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1. 
   Frequency dependence of complex permittivity of thick samples tested with an end-loaded cylindrical resonant cavity

   Article • Review of Scientific Instruments, July 2025, American Institute of Physics

   chengyong yu

2. 
   Test technique for arbitrary length high dielectric sheet materials based on perturbation method

   Article • Review of Scientific Instruments, April 2023, American Institute of Physics

   chengyong yu

3. 
   Broadband complex permittivity measurements of nematic liquid crystals based on cavity perturbation method

   Article • Liquid Crystals, June 2019, Taylor & Francis

   chengyong yu

4. 
   measurement technology of complex permittivity of Small Samples in a broadband

   Article • Electronics Letters, August 2017, the Institution of Engineering and Technology (the IET)

   chengyong yu