Wen CHANG


A Varactor-Based All-Digital Multi-Phase PLL with Random-Sampling Spur Suppression Techniques
Chia-Wen CHANG Kai-Yu LO Hossameldin A. IBRAHIM Ming-Chiuan SU Yuan-Hua CHU Shyh-Jye JOU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/04/01
Vol. E99-C  No. 4  pp. 481-490
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
all-digital phase-locked loopdigitally controlled oscillatorlow voltagespur suppressionlow jitterlow spur
 Summary | Full Text:PDF(2.2MB)

A Near-Threshold Cell-Based All-Digital PLL with Hierarchical Band-Selection G-DCO for Fast Lock-In and Low-Power Applications
Chia-Wen CHANG Yuan-Hua CHU Shyh-Jye JOU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 882-891
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
all-digital phase-locked loophierarchical digitally controlled oscillatorslow voltagelow powerfast lock-inlow jitter
 Summary | Full Text:PDF(3.6MB)

Correction of Dechirp Distortion in Long-Distance Target Imaging with LFMCW-ISAR
Wen CHANG Zenghui LI Jian YANG Chunmao YEH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2552-2559
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
dechirp distortion phenomenon (DDP)inverse synthetic aperture radar (ISAR)linear frequency modulation continuous wave (LFMCW)long-distance target imaging
 Summary | Full Text:PDF(2.2MB)

A Novel Concept for Simplified Model of a Three-Phase AC-DC Converter Using PFC-Controlled Property
Kuo-Hsiung TSENG Tuo-Wen CHANG Ming-Fu HUNG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/10/01
Vol. E94-A  No. 10  pp. 1937-1947
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
simplified modelsthree-phase AC-DC converterPFC-Controlled propertysimplification stepsPWM control strategy
 Summary | Full Text:PDF(3MB)

Design of a Deblocking Filter for Both Objective and Subjective Metrics
Ying-Wen CHANG Yen-Yu CHEN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 2038-2040
Type of Manuscript:  Special Section LETTER (Special Section on Signal Processing)
Category: 
Keyword: 
blocking artifactDCTshift block
 Summary | Full Text:PDF(184.7KB)