1. connect the signal level. Used in telecommunications between one point one point to the next, such as long-distance telephone calls. 2. the system over microwave communications system that uses the atmosphere wrapped the world. Assist in the troposphere layer reflection and refraction microwave frequencies, to reach the destination.3. the satellite is floating above the counter station signals over 30000 km, surface of the Earth by using satellite serves as a signal to proceed against the use of this system, stations can make communication very far away.4. the radar system. This system is used in the detection of foreign objects by sending out waves, microwaves. In a narrow sense, to affect objects that are far away. 5. Microwave System. This system is sending waves microwaves that have a narrow space that is in place with the metal. This is a reflection of waves, microwaves, the microwaves cause waves of metal scattered space that can be used in cooking.
การแปล กรุณารอสักครู่..