Many people are interested to use car navigation system in their
vehicle and it is used to locate particular location or destination
for the users. This would be more helpful if the user is new to the
city. This type of car navigation system will receive the signals
from the satellite and identify the position of vehicle in a better
way. The directions will be directed to the people with the help of
combination of both data and information collected from various
sensors. Such receiving of signals and detecting the location of
vehicle will be obtained by global positioning system antenna and
global positioning system receiver as well. The direction of the
vehicle will be done with the help of its direction sensor in the
car. There will be car navigation system screen in the display of car
which would identify location of the destination in a better way.
Uses Of Databases
In GPS System:
We need to map the database of locations collected in it and then we need to check the information which is collected from antenna and sensors. That information will be again mapped with database and will provide results on display of the car with the help of its car navigation system. Sensors used in the devices are direction and speed sensor. The mapping database is accessed with the help of SD card, HDD, DVD and CD ROM. In autoradio gps ford kuga, the car navigation system will be using four different databases in order to decide route for the driver by calculating distance between current location of the car and direction of the car. Those databases that are used for this process are: road network data, voice data, site information data, and background data. The background data contains information about rivers, railroads, and contours. The site information contains information like name of the building and its addresses.