What is the principle of electronic dog work? What is the principle of radar speed ah?
Some car navigation or car electronic dog, you can detect a variety of radar on the road probe, you can distinguish the radar test or test speed, but also know how much speed, such as Cobra electronic dog.
Prompt your speed and the front of the camera
Car electronic dog works is to rely on the installation of electronic dog in the car detection radar tachometer, electronic dogs can detect a certain distance around the radar gun, when the car near the radar gun, the electronic dog will issue a warning. In fact, the electronic dog is mainly the use of satellite positioning and radar detection and other high-tech means for mobile speed devices to prompt, as well as fixed red light to take pictures of electronic eyes in advance broadcast, guide the owners safe and comfortable driving. Can also have a fixed speed and mobile speed function of the electronic dog (such as the Guangzhou Shanxing agent of the United States Cobra electronic dog), is the real electronic dog.
First by the staff with GPS positioning machine, in the country, the collection of fixed electronic eye coordinates, and then made into electronic dog data, enter the electronic dog machine, the road speed point or illegal camera point and road speed limit information Integrated on the map, through the sections of the time will be prompted. Electronic dog itself with a GPS positioning chip, you can calculate the car's speed and direction of travel, when the vehicle travel to a fixed point speed will be issued in advance warning. If the speed, electronic dog will voice broadcast "you have speed".