1
What is?
, also known as electronic dog driving safety warning device, a vehicle device, the hardware and software systems, including radar, GPS positioning, the central processor and intelligent speed warning system. Mainly using GPS satellite positioning and radar signal retrieval, exist in advance to remind gun owners of electronic equipment such as eye or radar guns, to prevent speeding and other violations and was fined and penalized. It is divided into ordinary electronic dog, intelligent electronic dog, dogs and other electronic cloud.
2
A common type
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All electronic dog products are collectively referred to anti-gun radar, but the name on the product packaging standards for the safe autopilot or radar warning device. Zhongguancun through the study of such products will be divided into the following types:
full-range
full-range anti-speed radar is accompanied by extensive use of radar guns and a vehicle produced by equipment, radar gun is derived based on the moving speed of the object received reflected wave of the frequency shift amount calculation. (A small number of fixed speed used in this way the) radar guns are widely used in urban traffic, mainly used to measure whether the car speeding, points fixed and mobile are two kinds of fixed mounted bridge or crossroads is usually installed in the patrol flow car.
all-trans-speed radar frequency is close to the driver whether a reminder has Radar equipment installed in the vehicle, by receiving the radar waves can be detected whether the radar gun around within a certain distance. In the course of the exercise in the car, when the car close to the radar gun anti-speed radar warning will be issuedReport, to hear the warning normal deceleration 2,3 seconds with a range of 100-300 m is sufficient. Full-frequency-band radar can receive all signals, the main receiver produced in the mainland rarely, mainly from Taiwan, or imported from the Philippines, South Korea, each manufacturer of radar signal frequency emphasis is different, so it is difficult to determine the specific good or bad.
GPS
world about 80% or more is used in urban speed pressure sensing coils speed mode, the speed of this manner is buried in the road surface on the induction coil, by calculating the vehicle speed calculated by the time the coil. There are a small number of more advanced multi-lane speed continuous shooting mode, these methods are not emit radar gun, the first wide-band radar will not be able to detect this speed electronic eye.
This raises the GPS anti-gun radar, this anti-radar gun does not depend on receiving a radar way to prompt speeding, GPS function works like this: the pre-stored fixed speed or red light camera’s latitude and longitude data (you can updates, they can also be self-built coordinates), by gps positioning, as close to the target point by a predetermined distance when the alarm is triggered. Combined with electronic compass can calculate and display the vehicle speed and the direction of travel, there will be unable to determine the directionality of the problems that can automatically mute when not speeding. These products also contain a lot of information and live traffic information with voice prompts, is a good helper when driving, GPS anti-speed radar gun point is good or bad depends on the amount of data and accuracy, but the flow of such products speed but no effect.
GPS full frequency
GPS anti-speed full-frequency radar combines the first two categories of anti-speed radar function, not only accurate prediction of the fixed radar gun, but also to predict the flow velocity , a comprehensive solution to the shortage of the first two categories of products. Such anti-speed radar can be divided into two types, one is the one-piece, stable performance, installation is relatively simple, the disadvantage is required close to the windshield is placed, a larger volume of the indoor unit. The products on the market more common are: Wei Keda V6, T90, 606 prophet.
Another split is more common, and the radar unit is a wireless coupling between the host vehicle before the vehicle engine under cover, since separate radar and GPS unit, the volume of the indoor unit do smaller, but also no need not be placed close to the windshield,Good for hiding, in favor of anti-theft investigation, but install a little trouble a little, this is not much of a problem, the leaflet should understand how it is, really I do want to find their own car repair can not spend much money.
GPS navigation
The map navigation functions to link up with anti-gun, a machine can achieve. Most navigation map navigation software company is also adding a lot of gun-point data, ordinary GPS navigator also has anti-gun radar functions, from electronic dog point of view, is anti-gun radar GPS navigation. Many manufacturers, the anti-speed navigation and full-frequency radar together, a navigation + + fixed flow triple function.