選主元 的英文怎麼說

中文拼音 [xuǎnzhǔyuán]
選主元 英文
pivoting
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  1. By two ways, this paper debates the theory of fracture detection : on one hand by the way of edge detection in image processing ; on the other hand by time series analysis. the detection by time series analysis is more antinoise than edge detection in image processing. edge detection theory in image processing mainly includes correlation data, fuzzy edge detection, entropy operator edge detection and gradient edge detection

    圖像處理中的邊緣檢測的方法要包括相干數據體法、模糊邊緣檢測法、基於熵運算的邊緣檢測法、梯度邊緣檢測法;其中模糊邊緣檢測法比較依賴于參數的擇,其渡越點兩邊的像素區別明顯;熵運算的檢測方法則是檢測的圖像邊緣比較光滑,連通性好;梯度檢測法可以使用不同的運算核,演算法比較簡單;相干數據體對于總體的大的裂縫的分佈具有比較奸的反應。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測要評價因子的定量反演模型,並分析了模型的適用性。
  3. We hold that the integrate effect consists of two parts : 1 + 1 > 2 and a + b = c, in terms of math : here x1, x2, . . . , xn : integrate units s : functions of new system what features an integrated system are subjective initiative, non - linear function, dynamic connection, sub - system uncertainty, selective competition. the basic factors of integration are integrate context, integrate units, integrate interface and environment, which form the integration condition respectively the basic integrate patterns covers point - to - point, pipeline and hub

    首先,深入探討了集成的內涵,即集成是指為了實現某一目標,在一定的集成環境中,若干集成單動態地集合成一個泛邊界狀態的有機整體的過程,指出集成效應的數學解釋除了1 + 1 2外,還應該包括: a + b = c ,即若以x _ 1 , x _ 2 , … … , x _ n代表集成單, s代表集成后新系統的總功能,那麼其特徵有:體行為性、功能非線性、關系動態性、單泛化性、擇競爭性;集成的基本要素包括集成背景、集成單、集成界面和集成環境等四要素;基本模式有點到點模式、管線型模式和集線器型模式;基本條件有集成背景條件、集成單條件、集成界面條件和集成環境條件。
  4. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的要內容如下: 1 )對翅片管蒸發器結構特點進行分析,取適當的微控制體,就干、濕和霜工況下對每個微分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  5. Aimed at the trends of ftu in our country and overseas, the thesis first give the summary of characteristics towards current feed terminal unit used in electric automation, then detailed introduce the adoption of microchip msp430f149 for the cpu design

    論文結合國內外ftu的現狀和發展趨勢,對ftu的要功能進行了分析研究,設計了以ti公司msp430f149單片機為ftu核心的控制器系統硬體電路,並對硬體電路的設計原理、電路組成及器件擇進行了詳細分析。
  6. This paper is an analysis of the agriculture - dominated yuanmou county characterized by mountainous, tropical and droughty agriculture from the perspective of approaches of developing specialty agriculture in sw china inhabited by minority ethnic groups and against the background of county agriculture development in the rest of yunnan and even the rest of the whole country. in the paper a variety of approaches are employed, such as demonstration, contrast and statistics, no to mention the introduction of reference index system of economic competitive power for the purposes of contract, analysis and assessment

    本文從西部邊疆少數民族地區如何發展特色縣域經濟的視角出發,以全國和雲南省的縣域經濟為研究背景,擇了雲南謀這個具有農業導縣特徵、山區縣特徵和獨特「乾熱資源」有特色產業的縣作為研究對象,以實證、對比等統計方法作為研究手段,並以中國縣域經濟競爭力評價指標體系的指標作為參照指標,進行對比、分析和評價。
  7. The main idea of this method is to choose a set according to the order of polynomials, to eliminate by making use of bezout eliminant, get zero set from the improved formula about set of zero points, so that a polynomial system of equation ~ set of zero points can be got only by one time arrangement

    該方法的要思想是:根據多項式秩的大小取基組,採用貝左結式消,用改進型零點集結構式確定零點集,從而只需一次整序就可求得一個多項式方程組的零點集。
  8. The election of important components and the design of blending tank are also explicated

    詳細說明了機械部分件的型以及混合油箱的設計。
  9. At the same time, in order to get adapted to the market change, improve the competitiveness, reinforce the cohesiveness and maintain the upswing trend, cec should take effective measures, such as to accept new idea and develop the managers " awareness of competitiveness ; reform the selecting and appointing mechanism ; establish a sound compensation system ; improve consumption for the position ; break the dominance of state - owned shareholders on the stock market and improve corporate governance structure ; reinforce the financial supervision on the corporation ; make a full use of restraint effect of competitiveness and reputation mechanism ; build various " golden parachutes "

    與此同時, cec在企業經營者激勵與約束方面應採取針對性的措施,通過轉變觀念,樹立市場經濟的競爭意識和產權意識;改革企業經營者的拔任用方式,積極推進企業經營者管理的市場化進程、建立科學合理的薪酬體系、規范職位消費,實行職位消費貨幣化、調整股權結構,實現投資體多化,健全公司法人治理結構、加強企業財務監控和內部制度建設、充分發揮市場競爭機制和聲譽機制對企業經營者的激勵約束作用、設計各種形式的「金色降落傘」等措施的實施,適應市場變化,提高企業核心競爭力,增強企業的凝聚力,保持事業的長盛不衰。
  10. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    總線採用isa內部總線;介面要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等,課題分別用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題用了微動式行程開關、壓力變送器作為傳感件檢測系統,用繼電器、電磁控制換向閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。
  11. Based on the investigation of information resource digitization projects both in domestic and abroad libraries, the authors conclude that this kind of project is a complicated and systematic project, which is composed of main elements such as project planning, source material selection, digitization work flow preparation, digital file storage, metadata extraction, intellection property right management and project management

    摘要在對國內外圖書館信息資源數字化項目考察的基礎上,指出這類項目的實施是一個比較復雜的系統工程,其中所包括的要要素有項目規劃、數字化內容擇、數字化流程準備、數字文檔保存、數據析取、知識產權管理和項目管理。
  12. At the first step of the algorithm, based on the theory of principal component analysis, a modified principal component analysis ( mpca ) approach is adopted to reduce the dimension of data horizontally, then after comparing existing clustering algorithms, an immune clustering algorithm is put forward based on similarity measurement of principle component core for vertical reduction by using related mechanism of clone selection as well as immune network self - stabilization in natural organic immune system for reference

    在進行樣本參量的降維處理時,基於分析的思想,採用一種改進的分析( mpca )方法用於橫向數據壓縮,在壓縮樣本數量時,綜述和比較了現有的各種聚類演算法,借鑒生物體自然免疫系統中克隆擇以及免疫網路自穩定等有關機理,提出了基於核相似度的免疫聚類演算法用於縱向數據壓縮。
  13. Kernel function optimization in kernel principle component analysis and its application to feature extraction of gear faults

    分析中核函數參數優方法研究
  14. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以零序電流、模電流等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動件、件、方向件、保護的保護新方案。
  15. In 1976, after appearing in the film hand of death countdown in kung fu, directed by a young john woo, jackie went to australia a short while to be with his parents. he returned to hong kong the same year, and was signed as a lead actor by the lo wei film company

    成在七小福時期憑著一副身手,在一次京劇的表演中,于師父洪金寶彪和成,擔演一套京劇七小福的角。
  16. In this thesis, we adopt the technique of statistical training, create a sample database of every kinds of expression face images, construct a matrix of the difference of each sample and average image, and reduce dimension by pca, then decrease the relativity of principle components by ica, and therefore get the character sub - space of face. when detecting a face, we adopt the method of disturbing principle components of model to match special facial image, which is called whole optimization method in this thesis

    論文採用統計訓練的思想,擇包括各種表情變化的人臉圖像建立樣本庫,取所有樣本與平均圖像的差構造一個矩陣,利用分析方法進行降維,然後通過獨立分析降低相關性,建立了人臉的特徵子空間;演算法採取對進行擾動優化匹配的方法檢測人臉,本文稱此方法為全局最優的方法。
  17. In this paper, we consider the optimal parameter vector a of the modified incomplete gauss _ seidel method ( migs ). we prove that the spectral radius function of the iterative matrix t of migs with parameter vector is strictly monotonic decreasing with respect to a satisfying 0 e if the classical gauss _ seidel method converges for a z _ matrix. some properties of the left and right eigenvectors corresponding to the largest eigenvalue in modulus are given, too. these results are useful to find an optimal parameter for migs

    目前要的方法有兩類:一是充分利用所給矩陣a的特點,採用適當的取策略,使分解出的因子盡可能地保持稀疏性;二是迭代法。對于第二種方法,迭代矩陣的取具有決定作用。只有取的迭代矩陣的譜半徑小於1才能保證迭代法收斂。
  18. The vd is composed of four functional units : 1 ) the branch metrics unit ( bmu ) ; 2 ) the add - compare - select unit ( acs ) ; 3 ) the path metrics unit ( pmu ) ; 4 ) the survivor memory unit ( smu ) ; regarding the power dissipation of the viterbi decoder, the smu is the hottest spot in the viterbi decoder due to the frequent memory accesses. there are two traditional techniques for the realization of survivor memory unit in viterbi decoder - - register exchange ( re ) and trace back ( tb ) method

    這是當前開展低功耗邏輯優化的重要方面,也是本課題採用的方法。 viterbi譯碼器要由四個功能單組成:分支度量單( bmu ) ,加比( acs ) ,路徑度量存儲單( pmu ) ,倖存路徑存儲和輸出單( smu ) 。本文所做的viterbi譯碼器設計採用模塊化的設計方法,先對各個功能單進行優化設計,然後將各個功能單組合在一起,形成最終的譯碼器。
  19. Besides the above - mentioned efforts, this thesis also applies the pdf of the principal components to detect the faulty batches of the batch process and the result is encouraging, which provides a new option for process inspection

    另外,本文也嘗試用pdf對間歇生產過程的故障批次進行檢測,取得了較好的效果,從而為今後間歇生產過程批次檢測的問題提供了一個新的擇。
  20. The error analysis shows that the main features of frf can be extracted by using less principal components, and the more the principal components, the more precise the reconstructed frf

    誤差分析表明,可以用較少的向量來綜合表徵高維的結構頻響函數;並且取的個數越多,對頻響函數的表徵越精確,重構誤差也越小。
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