曲線估計 的英文怎麼說

中文拼音 [qūxiàngūjì]
曲線估計 英文
curve estimation
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Using his data from 1830 - 1995 with statistics, the hyperbola and its asymptotes, he estimated 47 new ( species ) of sea monsters are still undiscovered

    帕克斯頓利用統計學、雙曲線以及它的漸近線，分析他收集的1830年與1995年之間的數據，估計還有47種新海洋怪獸有待我們去發現。
  2. Umvique of the covariance matrix in growth curve model

    增長曲線模型中協差陣的最優估計
  3. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    論文在對研究區土地荒漠化現狀野外調研和不同時相（ 1987tm 、 1996tm和2000ccd ）遙感圖像土地荒漠化信息提取和演變分析的基礎上，結合研究區已有的多元信息基礎資料及研究成果（包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等） ，運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系，揭示了研究區土地荒漠化的主要驅動因素，探討了荒漠化動態演化規律。
  4. For example, robert gorton ( 1970, 1975, 1978 ) estimated the american phillips curves under this assumption. due to the uncertainty of the estimates of phillips curves, the issue whether or not phillips curves can provide guidance for macroeconomic policy makers is now being argued

    在這一章里，確定了通貨膨脹率序列的單位根過程，估計了通貨膨脹壓力的門限自回歸方程，證實了價格調整非對稱的存在，同時也證明了中國菲利普斯曲線的非對稱。
  5. Then the arlpm detection algorithm from the different spectral width of sea clutter and growlers based on ipix sea clutter returns " ar spectrums estimate is been derived, and the roc curves are been drawn

    接著基於ipix雷達實測回波的ar譜估計，根據雜波和目標的譜寬不同得到arlpm檢測演算法，並畫出了該演算法的roc曲線。
  6. ( 2 ) on - line spectral response measurement is used to make a research on the activation process. the on - line measurement results have been analyzed and the influence excised by cs, o activation on the photoemission property of gaas wafers has been revealed. the properties of domestic and foreign nea phocathodes are compared, and the reasons causing the gap between domestic and foreign phocathodes are discussed

    （ 2 ）利用光譜響應在線測試技術研究nea光電陰極的激活工藝，通過對在線測試的光譜響應曲線進行分析、比較和計算，剖析了激活工藝給陰極光電發射性能帶來的影響，並從性能評估的角度，比較了國內外nea光電陰極的性能，分析了它們之間存在差距的原因。
  7. The superiority of generalized ridge estimation of regression parameter in growth curve model under pitman closeness criterion

    準則下生長曲線模型回歸參數陣廣義嶺估計的優良性
  8. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現，對于窄帶回波信號，基於fft的方法估計性能大大優于其他方法；對于寬帶回波信號，在信噪比達到一定程度（高於約- 7db ）時，補償后的幾種估計法的性能改善均比較明顯，誤差曲線越來越接近crb曲線；對于回波中存在多頻率多方位的情況，空間?頻率分布圖能提供較為直觀的頻率及方位信息，因此應用空間?頻率估計法來進行方位估計，更有利於進一步對回波的具體方位進行準確判斷和估計。
  9. During the instantaneous frequency estimation of lfm, there exists some error in the edge, so in the dissertation, a fitting method is proposed to modify it. from the computer simulation, the following result is obtained : for cw, the method based on cwt is most effective, and with the snr rising, the error curve of it is more and more closer to crb. for lfm, the method based on wvd gives the best result, and the effects of cwt and stft are similar for multi - component signal, compared to stft and wvd, cwt is a better choice

    通過模擬發現，在單頻回波的瞬時頻率估計中，基於cwt的方法最為有效，隨著信噪比的提高，其均方誤差曲線越來越接近克拉美?羅界；在線性調頻回波的瞬時頻率估計中， wvd法得到的效果最好，而cwt與stft法的估計效果比較接近；在多分量信號的瞬時頻率估計中，相對于stft和wvd法， cwt法是一個更好的選擇。
  10. Exact distribution of mle of the regression coefficient matrix in a growth curve model

    生長曲線模型中回歸系數陣的極大似然估計的精確分佈
  11. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計，使逼近螺線可達到任何預先給定的精確階。最後，給出球面nurbs曲線生成演算法：用球面上測地線? ?劣大圓弧代替直線段，將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  12. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上，得到了材料的疲勞強度特性曲線和疲勞壽命曲線，同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究，並通過數值計算方法進行了疲勞壽命評估。
  13. In this paper, we propose a new krenal estimation method for the drug doseresponse curve, and research it ' s properties, and the simulatnos rerults are giren for comparison

    摘要本文對藥物劑量響應概率曲線提出了一種新的估計方法核函數估計法，討論了估計量的性質，並對估計量進行了模擬研究。
  14. A new relative efficiency of the least squares estimator in growth curve model

    生長曲線模型中最小二乘估計的一種新的相對效率
  15. The least square estimate of covariance matrix in the restricted growth curve model

    有約束的生長曲線模型中協差陣的最小二乘估計
  16. He tried to illustrate the fact with a diagram of curves based on rough estimates

    他試圖以根據粗略估計做出的曲線圖來說明情況。
  17. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的應用，對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要，為了能直接對這種馬達進行壽命估計，並能在相同工況下求得壽命最長的軌道曲線，本文從設計等接觸應力內曲線的角度對這類馬達作探討性的研究，主要從以下四個方面進行： （ 1 ）綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況，對柱塞組件進行受力分析，並通過模擬分析影響軌道和滾動體間正壓力的各個因素，得到正壓力的簡化表達式。
  18. In this paper calculation methods of various characteristics curves considering magnetic field nonlinear effect of synchronous generators is systematically studied. the comparison between the results and those without consideration of nonlinear effect is given. the magnetic field nonlinear effect on the operating characteristics is analyzed and the possible factors causing the nonlinear phenomenon is presented

    本論文系統地研究了同步發電機在考慮磁場非線性的影響下各種特性曲線的計算方法，並與不計磁場非線性時的結果進行比較，分析了磁場非線性對同步發電機運行特性的影響以及可能引起磁場非線性的因素，並研究在考慮三元變量作用下採用插值法估算同步發電機的勵磁電流和功角。
  19. Then a fast computing method is presented to estimate the curvature of edge points and the points at which curvature is less than some threshold are collected to fit lines

    為提取直線邊緣，使用改進的序列細化演算法將邊緣細化為單像素寬，而後用一種快速曲率估計方法估算邊緣點的曲率，並保留估算值很小（約等於零）的點擬合直線。
  20. Finally, this paper detailedly introduces the application of preloading method combining with vacuum stack - load in the practice of a freeway project. three sorts of experience calculation method of final settlement which based on the settlement data measured in - site are contrastively analysed, and points out the hyperbola method be recommended for settlement predicted because it accord with the actual instance of guangdong pearl river delta area, and bring up the range of settlement correcting coefficient corresponds to the characteristic of the region

    最後，本文結合某高速公路工程實踐，詳細介紹了真空聯合堆載法在高速公路上的應用，並利用實測沉降曲線對三種預估最終沉降量的經驗方法進行了對比分析，提出了雙曲線法計算最終沉降量較符合廣東珠三角地區，並提出較符合地區特點的沉降修正系數取值范圍，可供類似工程參考。
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