| Summary: | 碩士 === 中原大學 === 電子工程學系 === 81 === In this paper, we try to design and implement a new idea on one
frequency multiplexing system. In order to solve the problem
that happened in tranditional method, the N frequencies
multiplexing system. Such system is hard to get an optimum
working frequency, complicated in controlling the phase shift,
difficult in getting really good match on circuit, and it
is also quite expensive. We got this idea from the concept of
the phase shift. We only need to adjust the phase shift from
the outside circuit, then will it be satisfactory to the
requirements of the system. Because of working only one
frequency, the system will be performed by an excellent
response and high sensitivity; it is also very cost
effective. According to experimental results, it will be very
promising in the multiplexing detection system.
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