There are many kinds of GPS satellite receivers, which can be divided into
geodesic, total station, timing, handheld and integrated types according to
their models; It can be divided into vehicle mounted, ship mounted, airborne,
satellite mounted and missile mounted according to its use.
After more than 20 years of practice, it has been proved that the GPS
system is a high-precision, all-weather and global radio navigation, positioning
and timing multi-function system. GPS technology has developed into an
international high-tech industry with multiple fields, modes, purposes and
models.
When a GPS positioning terminal is made of hardware and software for
vehicle positioning, it is called on-board GPS, but positioning alone is not
enough. We also need to transmit the positioning information to the alarm center
or the vehicle GPS holder, which is called the third party. Therefore, the GPS
positioning system also includes GSM network communication (mobile phone
communication), which sends the satellite positioning information to the third
party by SMS. The short message message is interpreted by the microcomputer, and
the vehicle position is displayed on the electronic map. In this way, vehicle
GPS positioning is realized. At the same time, install the corresponding
detection sensor on the vehicle, and use the GSM network communication function
of vehicle GPS positioning to send the anti-theft alarm information to a third
party, or send the alarm phone and short message directly to the owner's mobile
phone to complete the vehicle GPS anti-theft alarm. It can be seen here that the
GSM network part of vehicle GPS positioning is actually a smart phone, which can
communicate with a third party, and can also send information such as the
vehicle being robbed, the driver being hijacked, or kidnapped to a third party.
Therefore, vehicle GPS positioning is positioning, anti-theft and
anti-theft.
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Global Navigation Satellite System
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