curve estimation 中文意思是什麼

curve estimation 解釋
曲線估計
  • curve : n 1 曲線；彎曲；彎曲物。2 曲線規 （＝French curve）；【機械工程】曲線板；【棒球】曲線球；【統計學...
  • 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. Curve fitting in switched capacitor networks using least square estimation

    開關電容網路頻域的最小二乘曲線擬合
  2. The case analysis centers on the reason why the port production development slows down. with the spss 11. 0 statistic software, correlation ^ egression and curve estimation analysis have been carried out on guangzhou port ' s cargo sources and production capability. at 95 % confidence, it comes such a conclusion that guangzhou port has sufficient cargo sources but will become incapable in production

    案例分析圍繞港口生產發展速度下降的原因展開調查，並應用spss11 . 0統計軟體包，對廣州港貨源和生產能力情況進行相關分析、曲線擬合分析和假設檢驗，在5置信度上得出「廣州港貨源充足但港口生產能力不足」的結論。
  3. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  4. 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
  5. 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。
  6. A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique

    本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究，其具體內容為：對近年來的研究工作進行了系統的介紹；提出了一個由粗到細的多階段的人臉檢測演算法，該演算法充分利用了序列圖像中人臉模式的各種有用信息，將復雜的檢測工作分為了四個部分：膚色區域分割預處理，人臉粗檢及利用橢圓擬和的人臉區域提煉，應用人臉基本特徵檢測和定位的人臉細檢， pca結合高斯概率密度估計的人臉驗證。
  7. 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。
  8. The variable bandwidth local linear regression method we used in this paper have the advantages of both the local linear regression method and the variable bandwidth idea. the variable bandwidth henced the flexibility of the estimation. and it make this method can fit the spacial complex curve very well. and the asymptotic results of the estimation found the theoretic base for find the best variable bandwidth and drive the pratical best variable bandwidth from data directly

    本文所用的變窗寬局部線性回歸方法，繼承了局部線性回歸的優點，並且使用變窗寬提高了所得估計的可塑性。並使之能成功地處理空間非齊次曲線等復雜形狀的曲線擬合問題。所得估計的漸近結果為求漸近最優窗寬方案以及直接從數據估計最優變窗寬提供了理論基礎。
  9. Through applying the three methods of term structure estimation to the construction of zero - yield curve and to the pricing of zero - bond, zero - bond option, coup bond, interest rate swap, interest rate swap option, interest rate cap, interest rate floor, forward rate agreement. comparing the calculation errors of the three methods of term structure estimation

    通過將這三種期限結構估測方法應用於零息收益曲線構造，應用於零息國債及其期權、附息債券、利率互換、利率互換期權、遠期利率協議、利率上限、利率下限等利率衍生產品價格的估測，並比較所估測結果的誤差，得出的結論是：三種期限結構估測方法會導致在計算不同利率衍生產品價格時產生差異。
  10. This paper reaches a conclusion that the three methods of term structure estimation lead to the difference of the pricing of irdp and that the cubic interpolation is the best method when these methods are applied to construction of zero - yield curve and evaluation of coup bond, zero - bond option and interest rate swap

    立方插值法在零息收益曲線的構造時以及在對附息債券、債券期權、利率互換定價時優於三次樣條插值法和線性插值法，是三種插值方法中最好的方法。
  11. The theory of chaos and fractal have are widely applied on economics and finance field since the 70 ' s last century. talking about our country ' s studies on this way, as whole, these studies as followed have been doing, recognizing of system chaos, looking for chaos attractors, researching fractal structure to time series curve, prediction and control to chaos system etc. all those studies need deal with the estimation of the fractal - dimension

    分形與混沌作為非線性科學中兩個重要組成部分，從上世紀七十年代起在經濟、金融研究中得到廣泛應用，就目前我國在這個領域的研究現狀看，其應用研究主要集中在系統的混沌識別，混沌吸引子是否存在，時間序列曲線分形結構的分析，混沌系統短期預測與控制等問題上。
  12. It can be seen that fire growth and heat release rate curve can be obtained through the calculation of fire load and the estimation of fire spread, which can provide the input for the latter work and enhance the efficiency of fire protection analysis observably

    可以看出，根據火災荷載的計算和火災蔓延可能性的討論，得到火災發展的變化情況和熱釋放速率曲線，能夠為之後的工作做好前期準備，同時顯著提高這項工作的效率。
  13. In this paper, according to the theory of signal detection and estimation, the optimal receiver pattern of pn code signal is introduced and theoretically, the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated

    根據信號的檢測和估計理論，文中分析了數字相關器實現偽碼信號接收的最佳模型，從理論上計算了在不同的虛警概率下，檢測概率隨輸入信噪比的變化曲線，並分析了doppler效應對偽碼相關接收的影響。
  14. The research of reservoir design flood is one of basic works in this subject. it is based on the reasons, and the actual conditions of baipenzhu reservoir are combined, the following contents are researched in this paper : 1. according to the actual conditions of baipenzhu reservoir and through the compare of parameters estimation methods, a objective and having fine statistic characteristics p - iii frequency curve distribution parameters estimation method of proximate baipenzhu reservoir is putted

    正是基於這種考慮，本論文結合白盆珠水庫的實際情況，本著理論性與實用性相結合的原則，重點研究以下內容： 1 、根據白盆珠水庫的實際情況，對各種參數估計方法進行比較，提出一種客觀、有良好統計特性、適用於白盆珠水庫的p ?型分佈參數估計方法； 2 、利用實測流量資料推求設計洪水過程； 3 、分析計算可能最大洪水（ pmf ） ； 4 、對兩種方法計算的設計洪水過程進行調洪演算，推求水庫特徵水位。
  15. Study the broad sense description and the estimation of the equation parameter of p - s - n curve. study the estimation method of the reliability range of the materials fatigue life under given reliability correspond to different stress level

    並利用數理統計理論，探討p - s - n曲線的廣義描述方法， p - s - n曲線方程參數的估計方法，以及對應不同應力水平下的材料疲勞壽命在給定置信度下的置信區間估計方法。
  16. The abilities of resisting the incubation of fatigue crack in ast101a and alti101a were tested with the high - cycle fatigue method. a method combining the maximum likelihood estimation method with the correlation coefficient method was suggested to analyze the fatigue life experimental data some of which were incomplete. the s - n curve and p - s - n curves were presented, and the influence of the loading history and the defects in specimen on fatigue life was discussed

    通過高周疲勞測試方法研究了ast101a和alti101a抵抗疲勞裂紋萌生的性能，把最大似然法和相關系數法結合起來處理不完全疲勞壽命數據，給出了ast101a的s ? n曲線、 p ? s ? n曲線和疲勞極限，討論了加載歷史、缺陷等對疲勞壽命的影響。
  17. Chapter three studies the problem of interferometric phase images filtering and estimation, and details spin filtering with curve windows along the fringe tangent orientation and an estimation method based on the technique of joint space - image subspace projection

    第三章研究了干涉相位的濾波和估計問題，重點研究了曲線窗口旋濾波演算法和子空間正交投影法。
  18. Valuing these irdp rationally and precisely has been increasingly important. based on the research of foreign scholars. this paper studies three methods of term structure estimation ( linear interpolation, spline interpolation, cubic interpolation ) proceeding from methods of term structure estimation about yield curve that affect the valuation of irdp

    本碩士論文在綜合國外學者研究成果的基礎上，主要從影響利率衍生產品估價的期限結構估測方法出發，具體詳細地研究了三種利率期限結構估測方法（線性插值法、三次樣條插值法、立方插值法）及其在利率衍生產品定價中的應用。
  19. 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。
  20. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後，論文同樣以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，分別構造了基於不同階次的循環矩估計量，從理論上推導出了估計量的大樣本方差表達式，分析了估計量性能與噪聲統計特性的約束關系，通過monte - carlo模擬試驗得到了估計性能的曲線，驗證了推導的有關結論。
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