Akihito Hirai

According to our database, Akihito Hirai authored at least 4 papers between 2019 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

Terahertz Sensing with CMOS-RFIC - Feasibility Verification for Short-Range Imaging using 300GHz MIMO Radar -.

Ichiro Somada, Akihito Hirai, Keigo Nakatani, Akinori Taira, Kazuaki Ishioka, Takuma Nishimura, Koji Yamanaka

Proceedings of the IEEE Symposium on VLSI Technology and Circuits 2024, 2024

2023

Variable-Gain Phase Shifter with Phase Compensation Using Varactors.

Akihito Hirai, Yuki Tsukui, Koji Tsutsumi, Kazutomi Mori

IEICE Trans. Electron., November, 2023

2021

S-to-X Band 360-Degree RF Phase Detector IC Consisting of Symmetrical Mixers and Tunable Low-Pass Filters.

Akihito Hirai, Kazutomi Mori, Masaomi Tsuru, Mitsuhiro Shimozawa

IEICE Trans. Electron., 2021

2019

A 0.3-to-5.5 GHz Digital Frequency Discriminator IC with Time to Digital Converter and Edge Counter for Instantaneous Frequency Measurement.

Akihito Hirai, Koji Tsutsumi, Hideyuki Nakamizo, Eiji Taniguchi, Kenichi Tajima, Kazutomi Mori, Masaomi Tsuru, Mitsuhiro Shimozawa

IEICE Trans. Electron., 2019