echo arrival造句
造句與例句
手機(jī)版
- The claim has been made upon the results that the wmt method should be used in the area near the vertical , while the phase difference method in slant beams and a rule has been given to select among those two methods according to the " effect value " on condition the depth is known for the consideration of improving the measurement precision , this paper studies the factors which affect the toa measurements , and three expressions of precision has been introduced as to applications of phase difference method , this paper introduces an automatic hunting method based on amplitude power to get the range of echo arrival
采用方差分析的方法，使用重復(fù)海試數(shù)據(jù)對wmt法和相位差法的優(yōu)劣進(jìn)行了分析，指出了垂直附近應(yīng)該使用wmt法，而傾斜波束應(yīng)該使用相位差法；給出了在深度真實(shí)值已知前提下wmt法和相位差法使用的判決準(zhǔn)則，即根據(jù)效應(yīng)值的大小來選擇。本文從提高測量精度角度出發(fā)，分析并驗(yàn)證了影響toa測量精度的因素；給出了三種精度表示。在應(yīng)用相位差法時(shí)，引入了一種基于幅度能量的區(qū)間自動(dòng)搜索方法；實(shí)驗(yàn)表明該方法能很好地確定回波到達(dá)的大概時(shí)間范圍。 - It's difficult to see echo arrival in a sentence. 用echo arrival造句挺難的
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