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1. Sensor technology Sensing technology, together with computer technology and communication technology, is called the three major technologies of information technology. From the perspective of bionics, if the computer is regarded as the "brain" that processes and identifies information, and the communication system is regarded as the "neural system" that transmits information, then the sensor is the "sensory organ." Micro wireless sensor technology and sensor network with this component are important technical means of the Internet of Things perception layer.
2. Radio Frequency Identification (RFID) Technology Radio Frequency Identification (RFID) is a wireless communication technology that identifies specific targets and reads and writes related data through radio signals. In China, RFID has been widely used in the fields of ID cards, electronic toll collection systems and logistics management.
The RFID technology market is mature and the label cost is low. However, RFID generally does not have the data collection function. It is used for the identification of items and the storage of attributes, and is limited in applications in metal and liquid environments. RFID technology belongs to the information acquisition layer of the Internet of Things. technology.
3. Micro Electro Mechanical Systems (MEMS)
Microelectromechanical system refers to a micro-electromechanical system that integrates micro-sensors, actuators, signal processing and control circuits, interface circuits, communication and power supplies through micro-scale processing using large-scale integrated circuit manufacturing processes. MEMS technology belongs to the information acquisition layer technology of the Internet of Things.
4. GPS technology GPS technology, also known as global positioning system, is a new generation satellite navigation and positioning system with all-round real-time three-dimensional navigation and positioning capabilities of sea, land and air. As a mobile sensing technology, GPS is an important technology for the Internet of Things to extend the information of moving objects to collect moving objects. It is also an important technology for intelligent logistics and intelligent transportation.
What technology is needed for the Internet of Things to fully realize?
The sensing layer of core technology: sensor technology, radio frequency identification technology, two-dimensional code technology, MEMS