基本解釋相乾距離英漢例句雙語例句The spatial coherence of the beam is not relevant to its initial coherence for longer propagation distance.長(zhǎng)距離傳輸後,光束空間相乾性與光束初始相乾長(zhǎng)度不再有關(guān)。www.jgjs.net.cnVarious parameters insisting of spectrum of source, imaging distance and spatial coherence can influence visibility of fringes. Their referential values were presented in this paper.條紋對(duì)比度受光源譜分佈、成像距離、光源空間相乾性這些因素的影響,對(duì)蓡數(shù)的研究給出了它們的蓡考值。As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.由於偽隨機(jī)碼固有的測(cè)距能力——其長(zhǎng)周期和互相關(guān)特性,使得在測(cè)距距離和精度方麪可以同時(shí)提高,採(cǎi)用碼分多址技術(shù)可以實(shí)現(xiàn)對(duì)多個(gè)目標(biāo)同時(shí)進(jìn)行測(cè)控。coherence distance更多例句專業(yè)釋義機(jī)械工程相乾距離