long range sonar 中文意思是什麼

long range sonar 解釋
遠程聲納
  • long : n 朗〈姓氏〉。vi 渴想，極想，渴望 （for 〈古語〉 after to do）。adj （longer longest ）1 長，長的...
  • range : vt 1 排列；整理（頭發等）。2 使歸類[班、行、隊]；把…分類。3 〈用被動形或反身形〉加入，站住…的一邊...
  • sonar : n. 聲納，聲波導航和測距系統，音響定位器；潛艇探察儀。
  1. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響；從聲納方程出發，確定了系統的最佳工作頻段；在聲傳播損失計算的基礎上，給出了聲源級的預報；基於時變通道理論，描述了遠程水聲通道的衰落特性。
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