精选优质文档-倾情为你奉上Laser rangefinder A long range laser rangefinder is capable of measuring distance up to 20 km; mounted on a tripod with an angular mount. The resulting system also provides and measurements. A laser rangefinder is a device which uses a beam to determine the to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in a narrow beam towards the object and measuring the taken by the pulse to be reflected
