Cho Keizo 長敬三

Researcher Number	00633356
Other IDs
Affiliation (Current) *help	2018 : 千葉工業大学, 工学部, 教授
Affiliation (based on the past Project Information) *help	2013 – 2018 : 千葉工業大学, 工学部, 教授
Review Section/Research Field	Principal Investigator Communication/Network engineering Except Principal Investigator Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields
Keywords	Principal Investigator 基地局アンテナ / 移動通信 / 周波数共用 / メタマテリアル / CRLH伝送線路 / マルチバンド / 移相器 / 移動体通信 / 周波数選択性反射板 / CRLH … More Except Principal Investigator … More

Nondestructive diagnosis of buildings by frequency shifted terahertz wavesOngoing
- Principal Investigator
  
  水津光司
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 25:Social systems engineering, safety engineering, disaster prevention engineering, and related fields
- Research Institution
  Chiba Institute of Technology
平面型周波数分散性移相器構成法の研究Principal InvestigatorOngoing
- Principal Investigator
  
  長敬三
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Chiba Institute of Technology
Study of multi-band base station antenna using frequency selective reflector for mobile communication systemsPrincipal Investigator
- Principal Investigator
  
  Cho Keizo
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Chiba Institute of Technology

All 2016 2015 2014 2013 Other

All Journal Article Presentation

[Journal Article] HPBW control of dipole antenna with frequency selective reflector using different size elements2016
- Author(s)
  Keizo Cho, Hideya So, Atsuya Ando
- Journal Title
  
  IEICE Communications Express
  
  Volume : 5 Pages : 90-94
- DOI
  10.1587/comex.2015xbl0184
- Peer Reviewed / Open Access / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数選択性反射板で構成したコーナリフレクタアンテナにおけるアンテナ構造と放射特性の関係2016
- Author(s)
  谷澤佑亮，宗秀哉，安藤篤也，長敬三
- Organizer
  電子情報通信学会　アンテナ・伝播研究会
- Place of Presentation
  石和温泉（かんぽの宿）（山梨県笛吹市）
- Year and Date
  2016-03-10
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Radiation Characteristics of Corner Reflector Antenna Employing Frequency Selective Surface2016
- Author(s)
  Yusuke Tanizawa, Keizo Cho, Hideya So, and Atsuya Ando
- Organizer
  2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC 2016)
- Place of Presentation
  Seoul, Korea
- Year and Date
  2016-08-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数選択性反射板を用いたコーナリフレクタアンテナの半値角特性2016
- Author(s)
  谷澤佑亮，宗秀哉，安藤篤也，長敬三
- Organizer
  2016年電子情報通信学会　総合大会
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市）
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] CRLHコプレーナストリップ線路で構成した漏れ波アンテナのSパラメータによる右手・左手系動作解析2016
- Author(s)
  坂本旭，長敬三，道下尚文，大島一郎
- Organizer
  電子情報通信学会　2016年ソサイエティ大会講演論文集
- Place of Presentation
  北海道大学（北海道札幌市）
- Year and Date
  2016-09-20
- Data Source
  KAKENHI-PROJECT-16K06365
[Presentation] Transmission Characteristic Comparison between Right and Left Handed Leaky Wave Antennas Composed of CRLH Coplanar Strip Line2016
- Author(s)
  A. Sakamoto, K. Cho, N. Michishita, T. Seki, I. Oshima
- Organizer
  Proc. of 2016 International Symposium on Antennas and Propagation
- Place of Presentation
  沖縄コンベンションセンター（沖縄県宜野湾市）
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06365
[Presentation] Circuit Parameters Maximizing Phase Dispersion of Frequency Dispersive Phase Shifter for MultiBand Base Station Antenna2016
- Author(s)
  Y. Yanagisawa, K. Cho, N. Michishita, I. Oshima
- Organizer
  Proc. of 2016 International Symposium on Antennas and Propagation
- Place of Presentation
  沖縄コンベンションセンター（沖縄県宜野湾市）
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06365
[Presentation] FSR を用いたマルチバンド反射板付ダイポールアンテナにおけるFSR 素子形状による共用アンテナ指向性への影響2015
- Author(s)
  谷澤佑亮，長敬三，宗秀哉，安藤篤也
- Organizer
  2015年電子情報通信学会　ソサイエティ大会
- Place of Presentation
  東北大学河内北キャンパス（宮城県仙台市）
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数選択性反射板付ダイポールアンテナの反射板素子形状による放射特性への依存性2015
- Author(s)
  谷澤佑亮，長敬三，宗秀哉，安藤篤也
- Organizer
  電子情報通信学会　アンテナ・伝播研究会
- Place of Presentation
  稚内総合文化センター（北海道稚内市）
- Year and Date
  2015-07-30
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Element shape of FSR backed dipole antenna suitable for obtaining sector radiation pattern2015
- Author(s)
  Yusuke Tanizawa, Keizo Cho, Hideya So, and Atsuya Ando
- Organizer
  2015 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM),
- Place of Presentation
  Hsinchu, Taiwan
- Year and Date
  2015-11-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] ループ状無給電素子によるダイポールアンテナの広帯域化2014
- Author(s)
  佐々木隆吉，長敬三，吉原龍彦，井原泰介
- Organizer
  電子情報通信学会　総合大会
- Place of Presentation
  新潟大学，新潟
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Consideration of FSR Element Shape for Use in FSR Backed Dipole Antenna2014
- Author(s)
  K. Cho, H. So, A. Ando, and T. Sugiyama
- Organizer
  IEEE Asia-Pacific Conference on Applied Electromagnetics
- Place of Presentation
  Johor Bahru, Malaysia
- Year and Date
  2014-12-08
- Invited
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数分散性移相器を適用した基地局アンテナによる容量拡大効果2014
- Author(s)
  馬籠達也，長敬三，道下尚文，山田吉英
- Organizer
  電子情報通信学会　総合大会
- Place of Presentation
  新潟大学，新潟
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 両端のループ素子の大きさを変えたFSR付ダイポールアンテナによる半値角制御2013
- Author(s)
  工藤翔平，長敬三
- Organizer
  電子情報通信学会　通信ソサイエティ大会
- Place of Presentation
  福岡工業大学，福岡
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Bandwidth Enlargement of Dipole Antenna with FSR by Using Metal Strip Loop Elements2013
- Author(s)
  K. Cho
- Organizer
  IEEE 2nd Asia-Pacific Conference on Antennas and Propagation
- Place of Presentation
  Chaing Mai, Thailand
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] ループ素子で構成した周波数選択性反射板付ダイポールアンテナ2013
- Author(s)
  長敬三
- Organizer
  電子情報通信学会　アンテナ・伝播研究会
- Place of Presentation
  横須賀市勤労福祉会館ヴェルクよこすか，神奈川
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数選択性反射板付ダイポールアンテナの反射板素子形状による放射特性への影響
- Author(s)
  谷澤佑亮，長　敬三，宗　秀哉，安藤篤也，杉山隆利
- Organizer
  2015年電子情報通信学会総合大会
- Place of Presentation
  立命館大学びわこ・くさつキャンパス（滋賀県草津市）
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] 周波数選択板を用いたマルチバンドアンテナにおける反射帯域外の FSS からの不要反射低減の検討
- Author(s)
  宗秀哉, 安藤篤也, 杉山隆利, 長敬三
- Organizer
  2015年電子情報通信学会総合大会
- Place of Presentation
  立命館大学びわこ・くさつキャンパス（滋賀県草津市）
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Design for suppressing undesired reflections from frequency-selective surfaces employed in multiband sector antenna
- Author(s)
  H. So, A. Ando, T. Sugiyama, and K. Cho
- Organizer
  IEEE AP-S/URSI 2015
- Place of Presentation
  Vancouver, Canada
- Year and Date
  2015-07-20 – 2015-07-24
- Data Source
  KAKENHI-PROJECT-25420381
[Presentation] Influence of FSR Element Shape on FSR Backed Dipole Antenna Applied to Mobile Base Station Antenna
- Author(s)
  K. Cho, H. So, A. Ando, and T. Sugiyama
- Organizer
  IEEE AP-S/URSI 2015
- Place of Presentation
  Vancouver, Canada
- Year and Date
  2015-07-20 – 2015-07-24
- Data Source
  KAKENHI-PROJECT-25420381

1. 道下尚文 (30535357)

# of Collaborated Projects : 1results

# of Collaborated Products : 3results
2. 水津光司 (20342800)

# of Collaborated Projects : 1results

# of Collaborated Products : 0results
3. 内海秀幸 (10316804)

# of Collaborated Projects : 1results

# of Collaborated Products : 0results
4. 中林寛暁 (20296320)

# of Collaborated Projects : 1results

# of Collaborated Products : 0results
5. 枚田明彦 (40500674)

# of Collaborated Projects : 1results

# of Collaborated Products : 0results
6. 陶良 (60327161)

# of Collaborated Projects : 1results

# of Collaborated Products : 0results

Cho Keizo 長 敬三

Research Projects

Research Products

Co-Researchers

Nondestructive diagnosis of buildings by frequency shifted terahertz wavesOngoing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

平面型周波数分散性移相器構成法の研究Principal InvestigatorOngoing

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of multi-band base station antenna using frequency selective reflector for mobile communication systemsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] HPBW control of dipole antenna with frequency selective reflector using different size elements2016

Author(s)

Journal Title

DOI

Data Source

[Presentation] 周波数選択性反射板で構成したコーナリフレクタアンテナにおけるアンテナ構造と放射特性の関係2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Radiation Characteristics of Corner Reflector Antenna Employing Frequency Selective Surface2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] 周波数選択性反射板を用いたコーナリフレクタアンテナの半値角特性2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] CRLHコプレーナストリップ線路で構成した漏れ波アンテナのSパラメータによる右手・左手系動作解析2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Transmission Characteristic Comparison between Right and Left Handed Leaky Wave Antennas Composed of CRLH Coplanar Strip Line2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Circuit Parameters Maximizing Phase Dispersion of Frequency Dispersive Phase Shifter for MultiBand Base Station Antenna2016

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] FSR を用いたマルチバンド反射板付ダイポールアンテナにおけるFSR 素子形状による共用アンテナ指向性への影響2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] 周波数選択性反射板付ダイポールアンテナの反射板素子形状による放射特性への依存性2015

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Element shape of FSR backed dipole antenna suitable for obtaining sector radiation pattern2015

Author(s)

Organizer

Place of Presentation

Year and Date

Cho Keizo 長敬三