雷丸 的英文怎麼說
中文拼音 [léiwán]
雷丸
英文
leiwan omphalia-
He examined the bullets with which monte cristo performed this dexterous feat, and saw that they were no larger than buckshot
每射一槍,莫雷爾的臉就蒼白一次。他察看基督山用來造成這種神妙奇術的彈丸比綠豆還小。Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar
文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理,詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。In this paper, the doppler signed of cartridge velocity, that is produced by the doppler radar, is taken as the research object. the characteristics of the doppler signal of several kinds of cartridges are analyzed. the spectrum analysis method is used to measure the velocity of several kinds of cartridges, based on digital data processing technology and computer graphic technology
本文以多普勒雷達測量彈丸速度得到的多普勒信號為研究對象,分析多種彈丸速度多普勒信號頻率特徵,運用數字信號處理方法和計算機圖形處理技術相結合的頻譜分析方法測量多種彈丸的速度。
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