LIU Haiwen (Haiwen Liu) - マイポータル

基本情報

所属: 旧所属早稲田大学大学院情報生産システム研究科客員研究助手

学位: 博士

J-GLOBAL ID: 200901086831076119
researchmap会員ID: 5000098267

研究キーワード

経歴

2004年 - 現在

Aug.,2004- Present Research Assistant, Waseda University, Japan.
2003年

Sept.,2003-Nov.,2003 Engineer(part-time), Beijing office of Siemens AG. Technical support to
2001年

Jan,2001-Aug.,2001 Project Engineer, Shanghai office of TÜV Rheinland Group(Germany).
2001年

Sept.,2001-Feb.,2002 Teaching Assistant, Electronics Engineering Dept., Shanghai Jiaotong
2000年

June,2000-Dec.,2000 Engineer, Collect Fees Business Center of China Mobile Communi. Corp. Design and optimization of mobile communi. network.
International safety approvals for electronic products.
University. Course tutor for graduate students.
global EXIDER campaign of Siemens Automotive & Drive Group.
Research on RF circuits and wireless communication system design.

委員歴

2004年

IEEE, member

受賞

MISC

Propagation characteristics of microstrip lines with 2D defected ground structures

HW Liu, XW Sun, ZF Li, T Yoshimasu

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING 16(3) 280-286 2006年5月
Comments on "characteristic impedance of a microstrip line using a dgs cell"

HW Liu

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 46(2) 191-191 2005年7月
Compact defected ground structure in microstrip technology

H Liu, Z Li, Sun, X

ELECTRONICS LETTERS 41(3) 132-134 2005年2月
Harmonic suppression with photonic bandgap and defected ground structure for a microstrip patch antenna

HW Liu, ZF Li, XW Sun, JF Mao

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS 15(2) 55-56 2005年2月
A novel direct parameter-extraction method for GaInP/GaAs HBTs small-signal model

HW Liu, XW Sun, ZF Li, JF Mao

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING 14(5) 447-452 2004年9月
An improved 1-D periodic defected ground structure for microstrip line

HW Liu, ZF Li, XW Sun, JF Mao

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS 14(4) 180-182 2004年4月
A novel fractal defected ground structure and its application to the low-pass filter

HW Liu, ZF Li, XW Sun

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 39(6) 453-456 2003年12月
A novel defected ground structure to improve the output power of a VCO

HW Liu, XW Sun, ZQ Cheng, ZF Li

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 38(4) 279-281 2003年8月
A novel photonic band-gap microstrip structures for low-pass filters of wide stop-band

HW Liu, ZF Li, XW Sun, JF Mao

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 37(6) 470-472 2003年6月
Coupling control in microstrip lines using a nonuniform bi-defected ground structure

Microwave and Optical Technology Letters 44(5): 475-477, 2005
Enhanced Hi-Lo microstrip lowpass filter using nonuniform defected ground structure(DGS) slots

Journal of Active and Passive Electronic Devices 1, 35-40, 2005
A novel microstrip diplexer using defected ground structure

Journal of Active and Passive Electronic Devices 2005 accepted
A novel two-dimensional (2-D) defected ground array for planar circuits

IEICE Transaction on Electronics E87-C (1):109-112, 2004
A low-pass filer of wide stopband with a novel multilayer fractal photonic bandgap structure

Microwave and Optical Technology Letters 40(5):431-432, 2004
Novel butterfly shape defected ground structure for microstripline

Journal of Infrared and Millimeter Waves 23 (6):431-435, 2004
Low-pass filters of wide stop-band based on photonic band-gap structures

Journal of Infrared and Millimeter Waves 23 (2): 135-138, 2004
A new parameter-extraction method for DGS and its application to the lowpass filter

Active and Passive Electronic Components 27(2):119-123, 2004
A novel, yet direct, parameter-extraction method for heterojuction bipolar transistors small-signal model

Acta Physica Sinica 52(9): 2298-2303, 2003
A low-pass filter of wide stopband with a novel dual-layer fractal photonic bandgap structure

Acta Physica Sinica 52(12):3082-3086, 2003
Design of K-band VCO with GaAs MESFET

Journal of Piezoelectrics & Acoustooptics 25(2):159-161, 2003

所属学協会

IEEE
IEEE

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