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Huu Hoang L.

Huu Hoang L.

PhD in Electrical and electronics engineering

I am an experienced antenna and high-frequency hardware scientist with 6-years experience of working on applied electromagnetic systems and wireless power transfer systems. My skills include: 1, Computational electromagnetic and antenna theory: - Applied the method of moments (MoM) in radiating (scattering) field calculations. - Applied electric (magnetic) field integral equation (EFIE-MFIE). - Antenna array synthesis. 2, Antenna and microwave techniques for wireless communication systems: - Array antenna, metasurface-based antenna, microstrip-based monopole antenna. - Dual-polarized antenna, circular-polarized antenna. - Microwave power divider (equal and unequal distribution). - Microwave couplers, filters. - Microwave power amplifiers. - Analog and digital beamforming techniques. - Radar cross section analysis. 3, Antenna and microwave techniques for wireless power transfer systems: - Spiral coil for free-positioning wireless power transfer, efficiency of up to 98% in mid-range transmission distance. - Miniaturized antennas for biomedical wireless power transfer. - Human safety and potential noise analysis of high-frequency high-power wireless power transfer systems. - sub-GHz and low-GHz transmitting antennas for high-performance wireless power transfer to biomedical implants. - Impedance matching techniques for power transfer efficiency improvement. 4, Power converters for wireless charging system - DC/AC and AC/DC power converters. - PWM modulation. 5, EMI reduction method. - Radiation emission reduction using multiple transmitting coils technique. - Spread spectrum modulation technique. 6, Quantum energy storing technique - Spin chain quantum battery. - Micromaser quantum battery. - Superconducting quantum bits. 7, Verification tools Antenna and microwave simulations - ANSYS Electronics Desktop (HFSS). - CST Studio Suite. - ANSYS Maxwell. - Keysight Advanced Design System (ADS). Power electronics simulation - PSIM - Matlab Simulink Programming language - MATLAB, Python, C. Measurement devices: - Vector network analyzer, high-frequency spectrum analyzer, high-frequency signal generator. - Oscilloscope. - Anechoic chamber. 8, Writing and reviewing experiences: - IEEE Antenna and Wireless Propagation letter, IEEE Microwave and Wireless Technology letter, IEEE Access. - IEEE Transactions on Antenna and Propagation, - IEEE Transactions on Microwave Theory and Techniques, - IEEE Transactions on Power Electronics, - IEEE Transactions on Industrial Electronics, - IEEE Transactions on Circuit and Systems - I - Springer Scientific Reports. - Manuscript preparation using Latex.

🇻🇳Phu Tho, Vietnam$15/hr100% JSS5.00 (3)Since Jan 2024

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#321,904 / 412k
🇻🇳Country#2,605 / 3,463
Revenue, last 30 days
$0
Total earnings
$2.3k

Billed in all: $2.3k

World#321,904 / 412k
🇻🇳Country#2,605 / 3,463
Per project
$382
Projects, last 6 months
0
World#209,850 / 412k
🇻🇳Country#1,978 / 3,463
Projects in all
6

Across 7 contracts

86% fixed14% hourly
World#250,290 / 412k
🇻🇳Country#2,168 / 3,463

Earnings, last 30 days

$2.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,250$2,275$2,300$2,325Oct 8Oct 23Nov 7

Skills