Free Radar Simulation Software

VREX provides a high-fidelity radar system simulation that enables back-end testing in a test center environment without the front-end hardware. This innovative approach reduces the time and cost of sensor development in many ways.

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• National Instruments Radar Simulation
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• Radar Simulation Software Free

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The VV Simulator

The VV Simulator is a medium-fidelity ATC simulator that has been designed for the acquisition and consolidation of core ATC skills. Versions of the simulator are used in the VV Approach™ and VV Enroute™ training programs. Whilst the design purpose is for the use of the simulator as a practice tool for delivery of VV training methodologies, it is able to be configured for any radar/surveillance airspace, including:

• Approach (Terminal/TCU/TRACON) sectors
• Enroute (Area/Arrivals) sectors
• Flight Service (DTI/OCTA) sectors

The VV Simulator a cost-effective alternative to system simulators for recurrent, refresher and conversion training. In addition, when bundled with a step-wise training program, the VV Simulator is an ideal tool for the delivery of introductory sector training. Trainees will present for local simulation or on-the-job training phase with a significantly higher skill level, having been schooled in optimal and standard techniques for the sector, and having practiced them to perfection.

The simulator may be readily customized to local conditions, including options to change the interface, phraseology and procedures. The facility to print strips according to a defined format is available, or a paperless system may be used.

Features:

A full list of features is available in the product description. Customization to include functionality not already available can be readily included on a collaborative basis. For aircraft performance data, the VV simulator makes use of realistic profile information that has been validated against the Eurocontrol Aircraft Performance Database.

Designing Exercises:

Design of exercises for the VV Simulator is managed with the VV Exercise Creator (VVEC) tool. This program allows aircraft to be added from a library of standard flights, from a capture of AFTN data, or manually.

Once the aircraft have been selected, they may be placed in the scenario by a number of means, including:

• Setting the time an aircraft reaches a fix
• Setting the departure time
• Setting the landing time
• Setting the position of the aircraft at the start of the scenario

Scenario objectives including conflict-generation and workload intensity may be assessed by simply sliding the clock to any position in the scenario and viewing the position of the aircraft.

The VVEC enables exercise design, testing and moderation to be done quickly and easily by instructors without the need for specialized support staff. A random generator is available, as well as the facility to construct scenarios based on flight timetables.

Exercise Events:

The VV Simulator is equipped with a scripting function that enables exercise events to occur, either on a timed basis, or subject to other exercise occurrences. Examples of these scripted events include:

• Free text aircraft transmissions, such as emergency declarations
• Aircraft requests, such as level/tracking requests
• Flight evolutions, such as taxi, departure.
• Uncommanded aircraft behavior, such as level/track changes
• Runway changes
• Runway closures
• Weather information, such as ATI changes
• Messages from planner, such as hints or required information
• Messages from supervisor, such as advice of required holding or sequencing

The prerequisite conditions that may be configured for such events to occur include:

• Timed activation of the event, e.g. aircraft requests a level change at time 30.
• Aircraft at, below, above or assigned a certain level, e.g. aircraft requests a level change if another aircraft is at that level.
• Aircraft flight evolution event has occurred, e.g. runway closure after aircraft subject to emergency has landed
• ATC instruction passed to aircraft, e.g. aircraft requests a change of runway once a star clearance has been issued.

Through the use of these scripting tools, a scenario may be developed where a non-routine event (such as an in-flight emergency) unfolds in a logical and realistic way. See the VV Simulator in use for Hong Kong airspace.

Location-specific Sectors

The VV Simulator may be configured to simulate real airspace. Here are some screenshots showing Sydney Arrivals and Hong Kong Approach.

Sample Scenario on Hong Kong airspace

Videos released from online workshop10-Aug-2020

We have released video recordings of sessions from our recent online workshop on 'GPR modelling using gprMax' on our YouTube channel, where you can access a playlist of the event.

The first of its kind on GPR modelling, the workshop proved to be a great success, and we received a lot of positive feedback from the attendees. Here are a few statistics from the event:

• ~330 delegates registered for the event.
• There were ~170 unique viewers per day from ~44 different countries worldwide.
• Most attendees use (or plan to use) gprMax for solving GPR related problems.
• Level of familiarity with gprMax was mixed but with most attendees either only having discovered it for the first time, or having run some basic models.
• 97% of attendees (that voted in the poll) would like to see this workshop become an annual event.
• 99% of attendees (that voted in the poll) would like to see further dedicated workshop/training events on specific aspects or applications of GPR modelling.
• 84% of attendees (that voted in the poll) said they would be willing to pay a small registration fee to attend such events.

3-day online workshop on GPR modelling with gprMax24-Jun-2020

A free 3-day online workshop will take place on 29-31 July 2020.

This workshop replaces the planned face-to-face event that was due to take place 6-7 April 2020 at Northumbria University, Newcastle, UK, and had to be postponed due to the coronavirus pandemic.

The workshop is being organised by Dr Craig Warren (Northumbria University, UK), Dr Antonis Giannopoulos (University of Edinburgh, UK), and Dr Iraklis Giannakis (University of Aberdeen)

Full details and registration information at http://www.gprmax.com/workshop2020.shtml

Highlight - Paper on GPU version published in Computer Physics Communications23-Nov-2018

We are pleased to announce our paper describing the new GPU performance enhancements to gprMax has been published in the journal of Computer Physics Communications.

We designed optimal kernels for GPU execution using NVIDIA's Compute-Unified Device Architecture (CUDA). We tested our GPU-based solver on a range of Kepler and Pascal NVIDIA GPUs. It achieved performance benefits up to 30 times faster than the parallelised (OpenMP) CPU solver can achieve on a commonly-used desktop CPU (Intel Core i7-4790K), and significantly faster than a server CPU (Intel Xeon E5-2640).

We expect these performance benefits to rapidly advance GPR research in areas such as full-waveform inversion and machine learning

We carried out this work as part of a project with Google Fiber (USA), and had support from NVIDIA (UK).

Designing Exercises:

Design of exercises for the VV Simulator is managed with the VV Exercise Creator (VVEC) tool. This program allows aircraft to be added from a library of standard flights, from a capture of AFTN data, or manually.

Once the aircraft have been selected, they may be placed in the scenario by a number of means, including:

• Setting the time an aircraft reaches a fix
• Setting the departure time
• Setting the landing time
• Setting the position of the aircraft at the start of the scenario

Scenario objectives including conflict-generation and workload intensity may be assessed by simply sliding the clock to any position in the scenario and viewing the position of the aircraft.

The VVEC enables exercise design, testing and moderation to be done quickly and easily by instructors without the need for specialized support staff. A random generator is available, as well as the facility to construct scenarios based on flight timetables.

Exercise Events:

The VV Simulator is equipped with a scripting function that enables exercise events to occur, either on a timed basis, or subject to other exercise occurrences. Examples of these scripted events include:

• Free text aircraft transmissions, such as emergency declarations
• Aircraft requests, such as level/tracking requests
• Flight evolutions, such as taxi, departure.
• Uncommanded aircraft behavior, such as level/track changes
• Runway changes
• Runway closures
• Weather information, such as ATI changes
• Messages from planner, such as hints or required information
• Messages from supervisor, such as advice of required holding or sequencing

The prerequisite conditions that may be configured for such events to occur include:

• Timed activation of the event, e.g. aircraft requests a level change at time 30.
• Aircraft at, below, above or assigned a certain level, e.g. aircraft requests a level change if another aircraft is at that level.
• Aircraft flight evolution event has occurred, e.g. runway closure after aircraft subject to emergency has landed
• ATC instruction passed to aircraft, e.g. aircraft requests a change of runway once a star clearance has been issued.

Through the use of these scripting tools, a scenario may be developed where a non-routine event (such as an in-flight emergency) unfolds in a logical and realistic way. See the VV Simulator in use for Hong Kong airspace.

Location-specific Sectors

The VV Simulator may be configured to simulate real airspace. Here are some screenshots showing Sydney Arrivals and Hong Kong Approach.

Sample Scenario on Hong Kong airspace

Videos released from online workshop10-Aug-2020

We have released video recordings of sessions from our recent online workshop on 'GPR modelling using gprMax' on our YouTube channel, where you can access a playlist of the event.

The first of its kind on GPR modelling, the workshop proved to be a great success, and we received a lot of positive feedback from the attendees. Here are a few statistics from the event:

• ~330 delegates registered for the event.
• There were ~170 unique viewers per day from ~44 different countries worldwide.
• Most attendees use (or plan to use) gprMax for solving GPR related problems.
• Level of familiarity with gprMax was mixed but with most attendees either only having discovered it for the first time, or having run some basic models.
• 97% of attendees (that voted in the poll) would like to see this workshop become an annual event.
• 99% of attendees (that voted in the poll) would like to see further dedicated workshop/training events on specific aspects or applications of GPR modelling.
• 84% of attendees (that voted in the poll) said they would be willing to pay a small registration fee to attend such events.

3-day online workshop on GPR modelling with gprMax24-Jun-2020

A free 3-day online workshop will take place on 29-31 July 2020.

This workshop replaces the planned face-to-face event that was due to take place 6-7 April 2020 at Northumbria University, Newcastle, UK, and had to be postponed due to the coronavirus pandemic.

The workshop is being organised by Dr Craig Warren (Northumbria University, UK), Dr Antonis Giannopoulos (University of Edinburgh, UK), and Dr Iraklis Giannakis (University of Aberdeen)

Full details and registration information at http://www.gprmax.com/workshop2020.shtml

Highlight - Paper on GPU version published in Computer Physics Communications23-Nov-2018

We are pleased to announce our paper describing the new GPU performance enhancements to gprMax has been published in the journal of Computer Physics Communications.

We designed optimal kernels for GPU execution using NVIDIA's Compute-Unified Device Architecture (CUDA). We tested our GPU-based solver on a range of Kepler and Pascal NVIDIA GPUs. It achieved performance benefits up to 30 times faster than the parallelised (OpenMP) CPU solver can achieve on a commonly-used desktop CPU (Intel Core i7-4790K), and significantly faster than a server CPU (Intel Xeon E5-2640).

We expect these performance benefits to rapidly advance GPR research in areas such as full-waveform inversion and machine learning

We carried out this work as part of a project with Google Fiber (USA), and had support from NVIDIA (UK).

The paper is open-access and we would appreciate that if you use gprMax and publish your work, you would cite this new paper. Divinity: original sin 2 - official soundtrack for mac.

GPR2018 Young Scientist winner uses gprMax23-Jun-2018

The Young Scientist Best Paper Award at the 17th International Conference on Ground Penetrating Radar (GPR2018) was won by Sam Stadler from the Leibniz Institute for Applied Geophysics, Hannover, Germany. This is the second time in a row that this prize has been won by a researcher using gprMax, after Markus Loewer won the award at GPR2016.

Sam developed a detailed and realistic antenna model similar to the Geophysical Survey Systems, Inc (GSSI) 400MHz antenna. He has used the model as a key component in simulations to investigate using guided GPR waves along metallic cylinders in boreholes for permittivity sounding. You will be able to read Sam's paper when the conference proceedings are published by the IEEE. Well done Sam!

Version 3.1 - with GPU acceleration - released!19-Jun-2017

We are excited to announce the release of version 3.1. Code-named Big Smoke, it continues our whisky-based naming, and is also a reference to the cities of Edinburgh (Scotland) and San Francisco (USA). Why? Because the development of v.3.1 was funded, through a research project, by Google.

We are making this release available to coincide with the 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR2017) which we are hosting next week, 28-30 June. We look forward to discussing the release with participants at our pre-conference workshop, and delegates at the conference.

The most significant feature of this release is the ability for simulations to utilise general-purpose computing using graphics processing units (GPGPU). We have used NVIDIA's Compute-Unified Device Architecture (CUDA). Our testing on both consumer and data centre NVIDIA GPU cards has shown dramatic performance increases over our parallelised CPU (OpenMP) implementation.

For example, in the figure shown, a model with 400x400x400 = 64 Mcells could run up to 20 times faster on a NVIDIA TITAN X GPU than on 4 cores of a Intel® Core™ i7-4790K CPU. These types of speed improvement open up a lot of new opportunities and possibilites for FDTD simulations, not just for GPR!

You can read about how to use the GPU functionality and find full documentation in our User Guide. Please report any bugs with the code via the Issues feature on our GitHub page. For help and general advice on using the software visit our Google Group forum.

Free Radar Simulation Software Downloads

Highlight - Paper published in Computer Physics Communications27-Sep-2016

We are pleased to announce that our paper describing the new version of gprMax has been published in the journal of Computer Physics Communications. Some of the new advanced features of the software explained in the paper are: dispersive material simulation using multi-pole Debye, Drude or Lorenz expressions; realistic soil modelling; rough surface generation; and the ability to embed complex transducers and targets.

The paper is open-access and we would appreciate that if you use gprMax and publish your work, you would cite this new paper.

Have a look/listen to the audioslides (~5mins) which briefly explain GPR and gprMax and describe the key features of the paper.

National Instruments Radar Simulation

GPR Imaging Challenge24-May-2017

The 9th International Workshop on Advanced Ground Penetrating Radar (IWAGPR 2017) is being hosted by the School of Engineering at the University of Edinburgh. We have therefore decided to design what we believe to be a realistic 3D GPR model which we think offers a challenge for testing GPR processing, imaging, and inversion algorithms. Before releasing information on the detailed construction and composition of this model (to be used by the GPR research community) we would like to offer the modelled data as an imaging and interpretation challenge to GPR researchers. We have scheduled a session in the IWAGPR2017 conference programme, in which we hope some results can be presented. The dataset and a full set of instructions can be found at our GitHub repository.

Free Radar Simulation Software App

Featured project on spectral soil properties02-Aug-2016

The latest in our series of showcased projects is by Markus Loewer from the Leibniz Institute for Applied Geophysics in Germany. Markus was the GPR2016 Young Scientist winner, and is using the new dispersive material modelling capabilities to create multi-pole Debye models to accurately simulate the frequency-dependent dielectric properties of different soils. Read more about it in the projects section.

Radar Simulation Tool

Screencasts & videos13-Jul-2016

Radar Simulation Software Free

We have added some screencasts and videos to our YouTube channel. There are screencasts to help new users with installing and updating gprMax. We have also created videos, like the one shown here, that demonstrate how electromagnetic fields propagate in different environments. These are fairly simple 2D models but, nevertheless, are educational and provide some useful insight. We will be adding videos of more complex simulations as well as screencasts of guided example models. You can find a list of all the screencasts & videos in the User Guide.