Ship ocean navigation and water entry into Hong Kong
Guidance and entry of aircraft routes
Autonomous navigation
Ground vehicle tracking and urban intelligent traffic management
Emergency life
Personal tourism and field adventure
Personal communication terminal (integrated with mobile phones, PDA,
electronic maps, etc.)
The time of electricity, post and telecommunications, communication and
other networks synchronize
Expert time granting
Expert in accurate frequency
All levels of earth measurement, control measurement
Putting the road and various routes
Underwater terrain measurement
Charter variable measurement, dam and large buildings deformation
monitoring
GIS application
Construction machinery (tire crane, bulldozer, etc.) control
Fine agriculture
The application of GPS in road engineering
The application of GPS in road engineering is mainly used to establish
various road engineering control networks and determine air measurement external
control points. With the rapid development of high -level highways, higher
requirements have been put forward on survey technology. Due to the length of
the lines, it is known that there are fewer points. Therefore, it is not only
difficult to use conventional measurement methods, but also difficult to meet
high -precision requirements. Today, the domestic GPS technology has gradually
established a high -precision control network of the first level of the line,
and then the wire encryption is set by a conventional method. Practice has
proved that the point error within dozens of kilometers is only about 2 cm,
which has reached accuracy that is difficult to achieve in conventional methods,
and at the same time, it also greatly advances the construction period. GPS
technology is also applied to the control measurement of super bridge. Because
there is no need to conduct vision, it can constitute a strong mesh, improve the
accuracy of the point, and at the same time is also very effective for detecting
the fulcrum of conventional measurement. GPS technology also has a wide range of
application prospects in tunnel measurement. GPS measurement does not need to be
integrated, reducing the intermediate link of conventional methods. Therefore,
it is fast and accurate and has obvious economic and social benefits.
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Language
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