[{"title":"( 7 个子文件 113.21MB ) 卡尔曼滤波器讲解视频","children":[{"title":"filter2.mp4 <span style='color:#111;'> 13.23MB </span>","children":null,"spread":false},{"title":"filter4.mp4 <span style='color:#111;'> 16.52MB </span>","children":null,"spread":false},{"title":"filter3.mp4 <span style='color:#111;'> 13.95MB </span>","children":null,"spread":false},{"title":"filter7.mp4 <span style='color:#111;'> 14.87MB </span>","children":null,"spread":false},{"title":"filter1.mp4 <span style='color:#111;'> 22.48MB </span>","children":null,"spread":false},{"title":"filter5.mp4 <span style='color:#111;'> 12.50MB </span>","children":null,"spread":false},{"title":"filter6.mp4 <span style='color:#111;'> 26.11MB </span>","children":null,"spread":false}],"spread":true}]