Debris motion in steady current flow

Each ‘.mat’ data contains a 3D matrix of 4*2000*75:

• 2000 columns represent frame numbers of recorded video for each series. (which is more than enough just to be in a safe side).
• 75 rows represent for 75 trials for each test series.
• Different layers represent for: layer 3= x position in each frame, layer 2=theta in each frame.
Each data file named according to the test set. (e.g. E1_0 which is a data set for E1_0 test series.)

每个.mat格式的数据文件均包含一个4×2000×75的三维矩阵：
• 2000列对应各测试序列的录制视频帧序号，该维度预留充足冗余以确保覆盖稳妥（即留有足够余量以规避数据不足风险）。
• 75行对应各测试序列的75次试次。
• 矩阵的不同维度层分别对应：第3层为每帧的x轴位置，第2层为每帧的θ角。
各数据文件均以其对应的测试集命名，例如E1_0即为适配E1_0测试序列的数据集。