常見例句A comparison of WVD, PWVD, SPWVD used for demodulating FSK signal is discussed, and the upper and down side frequencies estimating algorithms based on SPWVD are chosen in the paper. 文中對(duì)FSK信號(hào)的WVD、PWVD和SPWVD結(jié)果作了比較，選擇了基于SPWVD來估計(jì)FSK信號(hào)的上下邊頻，并給出了具體的算法步驟。 返回 PWVD