Presentations

2012

Yohandri, J.T. Sri Sumantyo, and Hiroaki Kuze, “Design of a Broadband Antenna for CP-SAR installed on Unmanned Aerial Vehicle,” The 17th CEReS International Symposium, P10, Chiba Unversity, Japan, March 1, 2012

Yohandri and J.T. Sri Sumantyo, “A Low Sidelobe Level Array Antenna for CP-SAR Sensor,” The 5th Indonesia Japan Joint Scientific Symposium (IJJSS 2012), 25-26 October 2012 (Japan : Chiba).

Yohandri, Josaphat Tetuko Sri Sumantyo, “Development of Non-Uniform Circularly Polarized Array Antenna for Synthetic Aperture Radar Sensor, ” IEICE SANE、Procc. IEICE Tech. Rep., Vol. 112, No. 330, SANE2012-115, pp. 27-30, Chiba University, November 2012.

2011

Yohandri, J.T. Sri Sumantyo, and H. Kuze, Circularly Polarized Array Antennas for Synthetic Aperture Radar, Progress In Electromagnetics Research Symposium, PIERS 2011 in Suzhou, China, 12-16 September 2011

I. Firmansyah, Yohandri,  P.R. Akbar, J.T. Sri Sumantyo, H. Kuze, Simulation of FPGA-based Chirp Generator Using First Quadrant DDS for Circularly Polarized Synthetic Aperture Radar, Remote Sensing Society of Japan 50th International Conference, pp. 61-62, Nihon University, Tokyo, Japan, 26-27 May 2011

Yohandri, I. Firmansyah, J.T. Sri Sumantyo, H. Kuze, Development of CP-SAR Sensor Onboard Unmanned Aerial Vehicle, Remote Sensing Society of Japan 50th International Conference, pp. 45-46, Nihon University, Tokyo, Japan, 26-27 May 2011

2010

Yohandri, Iman Firmansyah, Prilando Rizki Akbar, Josaphat Tetuko Sri Sumantyo, Hiroaki Kuze, Design of Circularly Polarized Synthetic Aperture Radar (CP-SAR) Onboard Unmanned Aerial Vehicle, Procc. IEICE Tech. Rep., Vol. 110, No. 173, SANE2010-62, pp. 11-16, Niigata University, Aug. 2010.

2009

Yohandri, Designing of Pendulum Experiment system based on Microcontroller and Computer Interfacing. Presented at national symposium on Science, Mei 4, 2009. Syahkuala University, Aceh. Indonesia

2008

Yohandri, Designing of Levitation Force Determining System for Superconductor Material Based on Personal Computer. Presented at national symposium on Physics, August 23, 2008. State University of Padang, Padang. Indonesia

Yohandri Designing of Data Logger System for Temperature Recording Based on Microcontroller MCS-51. Presented at national symposium on Science, Mei 14, 2008. Bengkulu University, Bengkulu. Indonesia

2007

Yohandri, Development of Capacitor Capacitance Determining System by Using Half Life Methode with Personal Computer Display. UIN Jakarta Proceeding Juli 2007. ISBN 978-979-165452

2005

Asrizal, Hufri, Yohandri, Digital Timer Start-Stop System controlled IR sensor based on Microcontroller and Application, presented at national symposium on Physics, September 10, 2005. Andalas University, Padang. Indonesia

2004

Asrizal, Yohandri, Designing and Characterization Temperature Controlling System Based on Microcontroller, presented at local symposium of State University of Padang, 2004, Padang, Indonesia.

2000

Yohandri, Asrizal, Designing and Assembling Temperature Controlling System with Diode Sensor and its Application, presented at National Symposium of Karya Alternatif Mahasiswa on DIKTI, Juli 2000, Jakarta, Indonesia.

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