@article{CTT100667919,
  author = {W. Li and Y. Niimi and Y. Orino and S. Hirata and M. K. Kurosawa},
  title = {A frequency synchronization method for a self-oscillating PWM signal generator},
  journal = {IEEE Transactions on Circuits and Systems II: Express Briefs},
  year = 2014,
}

@inproceedings{CTT100681043,
  author = {Natee Thong-un and yuichiro orino and Minoru K Kurosawa and Shinnosuke Hirata},
  title = {Three-dimensional-positioning measurements based on echolocation using linear-period-modulated ultrasonic signal},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100668007,
  author = {ko sakai and Minoru Kuribayashi Kurosawa and Shinnosuke Hirata and yuichiro orino},
  title = {チャープ波を用いた二次元超音波位置・速度計測に基づく 複数移動物体の追跡手法},
  booktitle = {日本音響学会 2014年春季研究発表会 講演論文集},
  year = 2014,
}