1. “Review of Current Guided Wave Ultrasonic Testing (GWUT) Limitations and Future Directions”
by Samuel Chukwuemeka Olisa, Muhammad A. Khan and Andrew Starr
Sensors 2021, 21(3), 811; https://doi.org/10.3390/s21030811
Available online: https://www.mdpi.com/1424-8220/21/3/811
2. “A Deep Neural Network-Based Feature Fusion for Bearing Fault Diagnosis”
by Duy Tang Hoang, Xuan Toa Tran, Mien Van and Hee Jun Kang
Sensors 2021, 21(1), 244; https://doi.org/10.3390/s21010244
Available online: https://www.mdpi.com/1424-8220/21/1/244
3. “Serial MTJ-Based TMR Sensors in Bridge Configuration for Detection of Fractured Steel Bar in Magnetic Flux Leakage Testing”
by Zhenhu Jin, Muhamad Arif Ihsan Mohd Noor Sam, Mikihiko Oogane and Yasuo Ando
Sensors 2021, 21(2), 668; https://doi.org/10.3390/s21020668
Available online: https://www.mdpi.com/1424-8220/21/2/668
4. “Chiroptical Metasurfaces: Principles, Classification, and Applications”
by Joohoon Kim, Ahsan Sarwar Rana, Yeseul Kim, Inki Kim, Trevon Badloe, Muhammad Zubair, Muhammad Qasim Mehmood and Junsuk Rho
Sensors 2021, 21(13), 4381; https://doi.org/10.3390/s21134381
Available online: https://www.mdpi.com/1424-8220/21/13/4381
5. “A High-Resolution Reflective Microwave Planar Sensor for Sensing of Vanadium Electrolyte”
by Nazli Kazemi, Kalvin Schofield and Petr Musilek
Sensors 2021, 21(11), 3759; https://doi.org/10.3390/s21113759
Available online: https://www.mdpi.com/1424-8220/21/11/3759
6. “An Estimation Method of Continuous Non-Invasive Arterial Blood Pressure Waveform Using Photoplethysmography: A U-Net Architecture-Based Approach”
by Tasbiraha Athaya and Sunwoong Choi
Sensors 2021, 21(5), 1867; https://doi.org/10.3390/s21051867
Available online: https://www.mdpi.com/1424-8220/21/5/1867
7. “Sensors and Measurements for Unmanned Systems: An Overview”
by Eulalia Balestrieri, Pasquale Daponte, Luca De Vito and Francesco Lamonaca
Sensors 2021, 21(4), 1518; https://doi.org/10.3390/s21041518
Available online: https://www.mdpi.com/1424-8220/21/4/1518
8. “MoS2 Based Photodetectors: A Review”
by Alberto Taffelli, Sandra Dirè, Alberto Quaranta and Lucio Pancheri
Sensors 2021, 21(8), 2758; https://doi.org/10.3390/s21082758
Available online: https://www.mdpi.com/1424-8220/21/8/2758
9. “Flexural Damage Diagnosis in Reinforced Concrete Beams Using a Wireless Admittance Monitoring System—Tests and Finite Element Analysis”
by Constantin E. Chalioris, Violetta K. Kytinou, Maristella E. Voutetaki and Chris G. Karayannis
Sensors 2021, 21(3), 679; https://doi.org/10.3390/s21030679
Available online: https://www.mdpi.com/1424-8220/21/3/679
10. “Review on Conductive Polymer/CNTs Nanocomposites Based Flexible and Stretchable Strain and Pressure Sensors”
by Olfa Kanoun, Ayda Bouhamed, Rajarajan Ramalingame, Jose Roberto Bautista-Quijano, Dhivakar Rajendran and Ammar Al-Hamry
Sensors 2021, 21(2), 341; https://doi.org/10.3390/s21020341
Available online: https://www.mdpi.com/1424-8220/21/2/341
