真分數 的英文怎麼說

中文拼音 [zhēnfēnshǔ]
真分數 英文
[數學] proper fraction
  • 真 : Ⅰ形容詞（真實） true; genuine; real Ⅱ副詞1 （的確; 實在） really; truly; indeed 2 （清楚確實） cl...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Combined with the foundation research ( avigation science fund 04d52032 ) ” study on cfar detecting expert system base on clutter tracking ”. this paper study the fractal technic and snake algorithm on the application of clutter tracking. it proved that the method was effective by the algorithm which adapt to the real and simulant clutter data

    本課題結合航空科學基金「基於雜波跟蹤融合的恆虛警檢測專家系統研究」 ，研究分形技術和snake演算法在雜波跟蹤中應用，設計了相應的演算法，通過分析真實數據和模擬數據驗證了演算法的有效性。
  2. In various speech character parameters, formant frequency, bandwidth and pitch frequency are chosen as voice character parameters. the reasons are as follows : hearing apperceive experiments indicates that formant frequency can stand for a majority of voice information, while average pitch frequency can explain 55 % ability of speaker verification

    數據結果與多項式回歸和線性多變量回歸相比，支持向量回歸既提高了泛化性能又避免了頻譜不連續性，從而使轉換語音與目標語音的頻譜距離失真分別減少了33 . 29 %和35 . 24 % 。
  3. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  4. Harmonic distortion is one of the most common non - linear distortions, and it affects the playback performance of audio devices directly. harmonic distortion graph reflects the distortion distribution in the whole audio frequency range

    諧波失真是音頻設備最常見的一種非線性失真，它直接影響到音頻設備的重放效果，諧波失真曲線圖反映出設備在整個音頻范圍內的失真分佈情況，是衡量設備性能的重要參數。
  5. Based on fractional sampling method, a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed

    因此針對嚴重頻率衰落和非線性相位失真通道，提出了一種分數采樣的混合盲均衡演算法，並獲得了較快的收斂速度和較小的剩餘均方誤差。
  6. After vacuum concentrating and discoloring with 1. 5 % h2o2, then adding mixed fatty acid or mixed fatty acid ethyl ester as a fluidizing liquor, the hydrated rapeseed phosphatide can be mixed with 50 % soybean meal and 50 % diatomite to manufacture a premixed feed from rapeseed phosphatide, which can obviously improve the production performance when applied to feed giant freshwater prawn and duck

    摘要菜籽水化磷脂經真空濃縮，用質量分數1 . 5 %雙氧水脫色，然後添加適量混合脂肪酸或混合脂肪酸乙酯作流質劑，與50 %豆粕加50 %硅藻土組成的混合載體製成磷脂預混飼料，用於飼喂羅氏沼蝦和蛋鴨，生產性能明顯提高。
  7. For instance, a technically impressive game that ' s highly unoriginal may be tilted low, while a game with a truly outstanding story but an unremarkable presentation may be tilted high

    比如，一個技術上很顯眼的游戲可能因為沒有原創性而被降低分數，而一個看上去不那麼美的游戲也會因為真正精彩的故事線而得到加分。
  8. After analyzing every technique in detail, we present some new idea and improvement to every key step : present an improved parameterized face model of candide - 4, which is a subset of mpeg - 4

    在對每個技術細節進行認真分析的基礎上，本文對各個主要步驟都分別提出了新的見解和改進。提出了一個改進的candide - 4參數化人臉模型。
  9. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  10. Firstly, based on the analysis of the principle of the capacitor discharge ignition system in the gasline engine and the characteristics of ignition parameters in the gasline engine, the author proposes the methods of ignition parameters measurement, including the speed of the gasline engine, ignition advance angle, ignition voltage, ignition current and igniton energy

    首先，在認真分析汽油機電容放電點火系統的工作原理及其點火參數的特性的基礎上，提出了汽油機轉速、點火提前角、點火電壓、點火電流和點火能量的測量方法。
  11. This dissertation has made a detailed analysis to the work device of the tractor - haulage scraper, built an appropriate mathematics model, and optimized the original digits with genetic algorithm, the result of increasing the ground clearance is achieved

    摘要對施式鏟運機工作裝置作了認真分析，建立了恰當的優化數學模型，利用遺傳演算法對原始數據進行了優化，提高了離地間隙。
  12. Chapter 4 discusses how to process live data by adopting wavenumber domain ( w _ k ) algorithm and its simplified algorithm, and achieves satisfying results

    第四章採用波數域及其簡化演算法分別對星載旁視sar和機載前斜視sar真實數據進行處理，取得了預期的結果。
  13. On using the theorem of scrap number operation to confirm the resolution of rational proper formula

    用殘數運算定理確定有理真分式分解
  14. One forth is a proper fraction

    四分之一是一個真分數。
  15. This paper aims at the relevant study on internet - based item bank and test system. based on analysis and comparison of true score theory, the classical test theory and item response theory, the modern test theory, this paper mainly discusses test paper preparation on network and test quality analysis

    本文針對基於internet的題庫及測試環境進行相關研究，在對經典測試理論?真分數理論（ truescoretheory ）與現代測試理論?項目反應理論（ iternresponsetheoryirt ）分析比較的基礎上，主要對網上組卷及考試質量分析進行探索。
  16. The vq - based approach assumes a gaussian mixture distribution, which fits real - world image data reasonably well. after estimating this distribution through em method, this approach trains optimized vector quantizers to partition data space

    該方法使用更適合真實圖像庫的高斯混合模型描述數據分佈，並訓練優化的矢量量化器劃分數據空間。
  17. Exam results and the proportion of the students entering schools of a higher grade are the only targets and this is used as its assess standard. as for the teaching contents, it pays its attention to the teaching of indirect experiences and as a result, what is learned is divorced from practice. the basic teaching steps put forward by karav are more used, that is, " teaching organization - review - check - transfer to the new lesson - study - consolidation - assignment ", while the students can not play their main and creative role in this way

    在教學理念上，傳統教學強調教師的主導作用，忽視學生的個性差異；在評價機制上，以考試分數和升學率為惟一的衡量教學質量的指標，不注重學生的綜合發展；在教學內容上，注重書本上的間接經驗的傳授，所學內容與社會實際嚴重脫節，不能培養真正適合社會需要的人才；在教學方法上，多運用凱洛夫的「組織教學?復習檢查?導入新課?學習新課?鞏固新課?布置作業」的基本教學環節進行教學，學生的主體作用和創造能力難以發揮。
  18. A monte carlo model was developed for simulating the adsorption behaviors of linear macromolecule chains on the solid - liquid interface. the simulations were performed on a simple cubic lattice, which was 50 50 50 sites in size. the concentration profiles of total segments, tails and loops in dilute solutions were used to analyze the influences of simulation parameters ( body concentration, interaction energy between segments, adsorption energy of interface, and macromolecule chain length ) on various adsorption configurations

    本文採用montecarlo方法構造了水溶性均聚鏈狀高分子固液界面吸附模型，在50 50 50簡單立方格子上模擬研究了高分子稀溶液中鏈節濃度、鏈尾和鏈環分佈，並結合真實高分子鏈的吸附行為，討論了模擬參數（鏈節間相互作用能、界面吸附能、體相濃度與鏈長）對各種吸附構型分佈、吸附量、表面覆蓋度和附著分數的影響。
  19. Based on the actual condition of gezhouba hydroeletric power plant, this paper points out the basic way for unit increasing capacity rebuilding of this plant after serious analysis and site review of lots of information of unit increasing capacity of hydroelectric unit at home and abroad. for this rerebuilding plan, we have made a lot of experiment and analyzed the data, the result show that the unit increasing capacity is necessary and feasible in this plant, additional, this paper describes project management, organization struture, management method, and evaluates this project value

    本文對國內外眾多水電機組增容改造資料進行了認真研究和實地考察；通過對水力發電機組增容改造技術的研究，結合葛洲壩電站實際情況提出了葛洲壩電站機組增容改造的基本途徑；針對葛洲壩電站機組改造方案，進行了大量的試驗，認真分析了試驗數據，用試驗結果充分證明了葛洲壩電站機組增容改造的必要性和可行性；本文還就該工程項目管理的必要性、組織結構、管理方法進行了闡述，並對該項目進行了項目評估。
  20. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開，對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析，採用線性回歸，灰預測，神經網路bp演算法，基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度，經多種方法的比較得出，基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。
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