②20 1 English 1
③30 1 Math 1
④8 1 1 signal and system, communication principle
Signal and Linear System Analysis (4th Edition) Wu Dazheng Higher Education Press.
Principles and Technology of Modern Communication (Second Edition) Zhang Lina xidian university Publishing House
Communication Principles (6th Edition) Fan Changxin Cao Lina National Defense Publishing House
Re-examination subjects:
90 1 1 comprehensive basic knowledge of information technology
Reference books on communication principles, computer networks, random signal analysis and information theory.