[{"title":"( 7 个子文件 1.82MB ) 通信系统原理电子书(word版)","children":[{"title":"通信系统原理","children":[{"title":"第3章 模拟调制系统.doc <span style='color:#111;'> 1.98MB </span>","children":null,"spread":false},{"title":"第1章 绪论.doc <span style='color:#111;'> 1.07MB </span>","children":null,"spread":false},{"title":"第7章 多路复用.doc <span style='color:#111;'> 521.00KB </span>","children":null,"spread":false},{"title":"第2章 信号与噪声分析.doc <span style='color:#111;'> 876.00KB </span>","children":null,"spread":false},{"title":"第5章 数字信号的基带传输.doc <span style='color:#111;'> 1.72MB </span>","children":null,"spread":false},{"title":"第6章 数字信号的载波传输.doc <span style='color:#111;'> 1.69MB </span>","children":null,"spread":false},{"title":"第4章 模拟信号的数字传输.doc <span style='color:#111;'> 750.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]