Passive and semipassive RFID tags do not use a radio transmitter; instead, they use modulation of the reflected power from the tag antenna. Reflection of radio waves from an object has been a subject ...
What is GMRS? Why do those four letters keep popping up in campfire conversations when discussing off-road communication? What do those four letters mean? Why should you care? To answer those ...
To get the average power for a periodic signal, we add up the total power over a cycle and divide by the cycle time. This gives us a factor of (1/2), the average value of cos 2: Sometimes people ...
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