[{"title":"( 2 个子文件 37MB ) 信号估计与检测 课本及辅导书 赵树杰","children":[{"title":"课本 信号检测与估计理论.pdf <span style='color:#111;'> 18.84MB </span>","children":null,"spread":false},{"title":"信号估计与检测理论学习辅导与解答_部分1.pdf <span style='color:#111;'> 19.13MB </span>","children":null,"spread":false}],"spread":true}]