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FreeScopes Basic I — Learn Radar by Building the Signal Chain

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FreeScopes Basic I

FreeScopes Basic I is the foundation module of the SkyRadar FreeScopes environment. It introduces radar control, radar displays and first digital signal-processing steps in a browser-based workspace. Trainees work with live radar data, simulated scenarios or recorded measurements and observe how raw echoes become usable radar information.

For defence academies, civil aviation training organisations and engineering laboratories.

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Product in Action

See how trainees compare raw radar data with a moving-target indication processing result and observe the effect on the PPI display.

Training Advantages

  • Live, recorded and simulated radar data
  • Browser-based access for multiple concurrent trainees, scalable through the SkyRadar CloudServer architecture.
  • Measurements beyond 20 m with the NextGen 8 GHz Pulse Radar
  • Range resolution better than 11 cm
  • Practical signal-chain training instead of fixed black-box demonstrations

Typical laboratory exercises are often performed in the 0–10 m range. This is not the system limit: with the NextGen 8 GHz Pulse Radar, measurements beyond 20 m and range resolution better than 11 cm are supported, depending on setup.

Learn Radar by Working with the Signal

Radar training often separates theory from the signal-processing chain that makes radar behaviour visible. FreeScopes Basic I closes this gap. Trainees manipulate the signal path directly and observe how range, clutter, thresholds, filtering and target movement affect the display.

What Trainees Do

  • Connect to a radar, simulator or replayed data source
  • Observe raw radar returns in the A-Scope
  • Compare A-Scope, B-Scope and PPI representations
  • Suppress the radar source echo
  • Apply static thresholding and CFAR 1D
  • Analyse clutter and unwanted reflections
  • Use STC to understand range-dependent signal effects
  • Compare static and moving target returns with MTI
  • Inspect I/Q components, magnitude and DC suppression effects
  • Introduce FFT and Doppler-related interpretation

Main Functions

  • Radar or simulator data input
  • A-Scope, B-Scope and PPI visualisation
  • Raw signal observation
  • Source suppression
  • Static thresholding
  • CFAR 1D
  • STC
  • MTI
  • FFT 1D
  • I/Q data handling
  • Range measurement
  • Replay or recorded data analysis, where included

Where It Fits

Basic I → Basic II-VII → ATC / ECCM / AI / SkySim

Basic I provides the entry point, Basic II–VII form the broader foundational progression, and the specialised product families build beyond that foundation.

Who It Is For

  • Defence academies and military radar schools
  • Air-defence and surveillance training organisations
  • Civil aviation and ATSEP training organisations
  • Universities and engineering programmes with radar or signal-processing laboratories
  • Government and institutional training centres

Learning Outcomes

After working with FreeScopes Basic I, trainees understand how radar returns are acquired, displayed and processed. They can interpret basic radar scopes, build first processing chains, and explain how filtering, thresholding, clutter, range measurement and target movement influence radar displays.

Related Products

SkyRadar Modular Radar Training System

Start with the foundation module for practical radar signal-processing training.

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