Portable vehicle GPS locator with magnets
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Portable vehicle locator with magnets
- Q:At present, the global positioning system (GPS), vehicle positioning accuracy can be increased to less than 3 meters, if so, what is the theoretical basis? If not, what is the reason?
- We use the accuracy of less than 15 meters, the Americans themselves can be very highThe use of GPS positioning, will be affected by a variety of factors. The factors affecting the accuracy of GPS positioning with GPS satellite can be divided into the following four categories:(1) SA from the U.S. government interests, by reducing the precision of broadcast ephemeris (Technology), adding high frequency jitter in GPS reference signal (Technology) and other methods, reduce the ordinary users using GPS navigation and positioning accuracy.(2) the satellite ephemeris error in GPS positioning, calculation of satellite orbit parameters at a time the GPS satellite position required is provided by various types of [7] ephemeris, but irrespective of the type of ephemeris, the calculated satellite location will be its true position difference, this is the so-called ephemeris error.(3) the satellite clock error of satellite clock error is the error between the installation on the GPS satellite atomic clock clock with GPS standard time.(4) satellite signal transmitting antenna phase center deviation satellite signal transmitting antenna phase center deviation is the difference between the nominal phase center and the true phase center of the signal transmitting antenna on the GPS satellite.
- Q:GPS locator what brand is better? What is the most stable platform?
- 1, to say the GPS locator what brand is better, this is too difficult, now on the market GPS brand to innumerable locator, what brand is good, or after their actual use to know.2, while the GPS locator to normal use, or to rely on a powerful query platform, this platform must be stable, and now on the market a lot of small brand platform or third party software to build a platform, or just build, this is not their own R & D team, is to hang a business, so everyone in the choice must see clearly3, take the use of my own, I used an car locator rice technology, quality can also, mainly is the auto search platform, online platform, more practical, most of the function of our appetites, some people to look at the proposal
- Q:Principle of GPS positioning
- GPS (Global Positioning System) is a global positioning system, is the establishment of a satellite navigation system, using the system, users can achieve all-weather, continuous and real-time three-dimensional positioning and velocity measurement in the global scope; in addition, by using this system, users can also make precise positioning and high precision time transfer and high precision.In real life, GPS positioning is mainly used for mobile people, pets, vehicles and equipment for remote real-time positioning and monitoring technology. GPS positioning is a combination of GPS technology, wireless communication technology (GSM/GPRS/CDMA), image processing technology and GIS technology positioning technology, mainly to achieve the following functions:1 tracking and positioningThe monitoring center can monitor the real time position, direction and speed of all the controlled vehicles for 24 hours, in order to grasp the situation of the vehicle in time.2 track playbackMonitoring center can playback at any time within 60 days of the custom period of vehicle travel history, track records. (according to the situation, optional track DVD burning service)
- Q:Expert advice, which GPS locator is better?
- With the P worm personal locator oh! The utility model has the advantages of low electric alarm, artificial shutdown alarm, fence alarm, exit channel alarm, SOS emergency alarm, accurate positioning, long standby time, small head, and only the size of a matchbox!
- Q:GPS locator has a mobile phone card can automatically transmit voice
- Car GPS locator, you can connect a microphone head, so you can listen to the sound around the device! But the device needs to support the listening function, the proposed selection of R & D manufacturers, the latter has technical support!
- Q:If the use of GPS positioning products which brand is good?
- 360 is designed for children. Keys are too small, the old man is not convenient to use. Rather than buy a special for the elderly with GPS locator, such as sharp peaks RF-V16 what the wise.
- Q:I would like to do the electric car GPS locator manufacturers, where can I buy and install star GPS.
- Never heard of this, I installed an et100 car is rice, but also to see others this installation
- Q:For a free installation of GPS car locator?
- In addition to the pre installed G book or Jetion car really want to install a GPS car locator to receive a total transmitter GPS bar
- Q:Ask you where to buy the forum of the friends of the shop where to buy GPS locator good? To genuine, to a place?
- 3, cross-border alarm: under the state of defense, the vehicle moves beyond the set range, will trigger the alarm. Alarm information automatically sent to the monitoring center and the owner of the phone. 4, online search car: positioning, monitoring, historical trajectory query, marking locations and other operations, providing the latest electronic maps, GOOGLE maps, three-dimensional satellite map. 5, web alarm: overspeed alarm, regional alarm, web pop-up alarm tips. 6, data statistics: speeding statistics, mileage statistics, speed statistics, alarm statistics. 7, cut off the oil: SMS control car oil circuit. (this feature is not recommended)
- Q:Which satellite positioning system is used on Baidu maps?
- Baidu maps do not have their own satellite positioning system. GPS satellite positioning system.
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Portable vehicle GPS locator with magnets
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
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