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CourseDefense, Military Engineering & Land Systems Applications open

Diploma in RAM Materials and Stealth Techniques

Online postgraduate diploma of 800 hours in radar-absorbing materials (RAM) and stealth techniques. 8 modules covering the electromagnetics of materials, radar cross section, resonant absorbers, absorbing materials, material characterisation, reflectivity measurement, and manufacturing, durability and regulation, with an assigned technical tutor.

Duration6–8 months
ModeOnline
LanguageEnglish
Start datesSet by the faculty
AwardSEIUM Institute diploma
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Learning outcomes

What you will be able to do

01

Understand how electromagnetic waves interact with absorbing materials.

02

Characterise the dielectric and magnetic properties of materials.

03

Design multilayer and broadband absorbing structures.

04

Analyse radar cross section using electromagnetic simulation.

05

Apply standardised reflectivity measurement procedures.

06

Take into account durability, manufacturing and export control aspects.

07

Critically assess the state of the art in low-observable materials.

Profile

Who it's for

  • Electromagnetic materials engineers.
  • Electromagnetic compatibility engineers.
  • Radio-frequency measurement specialists.
  • Metamaterials researchers.
  • Anechoic chamber engineers.
  • Technology export control analysts.
  • Engineering or science graduates looking to move into the defence sector.
Standards & tools

What you'll work with

  • IEEE 1128 (evaluation of radio-frequency absorbers)
  • IEEE 1502 (radar cross section test procedures)
  • ASTM D5568 (permittivity and permeability in waveguide)
  • MIL-STD-461G (electromagnetic compatibility)
  • Regulation (EU) 2021/821 (dual-use items)
  • ITAR (22 CFR 120-130)
  • CST Studio Suite
  • ANSYS HFSS
  • Altair FEKO
  • COMSOL Multiphysics
  • Keysight PathWave
Syllabus

8 modules

  1. 1.1Maxwell's equations in material media
  2. 1.2Complex permittivity and permeability
  3. 1.3Dielectric and magnetic losses
  4. 1.4Intrinsic impedance and matching
  5. 1.5Reflection and transmission at interfaces
  6. 1.6Skin depth
  7. 1.7Frequency dispersion
  8. 1.8Anisotropic media
  9. 1.9Wave polarisation
  10. 1.10Practical exercise: calculating reflection at an interface
  1. 2.1Definition and units of radar cross section
  2. 2.2Specular scattering and diffraction
  3. 2.3Surface and edge waves
  4. 2.4Canonical geometries
  5. 2.5Physical optics and the geometrical theory of diffraction
  6. 2.6Method of moments
  7. 2.7Frequency dependence
  8. 2.8Bistatic radar cross section
  9. 2.9Reduction by shaping: general principles
  10. 2.10Lab: simulating canonical geometries
  1. 3.1Salisbury screen
  2. 3.2Dallenbach absorbers
  3. 3.3Multilayer Jaumann absorbers
  4. 3.4Frequency selective surfaces
  5. 3.5Circuit analogue absorbers
  6. 3.6Bandwidth and the Rozanov limit
  7. 3.7Angular dependence
  8. 3.8Thickness optimisation
  9. 3.9Structural absorbers
  10. 3.10Practical exercise: designing a multilayer absorber
  1. 4.1Ferrites and carbonyl iron powders
  2. 4.2Carbon fillers and nanotubes
  3. 4.3Conductive polymers
  4. 4.4Structural absorbing composites
  5. 4.5Loaded foams
  6. 4.6Paints and coatings
  7. 4.7Metamaterials and metasurfaces
  8. 4.8Tunable materials
  9. 4.9Graphene and two-dimensional materials
  10. 4.10Case study: selecting a material for a frequency band
  1. 5.1Waveguide methods to ASTM D5568
  2. 5.2Coaxial line
  3. 5.3Free space
  4. 5.4Resonant cavities
  5. 5.5Open-ended coaxial probe
  6. 5.6Vector network analysers
  7. 5.7TRL calibration
  8. 5.8Measurement uncertainty
  9. 5.9Parameter extraction
  10. 5.10Lab: dielectric characterisation in waveguide
  1. 6.1Anechoic chambers
  2. 6.2NRL arch
  3. 6.3IEEE 1128 procedures
  4. 6.4Compact ranges
  5. 6.5Measurements to IEEE 1502
  6. 6.6Calibration with reference targets
  7. 6.7Time and aperture processing
  8. 6.8Diagnostic ISAR imaging
  9. 6.9Measurement repeatability
  10. 6.10Practical exercise: reflectivity measurement with the NRL arch
  1. 7.1Coating application processes
  2. 7.2Thickness and quality control
  3. 7.3Environmental ageing
  4. 7.4Erosion and maintenance
  5. 7.5In-service repairs
  6. 7.6Compatibility with other functions
  7. 7.7Technology export controls
  8. 7.8Ethics of defence research
  9. 7.9Civil uses: electromagnetic compatibility
  10. 7.10Case study: durability plan for a coating
  1. 8.1Definition of requirements
  2. 8.2Material selection
  3. 8.3Electromagnetic design
  4. 8.4Performance simulation
  5. 8.5Characterisation plan
  6. 8.6Manufacturability analysis
  7. 8.7Durability assessment
  8. 8.8Technical conclusions
  9. 8.9Report and presentation
  10. 8.10Final project: final review with the tutor
Methodology, software & labs

How you'll learn

100% online training on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. There are no fixed timetables: you progress at your own pace within the intake, so the programme fits around your job.

Each module combines theory, guided reading of the original standard and applied exercises. The working software is CST Studio Suite, ANSYS HFSS, Altair FEKO, COMSOL Multiphysics and Keysight PathWave, in free, academic or evaluation versions. Exercises are based on real procedures: reflectivity measurement using the NRL arch method, dielectric characterisation of a composite and radar cross section simulation of canonical geometries. Assessment is continuous by module, plus the final project.

Standards covered: IEEE 1128, IEEE 1502, ASTM D5568, MIL-STD-461G, Regulation, ITAR.

Assigned technical tutor:every module ends with a deliverable that your tutor marks individually.
Standards-based learning:guided reading of IEEE 1128, IEEE 1502 and ASTM D5568 applied to real cases, not as a theoretical annex.
Industry software:CST Studio Suite, ANSYS HFSS, Altair FEKO, COMSOL Multiphysics and Keysight PathWave, in free, academic or evaluation versions.
Final project:an absorbing materials project, from requirements and material selection to electromagnetic design, simulation, characterisation and durability assessment, reviewed by your tutor.
Flexible format:100% online, no fixed timetables, compatible with full-time work.
Capstone project

Build it end to end

Your final project follows the real engineering workflow, step by step, reviewed by your tutor.

Requirements and material selection
Define the frequency band and performance requirements and select candidate absorbing materials.
Absorber design
Design a multilayer absorber and optimise layer thicknesses.
Electromagnetic simulation
Simulate reflectivity and radar cross section with CST, HFSS or FEKO.
Characterisation plan
Plan waveguide and NRL arch measurements to ASTM D5568 and IEEE 1128.
Final project
Deliver the absorber design with manufacturability and durability assessment, reviewed by your tutor.
Career opportunities

Where this takes you

Electromagnetic Materials EngineerElectromagnetic Compatibility EngineerRadio-Frequency Measurement SpecialistMetamaterials ResearcherAnechoic Chamber EngineerTechnology Export Control Analyst
Admissions & scholarships

Requirements

  • Prior technical training or professional experience in the sector. No university degree is required.
  • An internet connection and a computer capable of running the programme software.
  • English sufficient to read technical standards.

Ready to start?

Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.

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FAQ

Frequently asked questions

The programme totals 800 hours over 6–8 months. You set your own pace within each intake, and your tutor helps you plan the workload around your job.

You work with CST Studio Suite, ANSYS HFSS, Altair FEKO, COMSOL Multiphysics and Keysight PathWave, using free, academic or evaluation versions. Your tutor indicates the free alternative wherever one exists.

A SEIUM Institute diploma, awarded on passing the continuous assessment and the final project. It is SEIUM's own qualification, not an official state degree; its recognition depends on the programme completed and the regulations of each country.

Yes. Modules passed are recognised in a higher programme in the same area (postgraduate diploma or master's). Ask about the recognition policy when you enrol.

Prior technical training or professional experience in the sector (no university degree required), a computer able to run the programme software, and English sufficient to read technical standards.

Start dates are set by SEIUM's faculty for each intake. Our admissions team will confirm the next available date when you apply.

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