Teaching and Service Experience

• Current Position: Professor, Department of Electronic Engineering, National Formosa University (2007/08 - Present)
• Past Experiences:
  • Chairman, Department of Electronic Engineering, National Formosa University (2012/08 - 2014/01)
  • Associate Professor, Department of Electronic Engineering, National Formosa University (2005/08 - 2007/07)
  • Associate Professor, Department of Communication Engineering, Oriental Institute of Technology (2001/08 - 2005/07)
  • Associate Professor, Department of Electronic Engineering, Chienkuo Technology University (1994/08 - 2001/07)
  • Engineer, Microwave System Department, Hanwei Optoelectronics Co. (1994/01 - 1994/07)

Expertise

• Microwave Measurement
• Microwave Circuit Design
• Semiconductor Processing

Research Projects

1. Improvement of Accuracy in Microwave Dielectric Properties Measurement Using Distributed Transmission Techniques (2017.8.1 - 2018.10.31)
2. Measurement of Microwave Dielectric Properties of Thin Films Using Cavity Perturbation Technique (2016.8.1 - 2017.7.31)
3. Further Improvement of Microwave Dielectric Properties Measurement Technology Using Mixture Laws (2015.8.1 - 2016.7.31)
4. Further Study on Microwave Dielectric Properties Measurement Using Distributed Transmission Techniques (2014.8.1 - 2015.7.31)
5. Improvement of Microwave Dielectric Properties Measurement Technology Using Mixture Laws (2012.8.1 - 2013.7.31)
6. Study on Microwave Dielectric Properties Measurement Using Reflection Signals (2009.8.1 - 2010.7.31)
7. Microwave Dielectric Properties Measurement - Study and Improvement of Distributed Transmission Techniques (2008.8.1 - 2009.7.31)
8. Study on the Application of Mixture Laws to Microwave Dielectric Properties Measurement (2006.8.1 - 2007.7.31)
9. Study on Measurement Techniques for Low-Loss Microwave Dielectric Properties (2005.8.1 - 2006.7.31)

1. "Network Communication Talent Cultivation Pilot Project" - Electromagnetics Course Promotion Project - Electromagnetics (2012.9.1 - 2014.1.31)
2. "Network Communication Talent Cultivation Pilot Project" - Electromagnetics Course Promotion Project - Electromagnetic Waves (2012.9.1 - 2014.1.31)
3. "Network Communication Talent Cultivation Pilot Project" - Electromagnetics Course Promotion Project - Microwave Engineering (2012.9.1 - 2013.1.31)
4. Orthogonal Classification Principles and Technologies: Multimedia Technology for Digital TV (2010.2.1 - 2011.1.31)
5. Orthogonal Frequency Division Multiplexing Advanced Technology in Microwave Engineering (2007.12.1 - 2009.1.31)

Publications

1. Chung-Ming Weng, Cheng-Che Tsai, Cheng-Shong Hong, Chung-Hao Chiang, Sheng-Yuan Chu, Chun-Cheng Lin, Jyh Sheen. Effects of post-annealing on electrical properties of CuF2·xH2O-doped KNN ceramics for rotary-linear ultrasonic motors(SCI). Ceramics International(2018)
2. Chung-Ming Weng, Cheng-Che Tsai, Cheng-Shong Hong, Jyh Sheen, Sheng-Yuan Chu, Jian-Fu Tang, Yi-Hong Zou. Effects of LiNbO3-doping on properties of (Na0.535K0.48)NbO3 piezoelectric ceramics with high electromechanical coupling coefficient for application in surface acoustic wave devices(SCI). Ceramics International(2017)
3. Chung-Ming Weng, Cheng-Che Tsai, Jyh Sheen, Cheng-Shong Hong, Sheng-Yuan Chu, Zong-You Chen, Hsiu-Hsien Su. Low-temperature-sintered CuF2-doped NKN ceramics with excellent piezoelectric and dielectric properties(SCI). Journal of Alloys and Compounds(2017)
4. Chung-Ming Weng, Cheng-Che Tsai, Cheng-Shong Hong, Jyh Sheen, and Sheng-Yuan Chu. Lead-Free NKN-Based Materials for Ultrasonic Therapeutic Transducers: Resistance to Temperature and Humidity(SCI). ECS Journal of Solid State Science and Technology(2017)
5. Jyh Sheen and Chung-Ming Weng. Modifications of the cavity perturbation technique for permittivity measurements of laminated samples(SCI). IEEE Transactions on Dielectrics and Electrical Insulation(2016)
6. Jyh Sheen, Zuo-Wen Hong, Weihsing Liu, and Wei-Lung Mao. Studies of dielectric constant measurements at microwave frequency using mixing equations-The analyses on five rules(SCI). Microwave and Optical Technology Letters(2011)
7. Wei-Lung Mao, Wei-Yin Tseng, Wei-Ming Wang, Po-Hung Chen, Jyh Sheen. Study on Signal Search Architecture of Galileo System (Others). Communications of the CCISA(2010)
8. J. Sheen, Z. W. Hong, C. W. Su, and H. C. Chen. Microwave measurements of dielectric constants by exponential and logarithmic mixture equations(SCI). Progress in Electromagnetics Research(2010)
9. Jyh Sheen. Comparisons of microwave dielectric properties measurements by transmission/reflection techniques and resonance techniques(SCI). Measurement Science and Technology(2009)
10. Jyh Sheen, Zuo-Wen Hong, Weihsing Liu, Wei-Lung Mao, and Chin-An Chen. Study of dielectric constants of binary composites at microwave frequency by mixture laws derived from three basic particle shapes(SCI). European Polymer Journal(2009)
11. Jyh Sheen. Measurements of microwave dielectric properties by an amended cavity perturbation technique(SCI). Measurement(2009)
12. J. Sheen. Losses of the Parallel-Plate Dielectric Resonator(SCI). IET Microwaves, Antennas & Propagation(2008)
13. Jyh Sheen, Ruyan Guo, A. S. Bhalla, and L. E. Cross. Dielectric dispersion at microwave frequencies of some low loss mixed oxide perovskites(SCI). Ferroelectrics Letters(2008)
14. Jyh Sheen. A dielectric resonator method of measuring dielectric properties of low loss materials in the microwave region(SCI). Measurement Science and Technology(2008)
15. Jyh Sheen. A modified field model of waveguide reflection dielectric resonator for microwave measurements of dielectric properties(SCI). Journal of Applied Physics(2008)
16. Jyh Sheen. Microwave measurements of dielectric properties using a closed cylindrical cavity resonator(SCI). IEEE Transactions on Dielectrics and Electrical Insulation(2007)
17. Jyh Sheen. Amendment of cavity perturbation technique for loss tangent measurement at microwave frequencies(SCI). Journal of Applied Physics(2007)
18. J. Sheen. Time harmonic electromagnetic fields in an anisotropic medium(SCI). Journal of Electromagnetic Waves and Applications(2005)
19. Jyh Sheen. Study of microwave dielectric properties measurements by various resonance techniques(SCI). Measurement(2005)
20. Jyh Sheen. A proposed modification of COST231-Hata model for 3G mobile propagation in Panchiao Urban clutter(SCI). Journal of Oriental Institute of Technology(2005)
21. Jyh Sheen. Microwave Low Noise Amplifier Using Cascode Design(SCI). Journal of Oriental Institute of Technology(2005)

1. Microwave Dielectric Properties Measurement of (1-x)TiO2-xSrTiO3 Ceramics Using Cylindrical Resonance Technique, 16th Symposium on Microelectronics Technology and Applications (2018 Taiwan)
2. Design of Ku-Band Low Noise Amplifier Using Cascade Architecture, 16th Symposium on Microelectronics Technology and Applications (2018 Taiwan)
3. Microwave Dielectric Properties Analysis of (1-x)TiO2-xSrTiO3 Ceramics Using Cylindrical Resonance Technique, 16th Symposium on Microelectronics Technology and Applications (2018 Taiwan)
4. Microwave Measurements of High Dielectric Constant Ceramics by Powder Mixture Equations – A Further Study, 12th European Conference on Antennas and Propagation (2018 UK)
5. On-Chip Ku-Band Bandpass Filter with Compact Size and Wide Stopband, ICECE 2017: 19th International Conference on Electrical and Communication Engineering (2017 Italy)
6. Microwave Dielectric Properties Measurement of (1-x)TiO2-xSrTiO3 Ceramics Using Cylindrical Resonance Technique, 15th Symposium on Microelectronics Technology and Applications (2017 Taiwan)
7. Design of Ku-Band Low Noise Amplifier Using Cascode Architecture, 15th Symposium on Microelectronics Technology and Applications (2017 Taiwan)
8. Dielectric measurements of high dielectric constant materials at microwave frequency using five well known mixture equations, The Dielectrics 2017 Conference (2017 UK)
9. Microwave measurements of dielectric constants of ceramic materials by powder mixture equations, IEEE International Instrumentation and Measurement Technology Conference (I2MTC) (2015 Italy)
10. Microwave Dielectric Properties Measurement of (1-x)TiO2-xSrTiO3 Ceramics Using a Modified Cavity Perturbation Technique, 12th Symposium on Microelectronics Technology and Applications (2014 Taiwan)
11. 3-10 GHz Broadband Low Noise Amplifier, 12th Symposium on Microelectronics Technology and Applications (2014 Taiwan)
12. K-Band Low Noise Amplifier, 12th Symposium on Microelectronics Technology and Applications (2014 Taiwan)
13. 24GHz Low Noise Amplifier for Automotive Radar Applications, 12th Symposium on Microelectronics Technology and Applications (2014 Taiwan)
14. Unambiguous BPSK-like CSC Method for Galileo Acquisition, 18th International Conference on Methods and Models in Automation and Robotics (2013 Poland)
15. Microwave dielectric constant measurements of strontium titanate using five mixture equations, International Symposium on the Applications of Ferroelectric and Piezoresponse Force Microscopy Workshop (ISAF–PFM) (2013 Czech Republic)
16. Broadband Low Noise Amplifier Design, 11th Symposium on Microelectronics Technology and Applications (2013 Taiwan)
17. WiGig 60GHz Filter, 11th Symposium on Microelectronics Technology and Applications (2013 Taiwan)
18. Microwave Dielectric Properties Measurement of (1-x)TiO2-xCaTiO3 Ceramics Using Cylindrical Resonance Technique, 11th Symposium on Microelectronics Technology and Applications (2013 Taiwan)
19. Microwave Measurements of Dielectric Constants from Composite Samples, 15th European Conference on Composite Materials (2012 Italy)
20. Application of Integrating Wireless Sensor Networks and Ultrasonic Sensors in Automotive Blind Spot Detection, 2012 National Symposium on System Science and Engineering (2012 Taiwan)
21. Analysis of Signal Search Algorithm for Galileo System, 2012 National Symposium on System Science and Engineering (2012 Taiwan)
22. Design of X-Band Low Noise Amplifier RF Chip, 2012 Symposium on Electronic Engineering Technology (2012 Taiwan)
23. Unambiguous BOC Acquisition in Galileo Signal, 11th WSEAS International Conference on Signal Processing, Computational Geometry and Artifical Vision (2011 Italy)
24. Design of Broadband Low Noise Amplifier for 3-10GHz Applications, 2011 Symposium on Electronic Communication and Applications (2011 Taiwan)
25. Microwave measurements of dielectric constants by mixture equations, IEEE International Symposium on Antennas and Propagation (2010 Canada)
26. Application of Exponential and Logarithmic Mixture Laws to Dielectric Measurement, 2010 Symposium on Electronic Engineering Technology (2010)
27. Suppression of Spurious Waves Using Modified Slow-Wave Resonator Coupled Bandpass Filter, 2010 Symposium on Electronic Engineering Technology (2010)
28. An integrated portable vision assistant agency for the visual impaired people, IEEE International Conference on Control and Automation (2009 New Zealand)
29. Microwave measurements of dielectric properties – a further study to a new theoretical model for a closed cylindrical cavity dielectric resonator, European Conference on Antennas and Propagation (2009 Germany)
30. Design and Application of Integrating ZigBee Wireless Sensor Network and Embedded System, 3rd Academic Symposium on Application and Development of Electrical and Computer Technology (2008 Taiwan)
31. Measurement of Dielectric Properties of TiO2-Doped SrTiO3 Thin Films at Microwave Frequencies, 3rd Academic Symposium on Application and Development of Electrical and Computer Technology (2008 Taiwan)
32. Measurement of Dielectric Properties of Thin Films at Microwave Frequencies Using Cavity Perturbation Technique, 2008 National Symposium on Telecommunications (2008 Taiwan)
33. Study on the Application of Five Mixture Laws to the Dielectric Constant of Composite Materials at Microwave Frequencies - A Further Analysis, 2008 Annual Meeting of the Materials Research Society of Taiwan (2008 Taiwan)
34. Study on the Application of Five Mixture Laws to the Dielectric Constant of Composite Materials at Microwave Frequencies, 2008 Symposium on Electronic Engineering Technology (2008 Taiwan)
35. Design and Application of ZigBee Wireless Communication Technology, 2008 Conference on System Science and Engineering (2008 Taiwan)
36. A Low–power and low–voltage cube–law circuit design using MOSFETs, IEEE International Conference on Electron Devices and Solid-State Circuits (2007 Taiwan)
37. Study on the measurements techniques of microwave dielectric properties, 2007 National Symposium on Telecommunications (2007 Taiwan)
38. Microwave dielectric properties measurements using the waveguide reflection dielectric resonator, IEEE Instrumentation and Measurement Technology Conference (2007 Poland)
39. Losses of the parallel plate dielectric resonator, IMTC 2006 IEEE Instrumentation and Measurement Technology Conference, Sorrento (2006)
40. Image processing based auxiliary system for visually impaired to move safely outdoors, 18th Computer Vision, Graphics and Image Processing Conference (CVGIP) (2005 Taiwan)
41. Conductor and Radiation Losses of the Parallel-Plate Dielectric Resonator, IMTC 2005 Instrumentation and Measurement Technology Conference (2005)
42. Microwave Low Noise Amplifier Using Cascode Design, 2005 Symposium on Communication and Electronic Technology and Applications (2005 Taiwan)
43. Time-Harmonic Electromagnetic Fields in Biaxial, Anisotropic Media, 2004 National Symposium on Telecommunications (2004 Taiwan)

Special Achievements

1. Outstanding Research Award, College of Electrical and Computer Engineering, National Formosa University (2010)