How to start the Simulate Radar sensor project for GSoC 2018?

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Hello! My name is Luthfi Fauzi, I am a student Telkom University from Indonesia. I interested to one of project in Open Robotics. I interested to Simulate Radar sensor project. I am joining the robotic research group in my university. I ever make a RC underwater robot, autonomous and RC sumo robot and humanoid robot for traditional dance. But in my project I never use Gazebo. But I very interested for this project in Google Summer of Code 2018. I hope, mentor in this project can guide me. But the first question that I want to ask is what tools or what material can I learn from now for doing this project?

Thank for your attention