[{"title":"( 7 个子文件 19.97MB ) 北京工业大学 数字信号处理课件","children":[{"title":"数字信号处理期末试题及答案1.doc <span style='color:#111;'> 113.50KB </span>","children":null,"spread":false},{"title":"第3章z变换极其在LTI系统分析中的应用.pptx <span style='color:#111;'> 5.91MB </span>","children":null,"spread":false},{"title":"第1章数字信号处理引言.pptx <span style='color:#111;'> 3.06MB </span>","children":null,"spread":false},{"title":"第2章离散时间信号和系统A.pptx <span style='color:#111;'> 2.22MB </span>","children":null,"spread":false},{"title":"第2章离散时间信号和系统B.pptx <span style='color:#111;'> 1.89MB </span>","children":null,"spread":false},{"title":"第4章信号的频率分析.pptx <span style='color:#111;'> 3.50MB </span>","children":null,"spread":false},{"title":"第5章 LTI系统的频域分析.pptx <span style='color:#111;'> 5.68MB </span>","children":null,"spread":false}],"spread":true}]