本程序通过分析OFDM信号的循环平稳特性，利用循环谱对OFDM信道进行估计。,This procedure by analyzing the OFDM signal is cyclostationary properties, the use of cyclic spectrum of the OFDM channel estimation.

Cyclostationarity-Based Spectrum Sensing for Wideband Cognitive Radio

Signal Detection Method based on Cyclostationarity for Cognitive Radio