Surveying and mapping new technology in the construction of smart cities?

Modern society, with the proposal of the smart city, more and more mapping new technology in the construction of the smart city to be applied, relying on modern digital technology, the transmission of information with computer processing, combined with intelligent development path, for urban planning, construction management, service to provide a broad information service platform. Ensure that the smart city construction is efficient, environmentally friendly, scientific and reasonable. The use of new surveying and mapping technology gives full play to the power of modern science and technology, realizes the precise positioning of the city, accurately analyzes the geography and geology, provides reliable solutions for the construction, and creates a better smart city. This paper puts forward a series of concepts of the smart city by describing the main contents of smart city construction, analyzes the important significance of the application of new surveying and mapping technology in the construction of the modern smart city, and finally discusses the new surveying and mapping technology in the Finally, it discusses the specific application of new surveying and mapping technology in the construction of smart city, hoping to provide powerful help to the construction of modern smart city.

Technology is progressing, new Internet technologies are emerging, and the scope of application of information technology such as cloud computing and network applications is becoming more and more extensive. In this regard, relying on new technologies to construct a new concept of urban development is known as the smart city, is currently an important way of urban construction and development, its information system, the way of operation, are implemented in the modern city management, with high efficiency, flexibility, environmental protection, energy saving and other advantages. In the process of building a smart city to carry out surveying and mapping work to apply the new technology of surveying and mapping is the key to carry out the construction project. Now, urban wisdom has become a new concept of urban development, and people have seen the convenience brought by intelligence, and the smart city is increasingly recognized by people. The construction of the smart city is carried out under the mutual cooperation operation based on cloud computing and mobile Internet. Based on other information technologies, it is to some extent an extension and expansion of digital intelligence in urban development, realizing the optimization of modern intelligent systems and the transformation towards a resource-saving city. The construction of smart cities makes urban operation more efficient, low-carbon, convenient and fast. The new technology of surveying and mapping is more widely used in the current surveying and mapping project, which is needed for the construction of the smart city and provides data support for the smart city.

1 Characteristics of the smart city

Smart city = modernization construction + digital city, that is, the Internet and the Internet of Things is carried out under the development of the Internet, the essence of the use of the Internet's modern technology, the essence of the development of the basic material is still inseparable from a variety of technologies combined to achieve the city of intelligent management and operation, to help people realize the idealized city in their hearts, and to promote future Sustainable development of the city. Smart city and the Internet of Things is closely linked, the development of smart cities rely on the development of the Internet, and the development of the Internet of Things is closely related to the Internet, the development of the city can not be separated from the interaction of the Internet of Things and the Internet, and therefore the smart city must be closely linked to the Internet of Things, so as to achieve the balance of materials, so that the city can maintain the development.

2 Main contents of smart city construction

The essence of the smart city is the integration of urban information and then utilize it. With the concept of low carbon and environmental protection, a new type of urban living system is constructed. So as to realize the people-oriented, rational resource utilization, comprehensive and coordinated sustainable development strategy. The main content of the smart city is, in our lives, to facilitate the simplification of intelligent information processing, speed up the pace of life, reflecting the modern life of science and technology, for this reason, we need to know more, to learn how to make themselves in the smart city, enjoy the technology to bring a comfortable life experience. Therefore, we must lay a solid foundation for the intelligentization of spatial information, strengthen the integrated use of network technology (cloud computing technology, sensor technology), to achieve systematic information management, urban intelligence construction, the development of high-quality modern smart city.

3 Importance of applying new mapping technology in the construction of modern smart city

3.1 Provide basic information for the construction of smart city

According to the relevant statistics, we can see that eighty percent of our information is related to the spatial positioning of individuals. Therefore, in the process of building a smart city, measurement is the most basic and important link, and the key information of measurement is the main content that constitutes the geographic location report. The relevant data provided by the measurement under intelligent information processing provides the main theoretical framework for the construction of the smart city. Due to the proliferation of modern high technology, the latest data measurement and processing system based on cloud computers and Internet of Things has become the basis for the construction of the smart city building.

3.2 Providing Perception Information for Smart City Construction

In the new era of rapid development of modern science and technology in the context of the new geographic information acquisition technology based on digital aerial photography, low altitude photogrammetry systems, tilt photography technology, high resolution satellite remote sensing applications as a representative of the new geographic information collection technology, has been heavily utilized in the construction of the smart city. Image acquisition, which can control the smart city with high precision, creates conditions for urban geographic information visualization technology. At the same time can be compared to the mapping information, more accurate prediction of changes in urban development.

3.3 is the application of smart city construction support

Using the new technology of security mapping information system, for the construction of the city to provide a wealth of data to ensure that by electronic information mapping gradually replace the modern traditional mapping technology. Especially in the establishment of the global positioning system, with higher precision and greater flexibility for remote sensing technology provides more data sources. The spatial capability analysis of geographic information systems and the intertwined use of virtual reality are further strengthened. The organic combination of surveying and mapping information technology and global positioning system, as a smart city application support, can quickly provide more accurate spatial information processing and huge environmental update technology system.

3.4 Improve the intelligent degree of smart city construction

Geographic information obtained through the new technology of surveying and mapping of visual features, more intuitive display of the distribution of urban information spatial perception and any abnormal changes; map plane of geographic information spatial analysis module combined with intuitive and specific industry analysis model, in the spatial dimension to show the pattern of change, distribution and development of the law more accurately, timely to provide analysis results that are compatible with the spatial location of the city. In addition, the integration of Internet technology and data mining technology with spatial data helps to improve the discovery, extraction and spatial smart city construction from a variety of information.

4 Mapping new technology in the construction of smart city specific applications

The development of smart city needs the support of new technology, science and technology in the development of the same time also led to the comprehensive development of new mapping technology. In the construction of the smart city, we need to play the advantages of the new technology of the surveying and mapping industry to obtain comprehensive space-time data resources in a timely manner. Provide the necessary technical guarantee services for other construction projects. First of all, combine the advantages of cloud computing, comprehensively utilize the Internet and the Internet of Things, and adopt the latest information technology to survey and photograph maps and so on. Plane shooting mapping technology has a wide range of application prospects in promoting the construction of intelligent special system of the city, accelerate the city's economy and culture, environmental coordination and sustainable development.

4.1 Construction of spatio-temporal information cloud platform

The first point is that we need to establish an information *** enjoy and realize the resource *** birth system, anytime and anywhere can share geographic information, the implementation of information visualization, address matching and environmental coordination. In order to meet the requirements of urban intelligent development, it is necessary to build a spatial and temporal information cloud platform based on big data. Having a complete spatial information storage and application platform can play a greater role in the modeling, storage and processing of geographic information systems, the use of cloud computing, and the implementation of cloud platforms. Various location-related applications to the smart city are based on the spatio-temporal information cloud platform as a support, providing services such as positioning, smart city data processing spatio-temporal information cloud platform construction processing and analysis, realizing the data *** enjoyment, exchange, integration and access to information, data collection, editing, storage and integration of operations release, provide public *** service data of various departments of the city to fully coordinate the management of the city services, integration of various types of information resources, in different effective coordination of the operation of the urban security sector, to provide scientific and rational planning for the construction and development of the city.

4.2 Provision of spatial data

4.2.1 Digital Aerial Digital Photography With the development of CCD sensor technology, China has also gradually developed with independent intellectual property rights of aerial digital camera TOPdc, Swdc, and so on, and carried out a number of scientific research tests. The direction of the sensor of the line array, the representative product has AdS40; the other is based on the direction of the sensor of the surface array, the representative product has dMc, ucd and so on. Aerial digital sensors have become the main equipment of China's high-resolution image acquisition, but also the key to build a large-scale digital ground model of urban intelligence, on the digital orthophoto and DLG digital elevation model of the main source of data.

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