Broadband radio interferometer utilizing a sequential triggering technique for locating fast-moving electromagnetic sources emitted from lightning. - Redy Mardiana; Zen Kawasaki (IEEE Trans. Instrum. Meas., 2000)

Effect of Insulating Coating on Lightning Flashover Characteristics of Electric Power Line with Insulated Covered Conductor. - Kenji Yamamoto; Yosihiko Kunieda; Masashi Kawaguchi; Zenichiro Kawasaki; Naohiro Ishii (KES (1), 2005)

A Low-Power High-Resolution Broad-Band Radar Using a Pulse Compression Technique for Meteorological Application. - Tomoaki Mega; Kazushi Monden; Tomoo Ushio; Ken'ichi Okamoto; Zenichiro Kawasaki; Takeshi Morimoto (IEEE Geosci. Remote. Sens. Lett., 2007)

Development and Observation of the Ku-band Broad-Band Radar for Meteorological Application. - Eiichi Yoshikawa; Tomoaki Mega; Takeshi Morimoto; Tomoo Ushio; Zen Kawasaki (IGARSS (5), 2008)

Real-Time Spectral Moments Estimation and Ground Clutter Suppression for Precipitation Radar with High Resolution. - Eiichi Yoshikawa; Tomoaki Mega; Takeshi Morimoto; Tomoo Ushio; Zen Kawasaki (IEICE Trans. Commun., 2009)

Wideband Radio Wave Observations of Lightning Discharge by Maido-1 Satellite. - Hiroshi Kikuchi; Takeshi Morimoto; Tomoo Ushio; Zen Kawasaki (IEICE Trans. Commun., 2010)

Development and Initial Observation of High-Resolution Volume-Scanning Radar for Meteorological Application. - Eiichi Yoshikawa; Tomoo Ushio; Zen Kawasaki; Tomoaki Mega; Satoru Yoshida; Takeshi Morimoto; Katsuyuki Imai; Shin'ichiro Nagayama (IEEE Trans. Geosci. Remote. Sens., 2010)

Initial observation results for precipitation on the Ku-band broadband radar network. - Eiichi Yoshikawa; Satoru Yoshida; Takeshi Morimoto; Tomoo Ushio; Zen Kawasaki; Tomoaki Mega (IGARSS, 2011)

Latest observation results of the Ku-band broadband radar (BBR) network project. - Tomoo Ushio; Eiichi Yoshikawa; Shigeharu Shimamura; Zen Kawasaki; Naoki Matayoshi (IGARSS, 2012)

Raindrop size distribution (DSD) retrieval for X-band dual-polarization radar. - Eiichi Yoshikawa; V. Chandrasekar 001; Tomoo Ushio; Zen Kawasaki (IGARSS, 2012)

Bayesian formulation of DSD retrieval algorithm for dual-polarized X-band weather radar network. - Eiichi Yoshikawa; V. Chandrasekar 001; Tomoo Ushio; Zen Kawasaki (IGARSS, 2012)

Performance Analysis of Gradual Multi-pulse Pulse-Position Modulation in Deep-Space Optical Communications. - Hossam A. I. Selmy; Hossam M. H. Shalaby; Zen Kawasaki (JOCN, 2012)

Modified zero forcing decoder for ill-conditioned channels. - Ibrahim Al-Nahhal; Masoud Alghoniemy; Adel B. Abd El-Rahman; Zen Kawasaki (Wireless Days, 2013)

VHF Radio Wave Observations by Maido-1 Satellite and Evaluation of Its Relationship with Lightning Discharges. - Hiroshi Kikuchi; Satoru Yoshida; Takeshi Morimoto; Tomoo Ushio; Zenichiro Kawasaki (IEICE Trans. Commun., 2013)

MMSE Beam Forming on Fast-Scanning Phased Array Weather Radar. - Eiichi Yoshikawa; Tomoo Ushio; Zen Kawasaki; Satoru Yoshida; Takeshi Morimoto; Fumihiko Mizutani; Masakazu Wada (IEEE Trans. Geosci. Remote. Sens., 2013)

Multirate Multiservice All-Optical Code Switched GMPLS Core Network Utilizing Multicode Variable-Weight Optical Code-Division Multiplexing. - Ahmed E. Farghal; Hossam M. H. Shalaby; Zen Kawasaki (JOCN, 2014)

Direction-of-Arrival Estimation of VHF Signals Recorded on the International Space Station and Simultaneous Observations of Optical Lightning. - Hiroshi Kikuchi; Takeshi Morimoto; Mitsuteru Sato; Tomoo Ushio; Masayuki Kikuchi; Atsushi Yamazaki; Makoto Suzuki; Ryohei Ishida; Yuji Sakamoto; Zen Kawasaki (IEEE Trans. Geosci. Remote. Sens., 2016)

A Neural-Network-Based Beamformer for Phased Array Weather Radar. - Tarek Sallam; Adel B. Abd El-Rahman; Masoud Alghoniemy; Zen Kawasaki; Tomoo Ushio (IEEE Trans. Geosci. Remote. Sens., 2016)

Lightning Mapping: Techniques, Challenges, and Opportunities. - Ammar Alammari; Ammar Ahmed Alkahtani; Mohd Riduan Ahmad; Fuad Noman; Mona Riza Mohd Esa; Zen Kawasaki; Sieh Kiong Tiong (IEEE Access, 2020)

Kalman Filter and Wavelet Cross-correlation for VHF Broadband Interferometer Lightning Mapping. - Ammar Alammari; Ammar Ahmed Alkahtani; Mohd Riduan Ahmad; Fuad Noman; Mona Riza Mohd Esa; Muhammad Haziq Mohamad Sabri; Sulaiman Ali Mohammad; Ahmed Salih Al-Khaleefa; Zen Kawasaki; Vassilios G. Agelidis (CoRR, 2020)