Guanxing Wang

Guanxing Wang

Radar Sensing · Signal Processing · Machine Learning · 3D Reconstruction

gxwang111@gmail.com
(+64) 2040575577
Auckland, New Zealand

Research Profile

PhD candidate in Information and Communication Engineering, specializing in radar sensing, signal and image processing, machine learning, and 3D reconstruction. Experienced in mmWave radar, UAV-based sensing, self-supervised learning, multi-view reconstruction, and real-world sensor data acquisition. Participated in 10+ national-level research projects and published 5 SCI journal papers, with 3 first-author manuscripts currently under review.
Research Interests
Radar & mmWave Sensing Signal Processing Machine Learning Multimodal Sensing UAV / Remote Sensing 3D Reconstruction

Research Experience

Radar Signal Processing and Intelligent Sensing

PhD Research 2020 – Present

Research on radar signal processing, intelligent sensing, image enhancement, and 3D reconstruction under low-SNR and complex observation conditions.

  • Signal Processing: Developed signal processing methods for non-stationary and low-SNR radar observations.
  • Detection & Estimation: Developed weak-target detection and nonlinear parameter estimation methods for robust motion estimation and high-precision imaging.
  • Self-Supervised Enhancement: Developed self-supervised methods for radar signal and image denoising without requiring clean reference data.
  • Learning-Based Perception: Investigated Transformer-based methods for learning representations from radar observations.
  • 3D Sensing: Developed multi-view reconstruction methods for sparse and noisy observations.
Radar imaging and reconstruction

UAV-Based Radar Sensing and 3D Reconstruction

NSFC Distinguished Young Scholars-Funded Project Core Researcher 2020 – 2023

Developed UAV-based radar sensing, signal processing, image enhancement, and 3D reconstruction methods for complex real-world environments.

  • Data Acquisition: Conducted 40+ UAV sorties at 170–260 m for real-world radar sensing and data collection.
  • Signal & Image Processing: Developed physics-based motion estimation and self-supervised denoising methods for low-SNR and complex-motion observations, improving SNR by 10–15 dB.
  • 3D Reconstruction: Developed multi-view reconstruction methods using ADMM-Net and 3DGS, achieving sub-meter reconstruction accuracy for representative urban scenes.
  • Real-World Validation: Conducted 100+ experiments using TB-scale real sensor data collected in complex environments.
UAV radar sensing

mmWave Radar-Based Human Activity Recognition

Human Activity Recognition Core Researcher 2022 – 2024

Developed mmWave radar-based human gesture recognition methods covering sensor data acquisition, signal processing, feature extraction, and learning-based classification.

  • Data Acquisition: Built an AWR1642 mmWave radar sensing system and collected data from 10 gesture classes.
  • Signal Processing: Applied filtering and CFAR detection to extract range, velocity, and angle features.
  • Feature Learning: Developed a dual-branch network to fuse complementary radar features for dynamic gesture classification.
  • Results: Achieved >94.5% recognition accuracy through data augmentation and model optimization.
mmWave radar sensing

Intelligent Radar Perception of Celestial Targets

National Natural Science Foundation of China Core Researcher

Developed radar observation modelling, target parameter estimation, sparse imaging, and intelligent perception methods for challenging low-SNR and sparse-observation scenarios.

  • Observation Modelling: Investigated multi-dimensional sensing mechanisms using multi-frequency, multi-polarization, and multi-station observations.
  • Target Estimation: Developed high-precision parameter estimation and imaging methods using physical priors and sparse observations.
  • Learning-Based Imaging: Combined sparse reconstruction with deep learning to improve reconstruction quality under challenging observation conditions.
  • Experimental Validation: Participated in extensive real-world sensor experiments, covering data acquisition, algorithm validation, and empirical analysis.
Radar perception

Selected Publications & Patents

Education

Beijing Institute of Technology
Sep. 2020 – Mar. 2027 (Expected)
PhD in Information and Communication Engineering
Research focus: radar sensing, signal and image processing, image enhancement, and 3D reconstruction.
University of Auckland
Dec. 2025 – Dec. 2026
CSC-Sponsored Joint PhD Training in Computer Science and Artificial Intelligence
Research focus: machine learning, image enhancement, 3D reconstruction, and sparse-view reconstruction.
Beijing Institute of Technology
Aug. 2016 – Jun. 2020
BEng in Electronic Information Engineering
GPA: 3.95/4.0, Top 5%

Relevant Coursework: Signals and Systems, Digital Signal Processing, Communication Principles.

Technical Skills

Radar & Sensing
  • Radar Signal Processing
    • Target detection and parameter estimation
    • CFAR detection
    • Time-frequency analysis
    • SAR / ISAR imaging
    • Low-SNR signal enhancement
  • Sensing Systems
    • mmWave radar
    • UAV-based sensing
    • Multi-view sensing
    • Real-world sensor data acquisition
Machine Learning & Imaging
  • Deep Learning
    • Self-supervised learning
    • Transformer
    • Diffusion models
    • CNN-based feature learning
  • Image Processing
    • Image enhancement and denoising
    • Sparse image reconstruction
    • Structure-preserving reconstruction
3D Sensing & Reconstruction
  • 3D Reconstruction
    • Multi-view reconstruction
    • Sparse-view reconstruction
    • NeRF
    • 3D Gaussian Splatting (3DGS)
    • ADMM-based deep unfolding
Programming & Tools
  • Programming
    • Python / PyTorch
    • MATLAB
    • C / C++
  • Software & Hardware
    • CST Studio / FEKO
    • MeshLab / COLMAP
    • STK
    • mmWave radar / LiDAR
    • Anechoic chamber experiments

Honors & Awards

Leadership & Activities

Summer Teaching Volunteer Program, China

Project Leader
  • Initiated and organized educational outreach programs in rural areas, coordinating volunteer recruitment, curriculum design, school engagement, and team management.
Teaching volunteer program

American Heart Association & Beijing Red Cross

First Aid Instructor
  • Delivered CPR and first-aid training to more than 1,000 participants across universities, companies, and public events.
First aid training
Contact

If you are interested in my research, potential collaboration, or postdoctoral opportunities, please leave a message below. Your message will be sent directly to my email.