wave estimation 中文意思是什麼

wave estimation 解釋
波浪推算
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  1. Range estimation of linear frequency modulation continuous wave radar

    線性調頻連續波雷達的距離估算
  2. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  3. Evaluating wave speed in concrete by bispectrum based time delay estimation

    基於互雙譜的應力波波速估計的研究
  4. Without the special eeg apparatus used by the author, a person s estimation of his or her own actual brain wave patterns is only a guess, but enough detail about the " feel " of each state is provided that one may feel some confidence in this self - assessment

    當然,若沒有作者所用的特殊eeg儀器,人們對自己實際的腦波類型將只是一種猜測,然而她提供了每種狀態的詳細感覺讓人可以對自我評估有些信心。
  5. Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given

    基於上述方法,文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分量信號進行了瞬時頻率估計,並與其他幾種常用瞬時頻率估計方法的性能以及crb進行了系統比較。
  6. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。
  7. The paper discusses the maximum entropy spectral estimation algorithm and its application in icw ( interrupted - continuous wave ) radar in the aspect of theoretics and engineering

    論文從理論和應用兩個角度對最大熵譜預測外推演算法以及在中斷連續波雷達中的設計實現進行了研究。
  8. Typical estimation of kinematic parameters ( cruising speed, wave speed, wave length and frequency ) based on experimental data of the cruising specimens indicates there is significant correlation between cruising speed and other parameters

    在實驗觀測的基礎上,根據實驗樣本的形態及運動規律,建立了背鰭/背臀鰭波動推進模式的運動學方程。
  9. To certain monitoring area and the remote sensing ratio wave bands defined, by means of the criterion of mean residual sum of squares to carry on filtering of remote sensing factors, finally the important remote sensing wave bands influencing canopy density estimation are confirmed, meanwhile the operable software system is programmed

    針對特定監測區域,對設置的遙感比值波段,採用平均殘差平方和準則進行篩選,最終確定對郁閉度估測有一定影響的遙感波段,並形成可操作的軟體系統。
  10. The remote sensing refers to air to ground one, namely from different working platform far away the ground ( for example gao ta, balloon, airplane, rocket, the artificial earth satellite, spaceship, aerospace craft and so on ), through the sensor, exploring the information ( radiation ) to the earth ' s surface electromagnetic wave, and after the information transmission, processes, estimation and analysis, it can be regarded as a kind of comprehensive technology of surveying and monitoring earth ' s resources and its environment

    摘要遙感是指空對地的遙感,即從遠離地面的不同工作平臺上(如高塔、氣球、飛機、火箭、人造地球衛星、宇宙飛船、航天飛機等)通過傳感器,對地球表面的電磁波(輻射)信息進行探測,並經信息的傳輸、處理和判讀分析,對地球的資源與環境進行探測和監測的綜合性技術。
  11. Estimation of the reservoir permeability using the frequency offset and time lag of stoneley wave

    利用斯通利波的頻率偏移和時間延遲判斷儲層滲透性
  12. Subsequently, the primary knowledge of sound wave and the model of signal transmission are introduced. at last, the models of the narrowband and broadband array signal processing, the theory of the number of source signal estimation, the theory of invariable estimation and usage of high - order statistics in array signal processing are presented

    文中詳細介紹了聲波傳播的基本知識、信號傳輸模型;窄帶和寬帶信號的陣列處理模型;信號源個數估計理論;波達方向估計理論以及高階統計量在陣列信號處理中的應用。
  13. The ball mill load - control apparatus adopted the assembly language and the c51 language to program and its concerned software was designed, including the data collection, the wave - percolation, the short - time average over - zero ratio, the estimation of the power chart and the average - period chart

    磨機負荷控制儀軟體使用匯編和c51編程,本文進行了相關軟體的設計,包括數據採集、濾波、短時平均過零率、功率譜估計和平均周期圖等。
  14. The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation

    在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測定位系統具有自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。
  15. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的,但是,通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上,因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題,它有助於人們更加深入理解非線性光學效應,為進一步合理利用之奠定了理論和實驗的基礎。
  16. Simplified parameter estimation of joint distribution of extreme wind speed and wave height based on multivariate extremal theory

    極值風浪聯合概率模型參數估計的簡化方法
  17. The theory of soplat using frequency rate is discussed in chapter 2. based on this theory, this chapter studies the observed discrete - time signal. the crlb of continuous wave and coherent pulses frequency estimation are also studied

    論文第二章討論了利用頻率變化率的單站無源定位原理,在此基礎上,介紹了單站無源系統中接收信號的模型,並分析基於各模型的頻率估計的cramer - rao下界。
  18. And then, the thesis import a thrice - polynomial technology to depict the yield curve of shanghai stork exchange market and gained the yield curve chart. under one factor model hypothesis, deduce the bond pricing formulae. based on 1945 data of buy - back rate in banking market, the thesis use ols and gmm estimation technologies to estimate the parameters of vasicek model, cir model, and ckls model, and verify which model can explain the china market ’ s short rate ’ s wave

    然後,從實證的角度,用三次多項式來擬合上交所國債收益率曲線,並得出收益率曲線圖,在單因素模型推導了動態理論期限結構下的債券定價公式,並以1945個中國銀行間債券市場7天回購利率數據作為短期利率的代表,驗證vasicek模型、 cir模型與ckls模型是否適用中國短期利率的波動行為,估計出三個模型的參數。
  19. According to fiberglass - reinforced composite material, the propagation modes of lamb wave before and after damage ' s generation is analyzed. ellipse technique is applied to determine damage location. three time delay estimation methods are compared

    針對復合材料板,分析了lamb波在結構損傷前後的傳播速度;採用了橢圓技術來確定損傷位置;比較了三種不同的時延估計方法的損傷定位效果。
  20. The development of structural strength estimation methods requires calculating wave loads more precisely

    結構強度計算方法的不斷進展對外載荷計算提出了更高的要求。
分享友人