Title of Surveying and Mapping Academic Papers
1 Discussion on Surveying and Mapping Technology ... Pipeline Engineering
2 ... Research on Surveying and Mapping Technology of Architectural Engineering
3 ... Some tips in engineering surveying and mapping
IV ..... On the Development of Engineering Surveying and Mapping
5 ..... The function of architectural surveying and mapping in architectural engineering.
6 ... Matters needing attention in engineering surveying and mapping
Application of prism-free total station in engineering surveying and mapping
8 ..... Talking about the drawing of points in engineering surveying and mapping.
9 ..... Talking about the steps and methods of surveying and mapping in the construction of large-scale water transfer projects.
Discussion on 10 surveying and mapping method ... bridge engineering
1 1 ... on technical specifications of engineering surveying and mapping
Application of 12 ... programmable calculator in engineering surveying and mapping calculation
13 ... on the application of GPS in engineering surveying and mapping
14 ... Surveying and mapping of underground factory buildings and application of new methods
15 ... Analysis of key and difficult points and solutions of surveying and mapping technology for high-rise building construction
16 ... Revision principle and technical characteristics of "Code for Surveying and Mapping of New Railway Engineering"
17 ... Application of engineering surveying and mapping instruments in deep foundation pit construction.
18 ... on the application of engineering surveying and mapping technology
19 ... holographic achievement table of engineering surveying and mapping control points and its PC? 1500 computer program
Engineering Surveying and Mapping Analysis of Re-survey and Encryption of Plane Control Points in Highway Engineering
Analysis of Common Problems in Surveying and Mapping of 2 1 ... Highway Bridge Construction
22 ... Calculation method of GPS independent coordinate network in engineering surveying and mapping
23 ..... Revision of Technical Specifications for Surveying and Mapping of Urban and Rural Planning and Construction Projects in Guangzhou
24 ... application of sine and cosine theorem in engineering surveying and mapping.
25 ..... Research on the development status and prospect of engineering surveying and mapping technology.
26 ..... Engineering Surveying and Mapping Technology Major in Higher Vocational Colleges? Three posts simultaneously, six-party docking? Discussion on talent training mode
27 ... How to improve the level of engineering surveying and mapping?
28 ..... Exploration on the Curriculum System Reform of Engineering Surveying and Mapping Technology Specialty in Higher Vocational Colleges.
29 ... Precision engineering surveying and mapping instruments and data processing
30 ... coordinate transformation in architectural surveying and mapping
Research on the Application of excel in 3 1 ... Civil Engineering Surveying and Mapping
32 ..... Problems in Surveying and Mapping Management of Water Conservancy Projects and Improvement Measures
33 ... coordinate system transformation and design examples in engineering surveying and mapping
34 ..... Talking about the function and significance of architectural engineering surveying and mapping on engineering quality.
35 ..... Application analysis of new surveying and mapping technology in surveying and mapping engineering.
36 ..... Some working experiences of surveying and mapping in construction engineering.
Discussion on Surveying and Mapping 37 ... Line Engineering Construction
38 ..... Surveying and Mapping and Control of Bridge Construction
Surveying and mapping academic papers
Discussion on GPS surveying and mapping technology in engineering surveying and mapping
Abstract: Since the advent of GPS technology in the last century, its development speed has been extremely rapid, and great progress has been made in engineering construction, national defense, transportation and communication. This paper focuses on its application in engineering surveying and mapping.
Keywords: engineering; global positioning systemgps
1 Introduction
GPS technology was first developed from America, and translated into Chinese is called Global Positioning System. The global positioning system consists of software and hardware respectively. Software developers develop all kinds of second-hand software through computer programming; All kinds of equipment that make up the satellite and the signal receiving equipment on the ground are hardware. With the rapid development of GPS technology, the application scope of GPS technology is getting wider and wider. As an advanced surveying and mapping means and new productivity, it has the good characteristics of all-weather, high precision and automatic surveying and mapping. After years of development, GPS technology has made remarkable achievements in economic construction, transportation construction, national defense construction and social fields. In the field of engineering surveying and mapping, GPS technology has also been widely used.
Characteristics of GPS surveying and mapping technology
Compared with traditional mapping technology, GPS mapping technology has made remarkable progress, and its advantages are shown in the following aspects. For the results of GPS surveying and mapping, its accuracy is higher; The calculation speed is faster when surveying and mapping. It can be done at any time of the day. Moreover, on the basis of traditional surveying and mapping technology, GPS has added some new functions. Combining GPS technology with computer technology can greatly simplify the operation procedures in surveying and mapping, thus reducing the operator's requirements for some professional knowledge and greatly expanding the GPS market.
2. 1 observation rate increased
Since the development of GPS technology, its advantages have made it develop rapidly. With the development of electronic science and technology and software technology, the functions of software are constantly improving. So far, it only takes 15 minutes to accurately locate the static target within 20 kilometers. When the distance between the reference station and each mobile station is in the range of 1.5km, the static relative positioning mapping can be completed in less than 2 minutes.
2.2 More accurate positioning
Through the actual surveying and mapping data, we can know that GPS positioning has higher accuracy than traditional positioning methods. The specific data are as follows: within 5 kilometers, the GPS positioning accuracy is about 6 meters to 10 meters; In the range of 100 to 150 kilometers, the positioning accuracy of GPS is about 7 meters to 10 meters; When the positioning range reaches 1000 km, its accuracy can reach 9 m to 10 m. In the engineering surveying and mapping positioning from 300 meters to 1 500m, if the observation is over1hour, the error of the observation data can be controlled within 1mm, and the accuracy is greatly improved compared with the data measured by the traditional ME-5000 electromagnetic wave range finder.
2.3 simpler operation
Combining GPS mapping technology with other technical means can greatly simplify its operation method, and not only that, but also expand the application scope of GPS. Compared with other surveying and mapping methods, the integration and automation of GSP have been greatly improved. GPS is suitable for surveying and mapping industry, and staff can easily control their work through software system. The software system can avoid the error of manual surveying and mapping, not only reduce the workload of staff, but also greatly improve the accuracy of operation.
Application of GPS Surveying and Mapping Technology in Engineering Surveying and Mapping
In engineering surveying and mapping, real-time dynamic difference method is a commonly used GPS surveying and mapping technology. This method is based on the GPS surveying and mapping method, and is obtained through the improvement of the system. Compared with the original GSP mapping technology, this method has made greater progress in performance. The original data obtained from the original GPS mapping is not very accurate, so it needs corresponding processing to get the required precision data. The real-time dynamic difference method can directly obtain the required data without special data processing in the real-time surveying and mapping process. This further improves the speed of surveying and mapping and plays an important role in the future development of GPS technology. If this method is applied to engineering surveying and mapping, it will certainly expand a new direction for topographic surveying and mapping, engineering lofting and other operations, thus greatly improving the efficiency of surveying and mapping work and the accuracy of surveying and mapping data. In the actual surveying and mapping work, GPS surveying and mapping technology is widely used, and its specific application is mainly in the following aspects:
3. 1 Determination of Geodetic Surveying and Mapping Control Network
At present, the geodetic control network established by conventional technology has been completely replaced by GPS surveying and mapping technology control network. China's geodetic control network adopts the GPS of 199 1 for measurement, and China's basic control network adopts GPS global positioning technology for accurate measurement. Because most geodetic control points in China are thousands of kilometers apart, it is not feasible to use conventional surveying and mapping tools to complete high-precision mapping of remote control points, and the mapping efficiency of conventional surveying and mapping tools is very low. Compared with the mapping of national control network, the mapping points of urban control network are usually only tens of kilometers apart, and urban control network requires high accuracy, wide area and frequent use. Surveying and mapping with conventional surveying and mapping tools will lead to uneven surveying and mapping accuracy and frequent destruction of control points, which will seriously affect the progress of surveying and mapping. GPS has a series of advantages, such as wide surveying and mapping range, high efficiency and high precision, which can easily solve the above problems and make a breakthrough in engineering surveying and mapping.
3.2 Monitoring of engineering deformation
The so-called engineering deformation refers to the displacement of buildings caused by crustal movement in engineering construction. Deformation types can be divided into land engineering deformation, surface subsidence and cofferdam dam deformation. In the four stages of engineering deformation monitoring: datum design, structural strength design, observation period design and monitoring period design, GPS technology plays an extremely important role.
3.3 Application of land topographic mapping
In engineering surveying and mapping, it is a common GPS surveying and mapping technology. Using this method, high-precision positioning can be obtained immediately after outdoor observation, which makes the real-time dynamic difference method play an important role in land topography landform mapping. In the work of land topographic mapping and cadastral mapping, the real-time dynamic difference method is used to accurately determine the boundary point of land ownership. It only takes one operator a few seconds for each measuring point, and then the obtained data is handed over to computer software for operation and processing, and the land topographic map or cadastral map can be obtained by inputting it into GPS system. Because the real-time dynamic difference technology does not need intervisibility between measuring points and requires fewer operators, it greatly improves the efficiency of land topography or cadastral mapping.
3.4 the application of GPS in engineering construction
In the process of urban construction, in order to meet the needs of urban planning, GPS mapping technology can be used. Urban planning has the characteristics of high precision, large control area and frequent use, so it is necessary to strictly divide urban built-up areas and planning areas. Plan the city as a whole, plan the future building construction in advance, reduce its impact on the city bureau and the public environment, and realize the rationalization of urban construction. With the continuous development of economy, the construction of modern cities is getting faster and faster. However, the over-exploitation of urban resources has seriously affected the rational development of the city. Under such circumstances, there is a higher requirement for urban surveying and mapping, and the quality and progress of the project are directly related to the level of surveying and mapping. After the introduction of GPS mapping technology, the speed and accuracy of urban control mapping have been greatly improved. Because GPS can collect data at any time and make appropriate adjustments according to requirements, it has made great progress compared with traditional surveying and mapping methods. Fast speed, high precision, low cost and simple operation are the obvious advantages of GPS, so GPS is the best choice for urban control surveying and mapping at this stage. With the continuous development of new technology, GPS technology will gain greater advantages in this field. At the same time, with the development of GPS technology, urban control mapping will reach a higher level.
In addition to the above functions, GPS technology can also be used for dynamic detection of land. The traditional methods of land dynamic detection are flat supplementary survey and simple supplementary survey. The application of GPS has changed and improved the method of dynamic field detection. Because of the high precision, high speed and high efficiency of GPS, this new mapping method can meet the needs of land dynamic detection at this stage. At the same time, it solves the problems of slow speed and low efficiency of traditional methods, which can greatly improve the detection speed and data accuracy, and save a lot of time and manpower while dynamically monitoring.
4 conclusion
Because of the advantages of GPS in many aspects, it will bring a brand-new revolution to engineering surveying and mapping, and the surveying and mapping technology in all fields will change. Not only the data of engineering surveying and mapping will be more authentic, accurate and reliable, but also the service scope of engineering surveying and mapping will be expanded, which will obviously improve the quality and efficiency of engineering surveying and mapping and become a multi-purpose international high-tech industry. In engineering surveying and mapping, GPS technology has been widely used. With its high precision, high reliability and high automation, GPS has won wide acclaim in the field of engineering surveying and mapping. There is no doubt that GPS technology will dominate the whole field of engineering surveying and mapping in the future. With technological innovation and progress, GPS will expand its broad development space with stronger practicability.
refer to
Chen Xu. Application of GPS technology in engineering surveying and mapping [J]. Science and Technology and Enterprise, 2013,6.
Lin Xinchao. Application analysis of GPS surveying and mapping technology in engineering surveying and mapping [J]. Science and technology wind, 20 12, 1.
Yang Lizhong, Zuo Lixin. Application analysis of GPS technology in engineering surveying and mapping [J]. Science and technology communication, 20 12, 1.
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