gradient 中文意思是什麼

gradient 解釋
adj. 形容詞 1. 傾斜的。
2. 【動物;動物學】步行的,能步行的。
n. 名詞 1. 〈英國〉(道路的)傾斜度,坡度,坡路。
2. 【物理學】梯度,陡度,(溫度、氣壓等的)變化率,梯度變化曲線。

  1. Method for determining the speed and average gradient of black - and - white aerial camera films

    黑白航空照相膠片感光度和平均斜率測定方法
  2. Photography sensitometry - black - and - white aerial camera films - determination of iso speed and average gradient

    航空攝影用黑白膠片iso感光度和平均梯度的測定方法
  3. To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

    為了提高抗噪聲,根據角特徵不僅灰度變化是不連續的,且相對周圍其他點的梯度方向也是不連續的,提出利用梯度角變化和梯度幅值作為角特徵檢測的另一個準則。
  4. 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主要包括相干數據體法、模糊邊緣檢測法、基於熵運算元的邊緣檢測法、梯度邊緣檢測法;其中模糊邊緣檢測法比較依賴于參數的選擇,其渡越點兩邊的像素區別明顯;熵運算元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元核,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。
  5. Clinical application value of serum ascites albumin gradient

    血清腹水白蛋白梯度的臨床應用價值
  6. Gradient and color histogram fusing based head - tracking

    基於梯度和顏色直方圖相融合方法的人臉跟蹤
  7. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明:有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展:有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  8. Purification : density gradient centrifugation ( sucrose & cscl )

    分離:密度梯度離心法(蔗糖&氯化銫)
  9. Density gradient centrifugation

    密度梯度離心
  10. Chemotaxis ( chemotactic movement ) a txis in response to a chemical concentration gradient

    趨化現象:一種對化學濃度梯度的趨化反應。
  11. Key experiments that validate mathematical models are also discussed, as well as molecular, cellular, and developmental systems biology, bacterial chemotaxis, genetic oscillators, control theory and genetic networks, and gradient sensing systems

    同時,亦會討論能驗證數學模型的重要實驗,同時也討論分子生物學、細胞生物學、發育系統生物學、細菌趨化性、基因震蕩器、控制理論、基因網路和梯度感應系統等。
  12. The results show that the strong winter monsoon will decrease the gradient of ssh, and change the characteristics of sst, which has influence on the sea current, especially in a shallow and closed sea area such as the south china sea

    結果表明:強冬季風會減弱海面高度梯度,普遍降低黑潮區海表溫度,對流場有一定的影響,尤其在南海這樣的封閉海區。
  13. Biogas in commercial size existed in sedimentary basin which has high deposition velocity and low geothermal gradient and shale, coalbed or compacted sandstone in unconventional environments

    商業規模的生物氣存在於具有高沉積速率、低地溫梯度的沉積盆地中和非常規環境下形成的頁巖、煤層或緻密砂巖中。
  14. The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section

    混凝土表面溫度隨外界溫度波動而波動,但內部的導溫性能很差,所以在外界溫度驟降時將引起很大的溫度梯度,從而在厚度方向上拉應力發展很快,這極易引起全斷面拉應力發生。
  15. The point of singular signal ' s conjoint pixel always changes acutely in its gray - level value. the gray - level distributing gradient of conjoint pixels can show this change

    而信號的奇異點或突變點往往表現為相鄰像素點處的灰度值發生了劇烈的變化,我們可以通過相鄰像素灰度分佈的梯度來反映這種變化。
  16. Simple conjugation - gradient bp algorithm for feedforward neural networks

    前饋神經網路的一種簡單共軛梯度學習演算法
  17. If the temperature gradient becomes too large, then convection will take over the bulk of the energy transport.

    如果溫度梯變得太大,那麼對流將承擔能量傳輸的大部分。
  18. Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle

    摘要採用有限元法對陶瓷水煤漿噴嘴溫度場、溫度梯度及其熱應力進行了分析計算。
  19. Results showed that the temperature, temperature gradient and thermal stress at the exit surfaces of the cws ceramic nozzle were higher than that of other part of the nozzle

    結果表明:在陶瓷水煤漿噴嘴的出口端面存在較大的溫度、溫度梯度和熱應力。
  20. 4 gradient arrays marked a, b, c and d were set up.

    布置了編號為A,B,C,D的四個梯度排列。
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