In the "two sessions" this year, the Internet of Things has become a high-frequency vocabulary. In his government work report, Premier Li explicitly mentioned the Internet of Things and said that it will speed up applications such as the Internet of Things and push new modes of new technologies and industries to promote the production and management of traditional industries And marketing model change. It can be said that Internet of Things technology is now one of the most high-end technologies, but also the key to achieving intelligent reform in many industries.
IoT technology has been able to achieve all things Internet, enabling many areas to achieve precise positioning, remote monitoring, intelligent display and other functions, the main use of the following three key technologies.
1, RFID technology (the use of radio signals perceived monitoring objectives and data records).
It mainly consists of three major components: transponders, readers and application software systems. After the reader detects the signal, the RF signal is emitted by the antenna at a corresponding frequency. The application software system performs information processing after receiving the information frequency signal, and the chip inside the device transmits the stored information and the reader again receives the frequency signal Data analysis and processing, transmission to the background operating system, information and data control.
2, WiFi technology is the foundation of Internet of Things technology.
The WiFi technology undertakes the task of information perception in intelligent applications. The environment and other information collected by the sensor in information perception needs the support of WiFi technology to be able to carry out, and the collected information needs to be exchanged and transmitted to the application analysis level as well. Technology makes it efficient and safe.
3, sensor network technology is the core of Internet of things.
Mainly in the need for information acquisition and transmission of the region will be integrated sensors, data processing units and communication components of the random distribution, the formation of the network structure associated with each other, that is, the sensor network. The number of nodes is relatively large, adaptable in a complex and ever-changing environment. As the core of IoT technology, it plays an important role in the interconnection of things and the exchange and transmission of information.
In the Internet of Things technology, IoT card is used as a carrier. By putting an IoT card in the device to realize identity recognition and service carrying function, many technologies of IoT are realized.
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