适合系统学习OFDM技术。本文设计并实现OFDM通信系统的调制、解调部分的数字电路。采用实验板或自行设计电路进行调试，并采用相关仪器验证。系统整体调试、优化，或就某一部分进行深入研究。-suitable for the systematic study OFDM technology. This paper describes the design and realization of the communication system OFDM modulation, demodulation of the digital circuit. Experimental design their own boards or circuit debugging, and using equipment related to certification. Whole system debugging, optimizing, or on a part-depth study.