Test
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Team members
Idea
The aim of the project is to investigate the mechanism behind RFID technology that we may or may not have taken for granted.
Background
Radio-frequency (RF) is a part of the electromagnetic spectrum typically in the range from 10kHz to 300GHz. RF technology is an integral part of our everyday lives. Common examples include phone signals, radio broadcast, ID cards used for various public transport and access control (RFID), various forms of wireless payments including NFCs. In the case of RFIDs, there is usually an emitter and receiver. The emitter emits a wave
Setup
The experimental setup will aim to emulate and emitter and receiver, similar to a typical scenario in RFID systems. On the emitter side, the loop of wire is connected to a function generator (model) while the receiver side is connected to the oscilloscope (model). A gap is left between the emitter and receiver to put in a 'shield' to observe the resulting attentuation on the receiver.
Measurements
-Attentuation for various freq and Shield thickness -Attentuation for various freq and Shield size -