常見例句雙語例句In the empty rectangular straight tunnel, the influence to the propagation loss and RMS time delay spread of the radio wave is investigated.由於符號持續(xù)時間的加長,因而它對多逕時延擴展有較強的觝抗力,是對高速數(shù)據(jù)傳輸?shù)囊环N潛在的解決方案。The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.在本論文中,首先對移動傳播環(huán)境作了描述,特別是對小尺度多逕傳播造成的幅度衰落,多逕時延和多普勒頻移進(jìn)行了分析;The Maximum Likelihood Sequence Estimation (MLSE) using the Viterbi Algorithm (VA) is commonly recommended for the equalization, which can only accommodate the channels with limited time delay spread.常用的最大似然序列估計(MLSE)均衡器採用維特比算法(VA),它衹能用於具有較小時延擴展的信道。 返回 time delay spread