有效縮小值 的英文怎麼說

中文拼音 [yǒuxiàosuōxiǎozhí]
有效縮小值 英文
effective reduction
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 縮 : 縮構詞成分。
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 有效 : effective; valid; efficacious
  • 縮小 : reduce; lessen; narrow; shrink; reduction; contraction; minification; diminution
  1. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  2. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  3. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。
  4. Four methods have been taken to decrease the total heat quantity generated by the solenoid coil. the four methods are to reduce the duration of the high voltage, to reduce the amplitude of the high voltage, to reduce the duration of the control signal, and to reduce the amplitude of the low voltage. it was found that the four methods did have some effect on temperature

    研究發現，以減小電磁閥的總發熱量為目的而採用的縮短高電壓作用時間、降低電磁閥高低壓驅動的高電壓幅值、縮短控制信號持續時間和降低維持電壓的四種方法，對減小電磁閥的發熱都是有效的，但效果都不特別顯著。
  5. According to the slice variable, all the phrases which affect the value of slice variable are put into a slice file and fault will be deleted if the result is wrong after executing hence the range of locating fault is reduced and debugging efficiency is improved

    通過對程序按測試結果的分析選擇合適的切片變量進行程序切片，從給定的切片變量和語句編號處向前回溯，找出所有直接或間接影響切片變量值的語句，將其組成一個切片。若切片變量的值錯誤，則出錯范圍必在其切片內，這樣可以縮小定位錯誤的范圍，提高調試效率。
  6. For the walls poured by ordinary concrete, the emm and ttm obtain the same qualitative conclusion, despite of some discrepancies in the specific value. but for the walls poured by the scc, the restraining stress calculated by the emm is remarkably smaller than that by the ttm. in other words, the emm results shows that the shrinkage compensation technology can take place the measures of setting dilatation joints, while the ttm results indicates that, though the restraining stress is decreased, the decreased amplitude is inadequate

    對計算結果的比較和分析表明，對普通混凝土墻，結果的具體數值有差異，但反映的定性規律相同；對補償收縮混凝土墻，結果差異巨大，等效模量法認為補償收縮技術可實現無縫設計，而時程方法在承認補償收縮技術可減小約束應力的同時，認為應力減幅還不足以實現無縫設計。
  7. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論和懸臂施工方法的特點，提出了以最佳成橋狀態作為施工控制的最終目標，以實施最佳施工階段為技術路線，以索力調整為核心內容的斜拉橋施工控制理論，簡稱為最佳成橋狀態法；以斜拉橋主梁標高誤差最小為目標函數，以主梁內力（彎矩）為約束條件，以索力為優化變量，建立了最佳施工階段的索力調整計算模型；推導了考慮徐變收縮效應的索力調整計算公式；用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究，得到的成橋狀態與設計目標相當接近，優于該橋以「雙控」為控制目標的實測結果，有力地證明了本文方法的正確性及其工程實際價值
  8. Through the theoretical calculation and parameter analysis and compared the result with general composite beam, the results show that the section stress redistributed by the effects of concrete shrinkage and creep and tensile stress by difference temperature will be greatly reduced. the forcing characteristic of this

    通過理論計算和有限元參數分析，與常規組合結構進行對比，驗證了預應力波形腹板組合結構具有大大減小徐變引起的應力重分佈及溫差和收縮效應在混凝土板產生的拉應力值、對加載齡期和持荷齡期不敏感的特點，結構受力性能非常優越。
  9. The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction

    本文的主要研究內容： （ 1 ）定量金相分析和顯微硬度測量的方法研究； （ 2 ）利用數字圖像處理技術，實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理；引入小波理論、基於數學形態學的區域生長法對采樣圖像進行分析，實現了對採集圖像邊緣的有效提取，從而提高了測量精度； （ 3 ）開發了金相圖像分析系統的主體結構（硬體結構和軟體結構） ； （ 4 ）採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計； （ 5 ）提出了採用多模式的知識表示方法建立知識庫，應用正反推理、模糊數學模型、基於規則的模式匹配模型建立金相分析專家系統。
  10. Abstract : an identification model of taste signals is developed based on fuzzy neural networks. the data compression and feature extraction of the sampled taste signals obtained using taste sensors are implemented employing wavelet transformation. fuzzy neural networks are used to identify the taste signals. the training of network weights and the optimization of membership functions are conducted employing genetic algorithms. the data processing and fuzzy identification of mixed acid and sweet taste signals are realized. simulated experimental results show that it is feasible and effective to introduce fuzzy neural networks into the fuzzy identification of taste signals

    文摘:文中提出了一種基於模糊神經網路方法的味覺信號識別模型，利用小波變換實現了對傳感器所採集的味覺信號進行數據壓縮及特徵抽取，以模糊神經網路作為味覺信號的識別工具，並利用遺傳演算法訓練網路權值、優化隸屬度函數.文中實現了對酸、甜復合味覺信號的數據處理和模糊識別.實驗結果表明了將模糊神經網路引入到味覺信號模糊識別的可行性和有效性
  11. And then, the soft / hard threshold was used to shrink the wavelet coefficient of the signal and reconstruct the signal. the method can suppress pseudo - gibbs phenomena on the singularity points of signal produced by de - noise algorithm based on wavelet shrinkage

    此方法對含噪信號進行循環平移，利用軟閾值或硬閾值函數對含噪信號的小波分解系數進行收縮操作，並重構信號，再進行反向的循環平移，能有效地抑制pseudo - gibbs現象。
  12. Through anatomizing ezw coding algorithm and taking the effects of human being ’ s vision characteristics on quality of reconstituting image. a improved zeretrees algorithm are put forward. at last a new image compression encoding algorithm based on wavelet transform and vector quantization is put forward. the experiment show, in very low bit rate, using the proposed algorithm, the reconstructed image is superior to that of ezw in both of perception and psnr

    最後，在小波樹的基礎上，通過對矢量量化的研究，本文提出了一種基於四叉樹結構新的小波樹矢量量化壓縮編碼演算法，實驗證明，在較高壓縮比的情況下，使用此方法得到的重構圖象質量（視覺效果和峰值信噪比）比通常的小波壓縮演算法有了較大的提高。
  13. On the basis of getting the gamut shells and gamut sections, an adaptive compression mapping method is designed and realized. the method ' s anchor point is selected according to the maximum chroma point of printer gamut, so the mapping distortion could be decreased to some extent in the maximum distortion subregions

    在獲取整體色域外殼與色域剖面對比圖的基礎上，設計並實現了自適應壓縮匹配演算法，該演算法按彩度最大點位置確定映射參考點的明度值，具有自適應性，可有效減小最壞子域的匹配失真。
  14. Through a comparison between several treatment methods such as drainage consolidation, powder spraying, pressure mud pumping, gyratory spray pumping etc, the result shows that under suitable condition the application of gyratory spray pumping has some advantages such as short construction period, high ground base bearing force after treatment and less compressibility. it can guarantee structures to be built in due time and safety after completion. those results show that gyrayory spray pumping technology has good practicality inengineering

    通過對排水固結法、粉噴法、壓力注漿法、旋噴注漿法等幾種應用處理方法的效果對比，表明旋噴注漿法處理地基在適宜的條件下應用，具有工期短、處理后地基承載力較高、壓縮性較小的優點，能保證構造物按期施工及其建成后的安全使用，只有較高的實際應用價值。
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