論文 Nondestructive evaluation of air voids in concrete structures using microwave radar technique SICE Journal of Control, Measurement, and System Integration,15(1):36-47 2022(Mar.) Author:Jun-ya Takayama, Yuki Ohara, Wei Sun
A high-precision RF time-of-flight measurement method based on vernier effect for localization of wireless sensor networks Sensors&Transducers,135(12):27-41 2011(Dec.) Author:Sang Il Ko, Go Aikawa, Jun-ya Takayama, Shinji Ohyama
Proposal of Generalized Vernier Effect and Its Practical Advantage for RF Time-of-Flight Ranging between Sensor Nodes in Wireless Sensor Networks Sensors&Actuators A,167(2):537-547 2011(Jun.) Author:Sang-il Ko, Jun-ya Takayama, Shinji Ohyama
Extraction of Yarn Positional Information from a Three-dimensional CT Image of Textile Fabric using Yarn Tracing with aFilament Model for Structure Analysis Textile Research Journal,80(7):623-630 2010(May) Author:Toshihiro Shinohara, Jun-ya Takayama, Shinji Ohyama, Akira Kobayashi
Temperature distribution and wind vector measurement using ultrasonic CT based on the time of flight detection Sensors and ActuatorsA,151(2):159-167 2009(Apr.) Author:Shinji Ohyama, Jun-ya Takayama, Yuuki Watanabe, Tetuya Takahoshi , Kazuo Oshima
Automatic Weave Diagram Construction from Yarn Positional Data of Woven Fabric Textile Research Journal,78(9):745-751 2008(Sep.) Author:Toshihiro Shinohara, Jun-ya Takayama, Shinji Ohyama, Akira Kobayashi
Determining 2D positions of sensor network nodes for temperature distribution measurement Sensors&Actuators A,135(1):203-208 2007(Mar.) Author:Shinji Ohyama, Ali Husein Alasiry, Jun-ya Takayama, Akira Kobayashi
Precise depth estimation considering size of buried object based on scattering reflection model on microwave radar method SICE Annual Conference 2022 2022(Sep.) Presenter:Jun-ya Takayama, Erina Inukai, Shunsuke Tani
Power line tracking method based on ellipsoidal and curve models with three-dimensional point cloud data SICE Annual Conference 2022 2022(Sep.) Presenter:Shota Takagi, Kazutomo Obinata, Jun-ya Takayama
Quantitative evaluation of air void thickness in concrete structures by using microwave radar 60th Annual Conference of the Society of Instrument and Control Engineers 2021 2021(Sep.) Presenter:Jun-ya Takayama, Yuki Ohara, Wei Sun
Estimation of spalling properties of wall surface based on time frequency analysis of hammering sound IMEKO2021 2021(Sep.) Presenter:Yuto Kitamura, Jun-ya Takayama
Tracking and evaluation method focusing on continuity of power line based on three-dimensional point cloud data IMEKO2021 2021(Sep.) Presenter:Shota Takagi, Jun-ya Takayama
Quantitative Evaluation of Air Gap in Concrete by Using Microwave Radar SICE Annual Conference 2020 2020(Sep.) Presenter:Sun Wei, Daisuke Hagiwara, Jun-ya Takayama
Theoretical and Experimental Verification of Reflection Phase Change based on Time-Frequency Analysis on Microwave Radar SICE Annual Conference 2019 2019(Sep.) Presenter:Yuito Yamada, Daisuke Hagiwara, Jun-ya Takayama
High precise estimation of propagation time and reflection phase shift based on time-frequency analysis on microwave radar SICE Annual Conference 2018 2018(Sep.) Presenter:Kento Suzuki, Daisuke Hagiwara, Jun-ya Takayama
Non-Destructive Inspection of Buried Object in Concrete Structures Based on Improved Propagation Path Model Using Microwave Radar SICE Annual Conference 2017 2017(Sep.) Presenter:Masaya Kubo, Mamoru Okamoto, Jun-ya Takayama
Material Discrimination and Propagation Time Estimation for Buried Object based on Cross Correlation Processing using Microwave Radar SICE Annual Conference 2016 2016(Sep.) Presenter:Kenta Narumi, Jun-ya Takayama
Precise Asynchronous RF ToF Measurement Based on Two-Way-Ranging Using Heterogeneous Clocks SICE Annual Conference 2012 2012(Aug.) Presenter:Yusuke SAIGO, Sang-il KO, Jun-ya TAKAYAMA, Shinji OHYAMA
A Novel RF Time-of-flight Estimation Method for Asynchronous Wireless Sensor Network Nodes SICE Annual Conference 2012 2012(Aug.) Presenter:Thanh Phuoc HONG,Jun-ya TAKAYAMA, Shinji OHYAMA
Development of Prototype Sensor Nodes with High-accuracyRanging for Localization on Wireless Sensor Networks IEEE Sensors 2011 Conference 2011(Oct.) Presenter:Jun-ya Takayama, Hong Phuoc Thanh, Sang Il Ko, Shinji Ohyama
Precise Diameter Measurement of Reinforcing Bar and Steel Pipe based on Bi-static Model using Microwave Radar SICE Annual Conference 2010 2010(Aug.) Presenter:Jun-ya Takayama, Tubasa Yoshinaga, Yusuke Ohtake, Shinji Ohyama
3D Image Reconstruction of Reinforcing Bar and Pipe using Handy Microwave Radar Scanning System Subsurface Radar ICROS-SICE International Joint Conference 2009 2009(Aug.) Presenter:Jun-ya Takayama, Tsubasa Yoshinaga, Akira Hayakawa, Shinji Ohyama
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