With the advent of the new technological revolution, the world is beginning to enter the information age. In the process of using information, the first thing to address is to obtain accurate and reliable information, and sensors are the main way and means of obtaining information in the natural and production areas.
In order to obtain information from the outside world, people have to use their sensory organs. The sensory organs of people alone are not sufficient for the study of natural phenomena and patterns and for production activities. To adapt to this situation, sensors are needed. Therefore, it can be said that sensors are an extension of the five human senses, also known as the five electrical senses.
In modern industrial production, especially in automated production processes, various sensors are used to monitor and control the various parameters of the production process so that the equipment works in a normal or optimal state and the products achieve the best quality. Therefore, it can be said that without a large number of excellent sensors, modern production has lost its basis.
In basic discipline research, sensors have a more prominent position. The development of modern science and technology has led to many new fields, in addition to various extreme technologies that play an important role in deepening material understanding and developing new energy and materials, such as ultra-high temperature, ultra-low temperature, ultra-high pressure, etc.. Obviously, to obtain a large amount of information that is not directly accessible to the human senses, it is not possible without the appropriate sensors.
Many obstacles to basic scientific research lie above all in the difficulty of obtaining information about objects, and the emergence of new mechanisms and highly sensitive detection sensors often leads to breakthroughs in this field. The development of some sensors is often a precursor to the development of some marginal disciplines.
The important role of sensor technology in developing economies and promoting social progress is thus clear. Countries all over the world attach great importance to the development of this field. It is believed that in the near future, sensor technology will take a leap forward and reach a new level commensurate with its importance.
Sensors have long penetrated such as industrial production, cosmic development, marine exploration, environmental protection, resource investigation, medical diagnosis, biological engineering, and even the protection of cultural relics and other extremely wide range of fields. It is no exaggeration to say that from the vast space, to the vast oceans, as well as a variety of complex engineering systems, almost every modern project, are inseparable from a variety of sensors.
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