Elite

The model he proposed is based on a device that transmits radio waves This device is with the firefighter all the time and carries it wherever he goes. It sends a signal every second. At the other end of the model, there is an unmanned aerial vehicle that is specially configured and built to receive signals from the device carried by the firefighter. This plane will fly to an altitude of 300 meters or more if necessary, and this will enable the plane to pick up signals very easily, and then the location of the firefighter can be located with great accuracy even if he is under the rubble. For the radio waves that the device sends, it is suggested to use two types of waves, according to their frequency The first is the use of waves of very low frequency, and this enables the receiving device to locate the firefighter even if he is inside a building because it is known about this frequency that it is used in wireless communications and can penetrate walls, concrete barriers and buildings, and we will be able to locate the man to be rescued or identify the building in which he is The second is the use of higher frequency waves so that the receiving device can determine the location with greater accuracy with a meter or two accuracy. Or it is possible to replace the waves that are in point number two by replacing them with ultrasound waves that humans do not hear, but it is possible to receive them with special devices for that hypothetical scenario The alarm rang that there was a case of a firefighter who was trapped inside a building due to the collapse of part of the building The plane takes off to the place where the firefighter is supposed to go, but After the plane has identified the building or residential square in which the firefighter is located Here comes the role of short-range, medium-range, or ultrasound waves in locating the firefighter with an accuracy of one meter.

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