估算變換 的英文怎麼說

中文拼音 [gūsuànbiànhuàn]
估算變換 英文
estimate conversion
  • 估 : 估構詞成分。
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 估算 : estimate; reckon （up）
  1. Then, we investigated the epistasis of gas using walsh - schema transform, and further evaluated the epistasis order for the < wp = 5 > continuous function optimization problems

    利用walsh模式變換對遺傳演算法基因關聯問題進行了分析，並對連續函數優化問題的基因關聯階數進行了估計。
  2. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。
  3. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況，從數據清洗方法、數據挖掘演算法、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路，並提出了一個數據挖掘系統的設計思想。文章首先，針對檔案數據的現狀，提出了應對檔案數據進行預處理工作，包括數據質量評估、數據清理、數據變換和歸約等過程；其次，在具體實現數據挖掘過程中，本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法，提出了具體的實現演算法和程序設計框圖，並論述了各種演算法在檔案工作中的應用范圍及前景；第三，在上述基礎上，又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方法；最後，從處理數據的多樣性、演算法的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果顯示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。
  4. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上，提出對寬帶信號的頻率補償，也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償，然後對各陣元輸出求和來得到方位估計；其次將連續小波變換引入到空間?頻率處理中，從而完成對目標方位的估計，並進行了相應地補償。
  5. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  6. At first, the thesis introduces the main specification of h. 263 recommendation, and in the following parts, illustrates the principle of the precision - improved dct algorithm, gives the compare results of the algorithm and the others. in the consequent chapter, the thesis presents the basic motion esti mation algorithm, then analyses the experiment results. at last, it forecasts the prospects of h. 263 recommendation research in the future

    本論文首先對實現ip電話系統所採用的h . 323協議的主要規范內容做了較詳細的說明；在隨后的章節中，介紹了改進的dct變換演算法的原理，對該演算法與其它變換演算法的實驗數據進行了比較；提出了新的基礎性運動估計演算法，對其原理進行了詳細說明，通過分析實驗數據，給出實驗結論：最後，本文對h . 263未來的研究方向及市場應用前景進行了展望。
  7. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法，即處理隨機誤差的小波變換方法和估計系統誤差的kalman濾波演算法;介紹了小波變換方法的發展過程和國內外的研究現狀;綜述了彈道測量數據的實時數據處理和事後數據處理的概念和發展狀況。
  8. Researched four technology of structure conversion about digital video, de - interlaced, frame ratio down or up, row ration down or up, the width and high transforming, implemented lots of corresponding arithmetic of four techniques, motion compensate structure conversion method based on the motion estimating improved the image sequence definition and liquidity degree

    4研究了數字視頻結構變換的四種技術：去隔行技術，變頻技術，行頻轉換技術，寬高比變換技術。實驗驗證了大量的相關演算法，其中基於運動估計的運動補償結構轉換方法，清晰度和流暢度得到了很大的提高。
  9. This dissertation contains the following parts : the extraction algorithm for instantaneous frequency of asymptotic signals based on wavelet ridge is proposed in this dissertation, and the asymptotic estimation method for wavelet transform of asymptotic signals is deeply studied

    本論文主要做了以下工作：提出了基於小波脊線的漸近信號瞬時頻率提取演算法，並研究了漸近信號小波變換的漸近估計方法。
  10. A fast fourier transform algorithm to estimate carrier frequency deviation

    快速傅里葉變換載波頻偏估計演算法
  11. In this method, the principal axes method is used to estimate the parameters of the transformation, then with the estimated pamameters as the initialization of powell optimization method and with all of the available information as the feature, a high accurate registration is achieved by calculating the minimum standard deviation between the registered images

    該方法首先採用主軸法對變換參數進行初步估計，之後採用powell最優化演算法，利用全圖像灰度信息來作為圖像的參考特徵，通過計算配準圖像之間差的平方和的極值來實現圖像配準，從而提高了配準精度。
  12. In the second chapter, the mathematical morphology is used to the target detection problem. first, a background estimator using gray morphologic open operation is proposed. second, a small target detection method based on the gray morphologic top - hat transform is put forward

    在第二章中，作者將灰度形態學運用於目標標檢測中，提出了一種基於灰度形態開、閉運算的非線性背景估計方法，然後論述了運用灰度形態top ? hat變換的小目標檢測方法。
  13. In this paper, the main problem is to detect the position and velocity of moving target by fractional fourier transform which could be concluded by three parts, the echo model establishment of moving target, the realization of fractional fourier transform and parameters estimation of moving target, detailed contents are as follows. firstly, the paper analyses the echo model of sar static target and introduces a kind of sar imaging algorithm, range - doppler ( r - d ) algorithm

    本文的主要內容包括三個部分，即動目標回波模型建立、分數階傅立葉變換的實現和動目標參數估計，具體來說，其內容如下:首先，本文研究分析了合成孔徑雷達靜止點目標的回波模型並介紹了一種基本的合成孔徑雷達成像演算法? ?距離-多普勒（ r - d ）演算法。
  14. ( 3 ) the conventional interpolated dft algorithms are analyzed. a new method, which estimates frequency with high precision and fast rate compared with the mentioned methods for the real single tone based on dft, is presented

    （ 3 ）在分析常規的插值演算法基礎上，提出了一種單信號的快速插值頻率估計方法，只需三個fft變換系數的實部構造頻率修正項，計算量低。
  15. Influences of measured values from phasor measurement units on equivalent current based measurement transform algorithm in state estimation

    相量測量單元測量值對狀態估計中等效電流量測變換演算法的影響
  16. The technologies in the dissertation mostly include : * the systemic architecture of both video encoding and video decoding principles ; * the tv principles and the video part of mpeg - 2 standard ; * the analysis and the comparison of the algorithm of bit - rate control ; * the realization of the algorithm and the evaluation of its results

    主要技術包括： *視頻編碼與解碼系統原理的體系結構； *電視原理、制式以及mpeg - 2視頻編碼解碼系統標準； *對本次研究的mpeg - 2視頻碼流的碼率變換的演算法分析及性能比較； *實現演算法且對碼率變換后的碼流質量進行評估；
  17. Improving methods are introduced about how to solve the problem of initial value and global minimum, how to find the closest contour point, and how to find the 2d transformation of terrain matching algorithm based on icp algorithm in the dissertation. icp algorithm by igg m - estimation is proposed for improving the robustness. the simulation results show that the algorithm is reasonable and effective

    本文對icp演算法在水下潛器的地形匹配應用中的初值和全局最優、求最近點和進行二維變換等問題提出了改進的方法，而且提出了採用igg方案進行m估計以提高演算法的魯棒性，模擬結果證實此方案的合理性和有效性。
  18. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  19. This paper has set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. besides, concrete example analysis has been made on this technology aiming at different types of oil - bearing reservoir prediction. summing up the characteristic of this technology, this paper point out its further direction in development

    基於上述目標，本文主要做了以下幾方面的工作：詳細分析了石油勘探局中多種儲層預測方法的技術特點及本身在解決實際地質問題上的不足之處；在繼承前人研究和技術的基礎上，以「數據驅動法」為數學物理的理論基礎，通過多屬性變換和神經網路技術，把地震參數的多屬性分析技術、儲層反演技術和近年出現儲層物理特徵重構的技術思想有機地結合在一起，建立起一套儲層多參數非線性預測研究和儲層多參數估算技術平臺；對該項技術針對不同類型含油儲層的預測研究做出了具體的實例分析；總結了該項技術的特點，並指出進一步的發展方向。
  20. Secondly, we study the preprocessing part of system, a method of bidirectional multi - resolution motion estimation via radon transform is proposed, which can be used to estimate both pixel and subpixel motion vectors with robustly accurately and efficiently. bad frames elimination via the variances of lr frames in the sequence is preformed before the implementation of the super - resolution algorithm

    其次討論了超分辨預處理過程，提出了基於radon變換的雙方向多解析度運動估計方法，演算法可以穩健、精確的在較大范圍內實現亞象素運動估計;以圖像方差為標準，判斷序列圖像中個別幀損壞嚴重為「壞幀」 ，在超分辨重建之前預先去除。
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