常見例句雙語例句A novel channel estimation algorithm is proposed for MB-OFDM UWB systems based on channel shortening.針對多頻帶超寬帶系統(tǒng)，提出了一種基于信道縮短的信道估計(jì)方法。In 1963 the Mississippi River –Gulf Outlet , a ship channel shortening the passage to the gulf by 40 miles (64 km ), was opened to maritime traffic .1963年密西西比河和海灣地區(qū)，一條縮短了駛?cè)牒臣s40英里（64千米新航道對海上運(yùn)輸開放。Atrial cardiomyocytes undergo electric remodelling during atrial fibrillation, which involves decreasing function of the L-type calcium ionic channel and shortening atrial refractoriness.心房顫動時(shí)心房一方面發(fā)生電重構(gòu)，主要表現(xiàn)為L型鈣離子通道功能下降和心房的不應(yīng)期縮短； 返回 channel shortening