HKU Scholars Hub: ResearcherPage Statistics

ResearcherPage Statistics: Leon Lei, Chi Un

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Region	#
AS - Asia	4442
NA - North America	2753
EU - Europe	2140
AF - Africa	439
OC - Oceania	255
HKU - The University of Hong Kong	246
SA - South America	23
UND - Undefined	117
Total	10415

Country	#
US - United States	2689
CN - China	1888
GB - United Kingdom	865
SG - Singapore	828
KR - Republic of Korea	609
IE - Ireland	544
HK - Hong Kong	500
ZA - South Africa	346
JP - Japan	338
NL - Netherlands	280
OTH - Others	1528
Total	10415

City	#
Ashburn	1170
Singapore	786
Dublin	541
Beijing	476
Johannesburg	346
Tokyo	252
Amsterdam	249
The University of Hong Kong	246
Sydney	227
Central	172
Others	5950
Total	10415

Development of a reliability course for emerging circuits and systems	55
Binomial American option pricing on CPU-GPU hetergenous system	45
GPU-accelerated non-linear analog and mixed-signal circuit transient simulation	39
SIM-DSP: A DSP-Enhanced CAD Platform for Signal Integrity Macromodeling and Simulation	35
Simple computational method of predicting electrical characteristics in solar cells	78
A common subexpression sharing approach for multiplierless synthesis of multiple constant multiplications	31
Efficient complex continuous-time IIR filter design via generalized vector fitting	173
Ultra wideband antennas: past and present	255
A Fault-tolerant 32 nm CMOS Double Sideband Amplitude Suppressed Carrier Modulator-Demodulator Circuit Implementation	44
Using Log Data to Evaluate MOOC Engagement and Inform Instructional Design	78
DATICS-2010: Welcome message from workshop organizers: FutureTech 2010	69
Assuring system reliability in wireless sensor networks via verification and validation	60
Novel 2D linear-phase IIR filter design and application in noise removal	120
Low-cost global MPPT scheme for photovoltaic systems under partially shaded conditions	46
Designing A Collaborative Problem-Solving Activity to Prepare Students for Flipped Classroom	33
Teaching Internet of Things: Enhancing Learning Efficiency via Full-Semester Flipped Classroom	116
Applying Instructional Design in Engineering Education and Industrial Training: An Integrative Review	41
Energy Harvesting in Internet of Things	84
Design of 2D linear-phase IIR filters via schur decomposition and discrete-time vector fitting	210
HR approximation of FIR filters via discrete-time hybrid-domain vector fitting	184
Advancing MOOC and SPOC development via a learner decision journey analytic framework	157
Using Coh-Metrix to Analyse Writing Skills of Students: A Case Study in a Technological Common Core Curriculum Course	50
Multiplierless synthesis of multiple constant multiplications using common subexpression sharing with genetic algorithm	154
Evaluation of Developing Educational Chatbots Based on the Seven Principles for Good Teaching	78
Learners’ engagement with different types of MOOC videos	56
Building a smart laboratory environment at a university via a cyber-physical system	72
Engage Your Students Before Class: More Pre-Class Engagement for More Effective Flipped Classrooms	36
Evaluating the adoption of a badge system based on seven principles of effective teaching	97
Utility-Oriented Placement of Actuator Nodes with a Collaborative Serving Scheme for Facilitated Business and Working Environments	53
Text and content based image retrieval via locality sensitive hashing	48
Improving Teaching and Learning of Common Core Courses through Learning Management Systems and Learning Analytics	83
A common subexpression sharing approach for multiplierless synthesis of multiple constant multiplications	98
Optimal common sub-expression elimination algorithm of multiple constant multiplications with a logic depth constraint	125
LUOPAN: Light Utility-Oriented Placement of Actuator Nodes in Sensor/Actuator Networks	62
Wearable textile substrate patch antennas	36
Multiplierless polynomial-operator-based IIR filters for efficient VLSI implementation	152
VISA: Versatile impulse structure approximation for time-domain linear macromodeling	175
Efficient linear macromodeling via discrete-time time-domain vector fitting	216
Evaluation of a Lightweight Learning Analytics Tool in Moodle and edX: Preliminary Results	20
Automated MOOC/SPOC Learning Design Verification based on Instructional Design Theories	83
A concurrent error detection based fault-tolerant 32 nm XOR-XNOR circuit implementation	31
Responsive Remote Teaching Capacity Building in Hong Kong During COVID-19	17
Improving power-conversion efficiency via a hybrid MPPT approach for photovoltaic systems	78
On Vector Fitting methods in signal/power integrity applications	108
A WSN approach to unmanned aerial surveillance of traffic anomalies: Some challenges and potential solutions	94
Integration of a wireless sensor network project for introductory circuits and systems teaching	43
IJDATICS strategic plan	92
Digital IIR filter design for communication systems by discrete-time vector fitting	198
Evaluation of a lightweight learning analytics tool in Moodle and edX: Preliminary results	17
Sharing Experiences of Teaching and Learning During COVID-19: Building Responsive and Resilient Curriculum for the Next Normal	14
An Outcome-based Dashboard for Moodle and Open edX	160
Novel 2D linear-phase IIR filter design and application in noise removal	22
State-of-charge for battery management system via Kalman filter	49
VLSI macromodeling and signal integrity analysis via digital signal processing techniques	127
FIR filter approximation by IIR filters based on discrete-time vector fitting	194
Efficient linear macromodeling via least-squares response approximation	183
Efficient 2D linear-phase IIR filter design and application in image processing	122
Teaching Computational Thinking: Designing Students’ Learning Experience Through Blended Learning in Higher Education Engineering Courses in HKU	13
Building an intelligent laboratory environment via a cyber-physical system	73
A hybrid MPPT method for photovoltaic systems via estimation and revision method	69
Porting looCi from the Contiki platform to the Zigduino platform: An working approach	82
Synthesis of optimal OTA-C filter structures with arbitrary transmission zeros via MINLP	191
Preface of the 2011 IAENG International Conference on Electrical Engineering Special Session: Design, analysis and tools for integrated circuits and systems	64
Impact of computational thinking through coding in K-12 Education: a pilot study in Hong Kong	106
Developing a smart learning environment in universities via cyber-physical systems	53
WPSS: dropout prediction for MOOCs using course progress normalization and subset selection	102
Towards Automatic Assessments of Collaborative Writing on Wiki	34
Development of a Data-Oriented e-Learning Platform Based on the Community of Inquiry Framework	32
Non-repository Uses of Learning Management System through Mobile Access	16
Towards Better Grading: Promoting Grading Fairness with Assessment Decision Tree Visualization	42
Leveraging Videos and Forums for Small-class Learning Experience in a MOOC Environment	96
Non-repository Uses of Moodle through Mobile Access: Students’ Usage Patterns and Perceptions	54
Applying the problem-based learning approach in teaching digital integrated circuit design	94
Teaching introductory electrical engineering: project-based learning experience	182
Designing instructional videos and classwork activities: teaching internet of things via flipped classroom	96
Exploiting implicit information from data for linear macromodeling	56
Building a laboratory surveillance system via a wireless sensor network	49
Principle-guided flipped classroom implementation framework for teaching technological contents	90
Teaching introductory circuits and systems: enhancing learning experience via iterative design process and pre-/post-project learning activities	100
Advancements in using a machine design project for teaching introductory electrical engineering	58
MFTI: Matrix-format tangential interpolation for modeling multi-port systems	137
WISE: Warped impulse structure estimation for time-domain linear macromodeling	32
Using web 2.0 tools to enhance learning in higher education: A case study in technological education	41
Global optimization of common subexpressions for multiplierless synthesis of multiple constant multiplications	211
OP-DCI: A Riskless K-Means Clustering for Influential User Identification in MOOC Forum	84
Access Moodle Using Mobile Phones: Student Usage and Perceptions	171
Preface	85
Facilitating teaching CPS and technology-based content with learning management systems	30
Processor frequency assignment in three-dimensional MPSoCs under thermal constraints by polynomial programming	155
Is there a relationship between viewing of a client video and performance in an assignment in junior speech therapy students?	64
Improving Student Technical Skills Learning Experience: Designing Engineering Training with The First Principles of Instruction	67
Highly resilient minimal path routing algorithm for fault tolerant Network-on-Chips	53
VLSI macromodeling and signal integrity analysis via digital signal processing techniques	237
Formal Verification and Synthesis Of Null Conventional Logic Circuits	64
Efficient 2D linear-phase IIR filter design and application in image processing	52
Design, analysis, tools and applications for programmable high-speed and power-aware 4G processors	53
Automating assessment of collaborative writing quality in multiple stages: the case of wiki	104
Designing an Autonomous Vehicle System Design Course for COVID-19 Remote Learning under First Principles of Instruction Framework	22
Scale Out Teaching, Scale Up Learning: Professional Development For E-Teaching/ Learning	132
Efficient design of arbitrary complex response continuous-time IIR filter	142
Efficient 2D linear-phase IIR filter design and application in image filtering	116
Parallel Binomial American Option Pricing On CPU-GPU Hybrid Platform	56
Modeling and verification of NCL circuits using PAT	62
Access moodle using mobile phones: student usage and perceptions	94
Preface of the 2010 IAENG International Conference on Electrical Engineering special session: Design, analysis and tools for integrated circuits and systems	60
A decade of vector fitting development: Applications on signal/power integrity	156
Data-Assisted Instructional Video Revision via Course-Level Exploratory Video Retention Analysis	150
VLSI Implementation of Multiplierless Filters	197
CPU-GPU hybrid parallel binomial American option pricing	42
Assessing an online discussion forum using a conceptual framework guided by learning analytics	118
Design of hybrid continuous-time discrete-time delta-sigma modulators	197
IIR approximation of FIR filters via discrete-time vector fitting	192
Design and realization of a smart battery management system	67
Preface of the 2012 IAENG international conference on electrical engineering special session: Design, analysis and tools for integrated circuits and systems	24

	Tot	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun
2017/2018	1117	91	80	43	69	66	168	44	57	171	132	136	60
2018/2019	2024	166	86	108	61	195	192	162	155	110	217	369	203
2019/2020	1628	196	195	56	117	107	160	206	271	90	71	88	71
2020/2021	4302	820	1247	381	138	737	233	90	49	124	308	58	117
2021/2022	1342	31	51	20	260	383	184	134	53	48	121	45	12
2022/2023	2	2	0	0	0	0	0	0	0	0	0	0	0
Ever													10415