hard-to-find base 中文意思是什麼

hard-to-find base 解釋
騅發現的基地
  • hard : adj 1 硬的,堅固的 (opp soft)。2 (身體)結實的;(組織等)健全的。3 (問題、工作等)困難的,費...
  • to : adv 到某種狀態;〈特指〉到停止狀態;關閉。 ★也常和動詞結合,略去其後賓語,而構成成語: The door i...
  • find : vt (found; found)1 找到;獲得;發現;(偶然)看見;拾得,遇見。2 想出,(炮彈等)打中;(錨)到...
  • base : n 1 基底,基,根基,底座;底層,底子;(紀念碑等的)基址;(山)麓。2 【軍事】基地,根據地。3 根...
  1. In practice, it ’ s very hard to find any ideal scatter points to track, so this thesis focuses on the motion compensation algorithm base on motion parameters estimation, which is used in r - d fft imaging algorithm and verified by simulation. work of this thesis contains : first analyze the signal - processing model of isar system in detail, and establish a 3 - dimensional mathematical scattering model of moving target. then some improvements are made on existing compensation algorithm, to get a higher image quality and reduce compute burden

    本論文有以下幾點創新: 1 .在距離向的補償(包絡對齊)方面,採用基準相關法代替相鄰相關法或積累相關法,一定程度上解決了可能出現的包絡漂移和包絡突跳現象;根據目標運動軌跡特點,採用二次曲線擬合的方法,將包絡對齊時的局部誤差轉化為全局的誤差,以便實現較優的整體對齊效果。
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