指數換演算法 的英文怎麼說

中文拼音 [zhǐshǔhuànyǎnsuànfǎ]
指數換演算法 英文
indexation
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。
  2. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  3. By means of laboratory and field experimentation of typical semi - rigid base materials, the relationships among laboratory experimental values, field maintain values, field core values and construction criteria are put forward. and the relationships between different test methods are established. using time - temperature conversion principle, it processes the intensity assessment of field cores, then offers the method of determining the test deflection of pavement surface

    通過典型半剛性基層材料的室內外試驗，研究主要設計參數的室內試驗值、野外養生值、現場取芯值及施工指標間的關系，建立了不同試驗方法間的相關關系，運用時溫換演算法則，對現場芯樣進行強度評定，並提出了路表彎沉檢測標準的確定方法。
  4. 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。
  5. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  6. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷，本文設計出隨相對遺傳代數呈雙曲線下降的自適應交換率，並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明，具有自適應交換率和變異率的遺傳演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高
  7. If possible try to recover portions of the image that have been tampered without accessing the original image. in the past, several techniques and concepts based on data hiding or steganography have been introduced as a means for tamper detection in digital images and for image authentication - fragile watermarks, semi - fragile watermarks, and self - embedding watermarks. the research of this thesis mainly includes self - embedding and semi - fragile watermarks

    目前用於數字圖像完整性驗證及自修復的數字水印方案主要有完全脆弱性水印、半脆弱性水印、自嵌入水印等，本文主要研究自嵌入及半脆弱數字水印，分別從空域及變換域角度詳細分析當前國內外現有的各種演算法，指出其不足之處，並提出了相應的改進演算法，實驗結果表明本文演算法的有效性與實用性。
  8. This paper suggests that the integral of the state equation is evaluated directly through the exponential matrix based on the pim, thus several series solutions are obtained. utilizing the symmetry of matrices and the idea of substructure, the computational precision and efficiency of the pim are improved

    本文深入研究精細積分及動力方程演算法，基於指數矩陣計算、 pade逼近理論，在時域上對非線性動力狀態方程直接積分求解，構建若干系統響應求解格式，並分析了演算法精度、效率；通過矩陣變換，利用矩陣對稱性、子結構等方法改進精細積分計算效率。
  9. Finally, for the definite mechanism and indefinite size of industrial robots ' executor as well as the size ^ optimization goal, the mathematic model is set up to optimize the executor ' size with using complex optimization method. next, for the optimized executor, the desired trajectory and planning goal, the kinematics model and proper referent and motive coordinates systems are set up. by making use of the result of the previous motion analysis, genetic algorithm is applied to the trajectory planning of executor

    最後，對于結構給定而構件尺度未定的工業機器人執行機構，先根據機構尺度優化目標，建立數學模型、用復合形法進行構件尺度優化；再根據給定的期望軌跡和規劃目標，建立數學模型，利用復指數變換法對執行機構進行運動分析的結果，採用進化演算法對工業機器人進行軌跡規劃。
  10. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎，結合圖像處理和模式識別方法，設計並開發了虹膜圖像採集裝置，建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別，這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺，對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價，通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  11. While in the feature extraction, four ways are researched such as the means of encode of iris texture, the improved algorithm based on daugman ' s, the approach of identification by means of the fourier spectra of the transmission binary model of the human irises and the method of iris identification using wavelet transform. the advantages and disadvantages of these ways are compared. improved algorithm based on wavelet transform is proposed and proves feasible

    虹膜定位中既分析了前人的一些演算法，指出演算法中的不足，又結合數學形態學和hough變換等理論提出兩種新的虹膜定位方法；虹膜特徵提取演算法中，研究了daugman對虹膜紋理的粗量化和編碼，康浩等在daugman基礎上的改進演算法， muron等人的利用虹膜二元模型的傅立葉光譜分佈特徵進行識別以及boles的基於小波變換的虹膜識別演算法等，比較出各個演算法的優缺點，並且在boles的研究基礎上進行了改進，經實驗證明該方法可行。
  12. Based on the model of divided form and inserted value, this paper analyzes the small wave commutation and divided form and then forms the repeated replacement arithmetic of the inserted value for the shanghai securities exponent tend on the newly - typed prediction

    摘要基於上證指數的分形插值模型，通過小波變換和分形分析，構造了新型的預測上證指數趨勢的插值迭代演算法。
  13. The fundamentals and basic flow of genetic algorithm are discussed in detail. associated with the production mode and characteristics of wall - paper industry, its production scheduling belongs to the hybrid flow shop ' s problem. applied based - on permutation coding genetic algorithm and used minimal production time as target function, it is solved the problem of low efficiency of wall - paper production equipments " utility that is caused by manpower scheduling and improved the production efficiency

    2 ）對生產調度問題的研究現狀和研究方法做了綜述和整理，深入探討了遺傳演算法的基本原理和基本流程，並結合墻紙行業的生產模式和生產特點，指出其屬于混合flowshop問題，採用基於置換編碼的遺傳演算法，並以最小生產時間作為目標函數，較好的解決了由人工調度帶來的墻紙生產設備使用效率偏低的問題，提高了生產效率。
  14. Taking itae criterion as evaluating function of hydro - generator fuzzy gpss, the head - and - tail alternate crossover ga is compared to classical ga. the results show that the evolutionary rate of the former is apparently higher than the latter under a same accuracy

    以itae指標作為設計水電機組模糊gpss的評價函數，對首尾輪換交叉遺傳演算法與常規交叉遺傳演算法進行比較，結鄭州大學工學碩士論文果表明，對同樣的參數精度，前者的進化速度明顯高於後者。
  15. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號，進而帶動電機驅動儀表指針轉動，計算機通過串口實時採集光柵測量系統的微位移信號，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時通過計算機軟體實現表盤圖像處理，包括預處理、灰度化、二值化、細化和hough變換等，最終快速識別出表盤指針的位置，並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  16. The emergence of the ordinary digital images ( which in this paper means the digital images acquired by common non - metric digital cameras ), resolved the the problem of acquiring images quickly on the spot, and lowered the requirement for equipments and skills in photogrammetry, so that made photogrammetry a whole digital process. but all current ways to the measurement of ordinary images are based on dlt or bundles theory, which both require a lot of control points distributing properly, and are inapplicable. in order to increase the adaptability and accuracy of digital close - range photogrammetry based on common digital cameras, researches and experiments have been done on these methods in this paper, as following : 1

    普通數碼影像（在本文中主要指採用普通非量測數碼相機獲得的數碼影像）的出現，解決了現場快速獲取影像的問題，且降低了近景攝影測量作業對設備及技能的要求，並使攝影測量過程成為全數字流程，但現有的對普通數字影像的量測處理演算法均是基於直接線性變換或光線束理論的，存在像控點要求多、分佈要求高、不適宜應用的缺點。
  17. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析，針對遺傳演算法在巖土工程參數反演運算中進行了改進，改進的策略主要集中於三個方面： 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復合遺傳搜索法； 2 、針對遺傳運算元的選擇策略，引入指數適值方法，設置雙交換池，提出了重復篩選法； 3 、加強對劣勢種群的內部優良信息的遺傳功能的改進，引入權函數，擴大可交叉運算元的種類，保留各運算元的進化功能，提出了融合交叉運演算法。
  18. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上，篩選出23個警兆指標：農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金比重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同時論文在預警方法上作了新的嘗試，把糧食價格預警問題轉換成一個機器學習問題，引進當前國際上機器學習領域中比較熱門的統計學習理論和支持向量機方法，用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。
  19. In this paper, both speckles filtering in space and wavelet based methods is used to reduce the speckle. analysis is done to compare the result of filtering. the paper uses enhanced lee filter, unbiased gmap algorithm, shrinking of wavelet coefficients algorithm, wavelet analysis with wiener filter, wavelet analysis with space filter to filter the speckle in four different sar images, and gives a suggestion for the choice of right filter in different situation

    分別選用增強lee濾波演算法、無偏gmap演算法、小波系數壓縮濾波演算法、小波變換與維納濾波相結合、小波變換與空間濾波相結合的方法對四幅不同的sar圖像進行濾波，指出了各濾波演算法對不同圖像處理的優缺點，給出了在不同應用環境下，選擇使用不同濾波器的意見。
  20. Then, switching algorithms are studied and the properties of some performance indexes are analyzed

    其次，本文就目前切換演算法的幾種性能指標進行研究，對切換性能指標函數的性質進行理論分析。
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