Traditional Culture Encyclopedia - Photography and portraiture - What does rtk mean?
What does rtk mean?
RTK (real-time dynamic) real-time dynamic difference method. This is a new commonly used GPS measurement method. The previous static, fast static and dynamic measurements all need to be solved afterwards to obtain centimeter-level accuracy, while RTK is a measurement method that can obtain centimeter-level positioning accuracy in real time in the field. It adopts carrier phase dynamic real-time difference method, which is a major milestone in GPS application. Its appearance has brought new dawn to engineering lofting, topographic mapping and various control surveys, and greatly improved the efficiency of field work. 1 and double-star system (GPS+GLONASS dual-system navigation and positioning) are the hot spots in the development of GPS RTK. It can receive about 14-20 satellites, which is incomparable to conventional RTK. This technology enables GPS equipment to achieve centimeter-level accuracy in the shortest time, and has the strongest anti-interference and shielding ability. 2. Virtual reference station improves the quality and distance of RTK positioning, enhances the reliability of RTK and reduces the initialization time of OTF. VRS technology can make RTK positioning plane position accuracy reach 1-2 cm in about 50Km, without establishing its own reference station. Its application fields will gradually cover land survey, cadastral survey, aerial photogrammetry, GIS, equipment control, electronics and gas pipelines, deformation monitoring, precision agriculture, water conservancy survey, environmental application and many other fields. VRS is the operation mode of network RTK proposed by Tianbao, and now 90% of network RTK in the world uses VRS. 3. The satellite navigation application industry represented by GPS has become one of the eight wireless industries recognized internationally and one of the three fastest-growing information industries in the world (mobile cellular /PCS, Internet/Intranet/Extranet and GPS). The integration and fusion of GPS with computer, communication, GIS, RS and other technologies will certainly broaden the application field of GPS technology. Major manufacturers of GPS measurement in China, such as Guangzhou Zhonghaida Surveying and Mapping Instrument Co., Ltd. and south surveying and mapping; Foreign countries such as Tianbao, Leica, Topcon, etc.
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