能和原理。
The principle and function of optical range finder are described.
本文主要介绍了一种简单实用的汽车防撞系统测距器的设计方法。
This paper introduces the design of a kind of simple and practicable vehicle anti-collision range finder.
他们通常在头盔右边有一个潜望镜测距器附件，与曼达洛头盔类似。
They commonly had a periscope rangefinder attachment on the right side of their helmets, similar to Mandalorian helmets.
在旁轴相机上成为标准35mm焦距，因为旁轴相机的测距器可达的最长焦距是135mm（感谢freecloud）。
Became a standard 35mm focal length when rangefinders were the main camera type because it's the longest focal length that is feasible on a rangefinder.
介绍了PIC 16C711的性能和特点，分析了利用超声波测距的原理，给出了应用pic 16 C 711设计汽车倒车测距器的硬件电路和软件设计。
This paper introduces property and feature of PIC16C711, analyses theory of measure distance by ultrasonic wave, gives hardware circuit and software design of range finder for back a car.
介绍了PIC 16C711的性能和特点，分析了利用超声波测距的原理，给出了应用pic 16 C 711设计汽车倒车测距器的硬件电路和软件设计。
This paper introduces property and feature of PIC16C711, analyses theory of measure distance by ultrasonic wave, gives hardware circuit and software design of range finder for back a car.
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