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NAGAI Nobuo
永井 信夫
Connect your ORCID iD
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Researcher Number
80001692
Other IDs
External Links
Affiliation (based on the past Project Information)
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1992 – 1995: Hokkaido University, Research Institute for Electronic Science, Professor, 電子科学研究所, 教授
1986 – 1991: 北海道大学, 応用電気研究所, 教授
Review Section/Research Field
Principal Investigator
電子通信系統工学
/
電子デバイス・機器工学
Except Principal Investigator
電子機器工学
Keywords
Principal Investigator
半導体超格子 / 多重バリア・井戸構造 / 複素等価回路 / 波動関数 / 共鳴トンネル準位 / 共鳴トンネルダイオード / シュレディンガー方程式 / ディラック作用素 / δ形ポテンシャル / RIT構造(Resonant Interband Tunnel)
…
More
/ 等長分布定数回路の拡張 / 多重バリヤ・井戸構造 / エネルギー準位 / 共鳴トンネル / ミニバンド / 電圧および電流S行列 / クローニッヒ・ペニー模型 / ヘテロ界面での波動関数の接続 / 共鳴状態の存在寿命 / 電子波散乱 / タイプII,III型 / Semiconductor Superlattice, / multiple Barriers and Wells, / Complex Equivalent Circuit, / Wave Equation, / Resonat Tunneling Energy Level, / Resonat Tunneling Diode, / Schrodinger Equation, / Dirac Operator / ディジタルフィルタ / 定常確率過程 / 線形予測理論 / 高速算法 / 適応的ディジタル信号処理 / 伝達関数 / スペクトル推定 / 分布定数回路 / 回路網合成 / Digital Filter / Linear Prediction Theory / Fast Algorithm / Transfer Function / Adaptive Digital Signal Processing / ディジタル信号処理 / 複素ディジタルフィルタ / 虚数抵抗 / 複素係数分布定数回路 / 量子現象 / シュレ-ディンガ-方程式 / トンネル共鳴エネルギ- / 固有エネルギ- / 複素係数ディジタルフィルタ / 音源方向推定 / 最大尤度法 / 補間問題 / 複素分布定数回路 / 複素反射係数 / 最小2乗法 / 複素散乱行列 / 回帰的最小2乗法(RLS) / Digital signal Processing / Complex Digital Filter / Imaginary Resistance / Complex Distributed Constant Circuit / Quantum Mechanics / Schrodinger Equation / Tunnel Resonance Energy / Characteristic Energy
…
More
Except Principal Investigator
majorization / 音声生成 / 声道モデル / 声門モデル / 流体解析 / 粘弾性体 / 回路モデル / 等価回路 / 音声合成 / 音声 / 生成モデル / 音源モデル / 流体シミュレ-ション / 有限要素法 / 調音 / 音響測定 / 声帯 / シミュレ-ション / speech / speech production / time-varying / FEM / flow simulation / wall impedance / 行列解析 / 信号処理 / グラフ / 組合せ論 / Hankel行列 / Toeplitz行列 / 極値問題 / H^∞ー制御 / フィルタ- / 行列 / 関数解析 / 作用素 / Hadamard積 / matrix analysis / signal processing / graph / combinatorics / Hankel matrices / Toeplitz matrices / extreme problems
Less
Research Projects
(
5
results)
Co-Researchers
(
14
People)
Project Start Year (Newest)
Project Start Year (Oldest)
Application of Circuit Theory to Synthesis of New Materials Using Quantum Effect
Principal Investigator
Principal Investigator
NAGAI Nobuo
Project Period (FY)
1993 – 1995
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
電子デバイス・機器工学
Research Institution
HOKKAIDO UNIVERSITY
Matrix Analysis and Its Applications to Signal Processing
Principal Investigator
ANDO Tsuyoshi
Project Period (FY)
1990 – 1992
Research Category
Grant-in-Aid for international Scientific Research
Research Institution
Hokkaido University
Time Varying Circuit Model of Speech Production System
Principal Investigator
MIKI Nobuhiro
Project Period (FY)
1989 – 1991
Research Category
Grant-in-Aid for General Scientific Research (B)
Research Field
電子機器工学
Research Institution
Hokkaido University
Application of Analog Circuit Theory to Digital Filter
Principal Investigator
Principal Investigator
NAGAI N.
Project Period (FY)
1988 – 1990
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
電子通信系統工学
Research Institution
Hokkaido Univ. Research Institute of Applied Electricity
A Study on Auto-Regressive and Moving-Average Lattice Digital Filters
Principal Investigator
Principal Investigator
NAGAI Nobuo
Project Period (FY)
1985 – 1987
Research Category
Grant-in-Aid for General Scientific Research (C)
Research Field
電子通信系統工学
Research Institution
Research Institute of Applied Electricity, Hokkaido University
# of Projects (Dsc)
# of Projects (Asc)
1.
MIKI Nobuhiro
(30002314)
# of Collaborated Projects:
3 results
# of Collaborated Products:
0 results
2.
SUZUKI Masakiyo
(60192621)
# of Collaborated Projects:
3 results
# of Collaborated Products:
0 results
3.
ONO Koujiro
(00001686)
# of Collaborated Projects:
2 results
# of Collaborated Products:
0 results
4.
BRUALDI RICH
# of Collaborated Projects:
2 results
# of Collaborated Products:
0 results
5.
SCHNEIDER HA
# of Collaborated Projects:
2 results
# of Collaborated Products:
0 results
6.
MOTOKI Kunitoshi
(80219980)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
7.
ANDO Tsuyoshi
(10001679)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
8.
NAKAMURA Yoshihiro
(50155868)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
9.
NAKAZI Takahiko
(30002174)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
10.
MIYANAGA Yoshikazu
(20166185)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
11.
日合 文雄
(30092571)
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
12.
HANS Schneider
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
13.
RICHARD Brualdi
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
14.
HANS Schneid
# of Collaborated Projects:
1 results
# of Collaborated Products:
0 results
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