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SkySim Radar Simulator - Teaching Material

Mastering Plots and Tracks with FreeScopes: Techniques for Accurate Target Tracking (Video)

In today's video, we demonstrate how to create plots and tracks using FreeScopes.

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Integrating Real-World Radar Data with Simulations: SkySim’s Capabilities

One of the unique features of SkySim is its ability to integrate real-world radar data with simulations, providing an unparalleled training experience. This capability allows users to practice using actual radar signals in a controlled, simulated environment, offering the benefits of live data without the risks and complexities associated with real-world radar operations. This feature is particularly valuable in both civil aviation and defense settings, where radar operators must be able to transition smoothly from training to real-world operations.

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Radar Signal Processing: Understanding Clutter and Its Suppression Techniques

Radar clutter is a significant challenge in radar systems, particularly when attempting to detect legitimate targets in environments filled with unwanted reflections. Clutter comes from objects like buildings, trees, mountains, or even the sea surface, all of which can produce strong radar returns that obscure the objects radar operators actually want to track, such as aircraft or ships. The ability to suppress this clutter is critical for effective radar operation, especially in civil aviation and maritime surveillance.

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Coherent vs Non-Coherent Radar: Signal Processing in SkySim

Radar systems can be broadly categorized into two types: coherent and non-coherent. The key difference between these two systems lies in how they process the returning radar signals.

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Understanding Moving Target Indication (MTI) and Doppler Effect in SkySim

Tracking moving objects is one of the core functions of radar systems, particularly in applications like air traffic control (ATC) where detecting and following aircraft is vital for safety.

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Pulse Repetition Frequency (PRF) and Range Resolution: Optimizing Radar Systems in SkySim

Radar systems rely on transmitting pulses of electromagnetic energy and receiving the reflections from targets to determine their location and movement. Two critical parameters in this process are Pulse Repetition Frequency (PRF) and range resolution.

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Mastering Radar Cross Section (RCS): Real-World Applications with SkySim

The Radar Cross Section (RCS) is a crucial factor in radar systems, as it determines how detectable an object is. In simple terms, RCS is a measure of how much radar energy a target reflects back to the radar receiver. This reflection varies based on the size, shape, material, and orientation of the object. Objects with larger RCS values, such as aircraft or ships, tend to reflect more radar signals and are therefore easier to detect. Conversely, smaller objects or those designed to absorb radar waves (like stealth aircraft) have lower RCS and can evade detection more easily.

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Radar Antennas in Action: Analyzing Beamwidth and Polarization with SkySim

Radar antennas are a critical component of any radar system, determining how radar signals are transmitted and received. In radar technology, two key properties of antennas are beamwidth and polarization, both of which directly affect the radar’s ability to detect and track targets. SkySim provides a hands-on platform for exploring these properties, allowing users to adjust antenna configurations and observe how they influence radar performance.

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Target Simulation: Building Complex Scenarios with SkySim

Radar target simulation is a fundamental part of understanding radar system operations, and SkySim offers an advanced platform for building and experimenting with these scenarios. In both civil and military radar applications, the ability to simulate various target behaviors and characteristics is critical for training and testing radar performance in real-world environments.

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Exploring the Basics: Radar Noise and Its Suppression in SkySim

Radar systems are highly sensitive to external signals, and while this sensitivity allows them to detect targets at great distances, it also makes them vulnerable to noise. Noise, in radar terminology, refers to unwanted signals that interfere with the radar's ability to detect legitimate targets. These unwanted signals can come from various sources, such as thermal emissions, electronic interference, and atmospheric conditions.

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Exploring the Electronic Warfare Extension of SkySim: Jamming and Disturbance Filtering

This article explores SkySim's Electronic Warfare extension, simulating radar jamming techniques and countermeasures with FreeScopes for advanced disturbance filtering and analysis.

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SkySim: A Comprehensive Radar Simulation Tool for Civil Applications

SkySim is a sophisticated radar simulator designed specifically for training and educational purposes. Unlike military-focused simulators, SkySim centers its capabilities around civil radar applications, including air traffic control (ATC) and various civilian surveillance tasks. SkySim allows users to explore the intricacies of radar technology in a controlled environment, making it a powerful tool for students, engineers, and researchers looking to understand and implement radar systems.

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FreeScopes Disturbance Filtering I: A Vital Tool for Military EW Training

As electronic warfare (EW) becomes increasingly central to modern defense strategies, military academies and training centers must equip their students with the skills to defend critical systems against sophisticated electronic attacks. SkyRadar’s FreeScopes ATC Disturbance Filtering and Analysis I is specifically designed to meet this need, offering an advanced suite of tools to detect and counter various forms of radar jamming and deception. This software extension is targeted at military training institutions focused on developing proficiency in electronic counter-countermeasures (ECCM) for air traffic control (ATC) systems.

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Electronic Warfare: Detailed Video on the Doppler Phase Shift Enhanced Disturbance Filter

The following video explores the Doppler Phase Shift Enhanced Disturbance Filter, a sophisticated approach designed to improve radar accuracy and effectively detect jamming.

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Electronic Warfare: Doppler Phase Shift Enhanced Disturbance Filter

The Doppler Phase Shift Enhanced Disturbance Filter (EDF) is an advanced radar signal processing system designed to effectively handle jammed radar data. It utilizes sophisticated algorithms to distinguish genuine radar reflections from jamming signals, thereby enhancing the radar's ability to accurately detect and track targets even in hostile environments.

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Video: Live Radar, Simulator, DSP, SMC, Virtual Reality - How does it all work together?

Many new components  come together to form a comprehensive training system for ATSEP and military ATC qualification. This video provides an overview and shows how all fits together.

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Electronic Warfare: Range Gate Pull Off - Kalman-based Countermeasures in FreeScopes (Video)

The Enhanced Kalman Disturbance Filter is a feature developed by SkyRadar. It is part of its training radar system, designed to detect and handle range deception data using the Kalman Filter and the most recent RGPO detection features. This block includes several sub-functions, each serving a specific purpose in the processing of incoming radar reflections to identify and manage potential range deceived targets.

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Electronic Warfare: Range Gate Pull Off - MTD-based Countermeasures in FreeScopes (Video)

This article introduces an enhanced radar filter designed for training, with features for detecting range deception, incorporating moving target detection and target association for improved accuracy.

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Electronic Warfare: Range Gate Pull Off - Clutter-Map & MTI-based Countermeasures in FreeScopes (Video)

In this article we show a video on RGPO-counter-measures enhanced by an MIT and by a Cluttermap in a comparison. We conducted the RGPO with SkySim and the Electronic Warfare extension. The electronic counter-countermeasures are part of the FreeScopes Library.

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Setting Radar Frame Rate and Antenna Rotation Speed in the SkySim Technical Radar Simulator (Video)

SkySim provides simple settings for ATSEP and military radar qualification. Inhouse and distance learning are possible. This video shows in a short scene how to configure radar rotation speed and frame rate. Once set, it will change for all concurrently learning students.

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Electronic Warfare - Detecting Range Gate Pull Off (RGPO) (VIDEO)


The RGPO Detection Block is an essential component of a radar system designed to detect and handle range deception data.

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NextGen A-Scope Data Displayed in FreeScopes and in an Oscilloscope (Video)

In this video we show how you can display data from a live radar in FreeScopes, on an Oscilloscope or on virtual instruments in a distributed control system.

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Clutter-Map and Clutter-Map-Subtraction Implemented in FreeScopes (Video)

In air traffic control, managing radar clutter is essential for ensuring both safety and operational efficiency. This article provides an in-depth look at the use of clutter maps and clutter-map-subtraction techniques, which are employed to filter out stationary and irrelevant objects from radar displays. By focusing on these advanced filtering methods, the article aims to shed light on how radar systems are optimized to allow air traffic controllers to concentrate on tracking moving aircraft.

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Understanding Hastened and Delayed Range Deception in Electronic Warfare: Strategic Implications and Training Solutions (Videos)

Range Deception is a relevant approach used by aircraft and drones to deceive the supervising radars. 

Explore the intricacies of Range Deception in Electronic Warfare—a tactic used by aircraft and drones to mislead enemy radars. Learn how altering radar signal timings can affect an adversary's ability to accurately locate and target. Understand the strategic implications and countermeasures in this evolving field.

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The Role of the Doppler Filter in Radar Imaging (Video)

Explore Doppler filtering in radar imaging using SkyRadar's FreeScopes ATC II and SkySim. See how it refines target identification and reduces false alarms.

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FreeScopes and SkySim Release 7.7.0 comes Feb. 28, 2023

The new release 7.7.0 for FeeScopes and SkySim comes on Feb 28, 2023. It includes major improvements in ATC I and extensions of ATC II. Disturbance Filtering & Analysis I and 2 SkySim packages are joining the product family.

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Electronic Warfare - Uncovering Range Deception with Pulse Compression and Pulse Doppler

Drones and military aircraft try to hide their real positions through deception jamming. The following videos show successful detection with pulse compression and alternatively pulse Doppler, and subsequent detection algorithms.

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SkySim - Defeating Range Deception Successfully (Video)

In this video we show how a sequence of defense algorithms can defeat a range deception attack.

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Range Gate Pull-Off - the Dirty Trick of Range Deception Jamming (Video)

This video describes how deception jammers lock on radars and then drag them away from the real target.

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Range Deception Scenario in SkySim - See How Intelligent Jamming Attacks Work (Video)

Typically, when sophisticated drones or warplanes approach in enemy territory, they cover their real location through a DRFM jammer. They are more intelligent and difficult to dismantle than the classical noise jamming.

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SkySim - Radar Simulator with Moving Target Indication MTI (Video)

This video introduces into the MTI algorithm in SkySim - the technical radar simulator.

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Record & Replay in FreeScopes - Possibilities to Enhance Your Training Arrangements (Video)

This video shows the record and replay function and suggests learning arrangements where record and replay can enable new learning arrangements.

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SkySim - Noise Jamming with SkyRadar's Technical Radar Simulator

This video shows SkySim's noise jamming features. It's the most common and most simply approach of jamming. It is also the easiest to detect and uncover.

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SkySim - Feature Overview of SkyRadar's Technical Radar Simulator (Video)

This video describes the features of the technical radar simulator.

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Barrage-Noise Jamming Detection with FreeScopes

SkyRadar's FreeScopes module "Disturbance Filtering & Analysis I" provides two algorithms for barrage jamming detection.

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Cleaning A-Scope and PPI from Barrage Jamming Attacks

The following video shows how to react on barrage jamming attacks. We generate the inputs with the SkySim Radar and Jamming Simulator.

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Spot and Barrage Jamming - A Training Solution For Military And Homeland Security Qualification (Videos)

This article looks at spot jamming and barrage jamming and describes how these jammers and electronic counter counter measurres are implemented in SkyRadar's  FreeScopes DSP environment.

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