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P01 / research system / experimentally validated

Portable Microwave and Passive Wireless Sensing Platform

An integrated RF instrument connecting resonant sensing structures, VNA acquisition, electromechanical positioning and Python analysis.

2020-2024Northumbria University, United Kingdom
PHYSICS-TO-INSTRUMENT RESEARCH CHAINPortable Microwave and Passive Wireless Sensing Platform
01MATERIAL CHANGEacid / temperature / agglomeration
02PHYSICAL RESPONSEelectrical / mechanical / dielectric
03RF STRUCTUREpatch antenna / chipless resonator
04ACQUISITIONVNA / S11 / S21 / RCS
05PROCESSINGPython / signal and feature analysis
06MODELLINGRVE / networks / FEM / multiphysics
07APPLICATIONwireless SHM / deployable instrument

Material change becomes a measurable RF response, a computational interpretation and an engineering decision.

01

Problem or Industrial Need

Conventional material-health assessment can require contact, disassembly or laboratory processing that limits continuous industrial monitoring.

02

Engineering or Scientific Solution

A portable non-contact microwave sensing architecture that links passive RF structures, instrumentation, controlled positioning and computational analysis.

03

Sebastian's Technical Contribution

Designed, simulated, fabricated, integrated and validated the complete sensing architecture from electromagnetic structure to processed measurement.

04

Methods and Tools Used

  • Microstrip patch antennas and C-shaped chipless resonators
  • Vector network analysis and S-parameter acquisition
  • Electromechanical positioning and repeatability testing
  • Python-based processing and electromagnetic interpretation
05

Prototype, Simulation and Experimental Evidence

prototype

Integrated instrument

Portable sensing prototype combining RF, motion, acquisition and software subsystems.

experiment

Laboratory validation

Simulation, fabrication, calibration, repeatability testing and material-response experiments.

publication

Peer-reviewed research

The platform is supported by the connected PhD publication and validation programme.

06

Measurable Result or Published Finding

1

integrated portable platform

Patent-pending characterization system connecting physics, instrumentation and scientific software.

7

connected peer-reviewed papers

Experimental and computational findings spanning RF sensing, materials and multiphysics.

07

Diagrams and Publications

PHYSICS-TO-INSTRUMENT RESEARCH CHAINPortable Microwave and Passive Wireless Sensing Platform
01MATERIAL CHANGEacid / temperature / agglomeration
02PHYSICAL RESPONSEelectrical / mechanical / dielectric
03RF STRUCTUREpatch antenna / chipless resonator
04ACQUISITIONVNA / S11 / S21 / RCS
05PROCESSINGPython / signal and feature analysis
06MODELLINGRVE / networks / FEM / multiphysics
07APPLICATIONwireless SHM / deployable instrument

Material change becomes a measurable RF response, a computational interpretation and an engineering decision.

08

Role, Team Attribution, Institution and Project Context

Doctoral Researcher and system developer; Northumbria University, 2020-2024.

Connected work

P112020-2024

Computational Multiphysics and Experimental Validation

Problem
No single model explains how nanoscale morphology, transport, mechanics and electromagnetic response combine in a sensing material.
Solution
A computational stack that moves between RVE, resistor-network, diffusion, mechanical and electromagnetic models and closes the loop with experiments.
Evidence / result
Physics-to-instrument reasoning
FEM/FEARVEresistor networkdiffusion
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P032020-2024

VNA/NanoVNA Measurement and Python Processing Toolchain

Problem
RF experiments produce instrument data that must be acquired consistently, associated with controlled geometry and transformed into useful engineering evidence.
Solution
An end-to-end VNA/NanoVNA-class workflow combining acquisition, electromechanical positioning, Python processing, comparison and reporting.
Evidence / result
Laboratory-to-deployment workflow
VNA/NanoVNAPythonmeasurement automationS-parameters
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P042020-2024

Free-Space Microwave Characterization of CNT/Epoxy

Problem
CNT concentration changes electrical and dielectric behaviour, but a contactless method is needed to assess how those changes alter microwave response.
Solution
A free-space patch-antenna characterization method combining VNA measurements with finite-element electromagnetic analysis.
Evidence / result
Distinct field-region behaviour
free-space measurementpatch antennasVNAFEM
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