Wireless and Satellite Communications

Sensor Technology

A sensor is a device, module, machine, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics, frequently a computer processor. All types of sensors can be basically classified into analogue and digital sensors. Nowadays, various sensor-based technologies have been adopted for construction safety management, including locating sensor-based technologies, vision-based sensing, and wireless sensor networks. Some advantages of sensors: It can detect through some containers, it can detect non-metallic targets. It senses all materials. Some of the drawbacks are: very sensitive to extreme environmental changes; sensitive to temperature changes as well.