1: if you have studied circuits and systems, the basics of electronic circuits, etc. , can take an examination of graduate students in the direction of circuits and systems;
2. If you have studied electromagnetic field and electromagnetic wave, physical foundation, etc. Graduate students who can take electromagnetic fields and electromagnetic waves;
3. If you have studied signal and system, digital signal processing, microcomputer principle, etc. , can take an examination of signal and information processing graduate students;
4. If you have studied communication principle, signal and system, microcomputer principle, etc. , can take an examination of graduate students in the direction of communication and information systems;
5. If you have studied quantum mechanics, electromagnetism, atomic mechanics, etc. , can take an examination of microelectronics and electronics graduate students;
6. If you have studied quantum mechanics, atomic mechanics, heat, electromagnetism, etc. , can take an examination of physics and nuclear physics graduate students.