echo wave造句
例句與造句
- Echo waves and their stability in linearly coupled oscillators
線性耦合振子中的回聲波及其穩(wěn)定性 - According to the principle of ultrasound detection , this thesis describes a high - speed sampling system for ultrasound emergent wave and echo wave
摘要根據(jù)定量超聲波檢測原理，闡述了一種針對超聲波發(fā)射信號和回波信號的高速采集系統(tǒng)。 - The propagation velocity of ultrasound in patient ' s shinbone can be achieved by figuring out the time span between emergent wave and echo wave
根據(jù)相關(guān)公式，只需計算出超聲波發(fā)射信號和回波信號的時間差，即可獲得定量超聲波在受試者脛骨的皮質(zhì)骨中傳播速度。 - High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave dopier spectrum to deduce the parameters of ocean situation
高頻地波雷達近海監(jiān)測和海態(tài)遙感技術(shù)是一種利用海洋回波多普勒譜反演海態(tài)參數(shù)的方法。 - In addition , the article also proposed two kinds of method to achieve phase difference between echo waves with doppler shift to increase its precision of angle measurement
此外,文中還提出了信號回波多普勒頻移影響下的兩種相位差提取方法,以提高短基線干涉儀角度測量精度。 - It's difficult to find echo wave in a sentence. 用echo wave造句挺難的
- Owing to the complexity of the on - line methods and the diversity of the form of radar echo wave , there are n ' t many people who have paid much attention to this question of on - line calibrating
在線算法不需要測試信號且可以實時地對誤差模型進行跟蹤，有著良好的應(yīng)用前景，但由于其實現(xiàn)的復(fù)雜性、雷達回波信號的多樣性，使得人們極少涉及這個領(lǐng)域。 - First of all , this paper introduces the whole design project and interrelated knowledge about non - destructive detection , ultrasonic detection , and phased - array ultrasonic detection then the paper depicts the principle of phased - array focus and abstracts a set of math model and feasible arithmetic on the base of the real parameter of the system . put forward several problems that exist during the course of system development and program . introduce some measures of distinguish that are often used in non - destructive detecting and echo wave crest
然后在文中以較大的篇幅，描述了相控陣聚焦的原理，并根據(jù)該系統(tǒng)的實際參數(shù)，抽象出一套數(shù)學(xué)模型和可行的算法，在此基礎(chǔ)上提出了在系統(tǒng)開發(fā)過程及編程實現(xiàn)過程中存在的一些問題；介紹了在無損檢測中缺陷的分類和對回波峰常用的識別方法，詳述了系統(tǒng)開發(fā)過程中使用的其中一種識別方法，即判別是否存在缺陷的算法，并給出實現(xiàn)之的部分核心程序；詳述主控程序如何控制各部分并協(xié)調(diào)各相關(guān)軟件的工作，使整個系統(tǒng)發(fā)揮最高效能，并給出主要設(shè)計框圖和程序。 - Then echo wave simulation is used to examine the model , because echo wave simulation is one of the effective ways to evaluate the propagation theory . therefore , we can model the echo wave of the pavement structure that we have already known and compare it to the actual wave . if they do not match very well , we can adjust some parameters to improve it
模型建立的是否正確，用正演模擬進行檢驗，因為正演模擬是研究高頻電磁波在地下介質(zhì)中傳播規(guī)律的有效途徑，具體做法為：利用已建好的模型模擬計算雷達回波，將模擬的波形與實測波形進行對比以檢驗?zāi)Ｐ徒⒌氖欠裾_、是否滿足精度要求，從而達到檢驗已建模型的目的。