Design of a Beat Frequency Oscillator Metal Detector

@article{Jawad2014DesignOA,
  title={Design of a Beat Frequency Oscillator Metal Detector},
  author={Aqeel Mahmood Jawad and Haider Mahmood Jawad and Goh Chin Hock},
  journal={IOSR Journal of Electronics and Communication Engineering},
  year={2014},
  volume={9},
  pages={56-62}
}
This paper discusses the design,construction,and simulation of a beat frequency oscillator metal detector. Over the years, it has become an important issue to limit, the entry of people into certain places with weapons or instruments of harm and destruction.in this paper is a design of an effective means of detecting dangerous weapons made of metal in order to reduce crime rate in the society. It uses the principle of electromagnetic induction and adopts a digital beat frequency technique. The… 

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