There is not enough GPS system alone. It can only receive data sent by GPS
satellites. Calculate the user's three -dimensional position, direction, and
motion speed and time information. There is no path computing power. The GPS
receiving device in the user's hands requires a complete set of car navigation
systems including hardware equipment, electronic maps, and navigation
software.
GPS navigator hardware includes chips, antennas, processors, memory,
screens, keys, speakers and other components. However, from the current
situation, the gap between the GPS car navigator in the market is not large. The
main difference is concentrated on the built -in software and maps. Here you
need to remind everyone to pay attention to what kind of map pre -installed in
the navigator is used to be used to it. In fact, this is to confuse the
difference between the map and the software. The so -called map is actually just
data, and the software is a search engine. How does the huge data integrated in
the map of the map are applied by users? How can we reflect in the navigation
interface? This must be achieved with the help of software. Therefore, the
navigation map cannot be separated from the support of the software. In turn, no
matter how good the software system is, if there is no detailed map data, it is
busty.
To sum up, a complete GPS car navigator is composed of chip, antenna,
processor, memory, display, speakers, keys, buttons, expansion function slots,
electronic maps, navigation software.
To judge the pros and cons of GPS navigator, the number of GPS satellites
and path planning capabilities that the navigator can receive is the key. The
more effective satellites that the navigator can receive, the stronger the
current signal, the more stable the status of the navigation work is. If a
navigator often searches for satellites or frequently interrupted signals during
navigation affects normal navigation work, then the quality is not to pass the
quality and it is not good.
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