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Design of probe for NQR/NMR detection

Preeti Hemnani, A. K. Rajarajan, Gopal Joshi, S. V. G. Ravindranath
International Journal of Electrical and Computer Engineering (IJECE) , Volume 10, pp 3468-3475; doi:10.11591/ijece.v10i4.pp3468-3475

Abstract: Nuclear Magnetic Resonance (NMR) is a RF technique that is able to detect any compound by sensing the excited resonance signals from atomic nuclei having non-zero spin. NQR is similar to NMR but the only difference is NMR needs a DC magnetic field and due to this its application in the field is limited. A FPGA based NQR spectrometer is designed using a single FPGA chip to perform the digital tasks required for NQR spectrometer. Design of Probe for NMR/NQR spectrometer is researched. Parallel tuned and series tuned Probes are discussed and simulated.14N NQR from NaNO2 is observed from spectrometer designed with parallel tuned probe.
Keywords: NMR / detection / FPGA / parallel / magnetic / resonance / spectrometer / NQR / Design of Probe

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