sampling depth 中文意思是什麼

sampling depth 解釋
采樣井深
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  • depth : n. 1. 深；深度。2. （色澤的）濃度；（聲音的）低沉；（感情等的）深厚，深沉，深刻。3. 進深。4. 〈常 pl. 〉深處；深淵，深海，海。5. 正中，當中。6. 深奧，奧妙。
  1. Sampling phytoplankton with depth - integrating samplers

    用深度綜合採樣器採集可繁殖海洋浮游生物
  2. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  3. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析了測量中頻譜泄漏和柵欄效應形成的原因，提出了採用鎖相環倍頻技術實現信號的整周期同步采樣，消除頻譜泄漏和柵欄效應對測量結果的影響，並對鎖相環倍頻技術的理論進行了深入研究，給出鎖相環倍頻技術的實現方法。
  4. Sampling and examination of bituminous mixtures for roads and other paved areas - methods of test for the determination of wheel - tracking rate and depth

    道路和其它鋪砌區用瀝青混合料取樣和檢驗.第110部分:輪轍比例和深度測定試驗方法
  5. Although the tread irregularities depth computing result error is a little big due to the sampling frequency is too low. we believe that the tread irregularities depth computing result will improve with enhancing the frequency of the sampling

    擦傷精度雖由於采樣頻率太低的原因而誤差稍大，但趨勢明顯，相信只要提高頻率，擦傷深度的測量精度會改善。
  6. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  7. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  8. Perspective correction is a process of interpolating texture coordinates prior to sampling a texture so that a polygon that is angled away from the camera is stretched correctly for the apparent depth of the polygon

    透視修正是一種在對紋理進行采樣之前對紋理坐標進行插值計算的過程，這樣，對于偏離鏡頭方向一定角度的多邊形，才能使其在視深范圍內正確伸展。
  9. On the base of measuring the radar ' s video - signal, we in - depth study and analysis the video - signal in this subject, we find out every techno - parameter ' s items of sampling video - signal, and then research the effect bringing out by sampling. we originally put forward the system solve project of sampling, transmitting and recording the measuring radar ' s video - signal

    本課題在對靶場測量雷達的視頻信號測量的基礎上，對視頻信號進行了深入的研究分析，確定了對視頻信號進行采樣時的各項技術參數，分析討論了采樣對原數據的影響。
  10. Depth integration sampling

    積深取樣法
  11. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。
  12. In data sampling circuit, high - speed, complex programmable logic device cpld technique is used. high - speed double - port ram, control sampling time sequence logic, cpu interfaces and bus circuit are implemented in cpld. sampling speed is up to 80mhz, sampling depth is ik - byte, and cpld can fulfill the requirement of the software arithmetic to sampling

    在數據採集電路中採用了高速復雜可編程邏輯器件cpld技術，晶元內設計有高速雙埠ram 、控制采樣時序邏輯及cpu介面、總線等電路，采樣速率高達80mhz ，采樣深度1k位元組，很好地解決了超聲波微位移傳感器軟體演算法對采樣的要求，並可實現在線升級，大大提高了系統的整體性能。
  13. In the simulation study, the parameters of dipoles were given, it would be considered whether it could be recovered correctly by dllm based on scalp potential sampling with a set of electrode array. it was also examined that how electrode number influenced the recovered quality of dipole parameters. the simulation showed that the number, position and strength of dipole set were greatly close to the original condition ; the shallower the dipoles were, the higher the precision of source localization was ; the optimal depth of dipole layer was greatly close to the ideal position ; the accuracy of source localization was increasing when more electrodes were used

    在模擬研究中，首先設定已知的偶極子數目及其所在的偶極面深度等參數，然後用一定數目的電極抽取正向計算獲得的頭皮電位，考察該模型在上述理想條件下，基於頭皮電位是否能正確獲取偶極子數目及其參數、以及電極數目對結果的影響。
  14. The content analysis on the study of news values theory in the new times ( after 1979 ). due to the great quantities of the literatures and a great coverage characterized in this period, i take sampling research as an approach, in order to reflect the situations in their width and depth as well, that is, a combination of micro - viewpoints with macro - viewpoints

    新時期我國新聞價值理論研究的內容分析：基於這一時期原始研究文獻數量多、跨度大的實際特點，因此對于研究文獻進行了抽樣，使研究盡可能地既反映「面」上的情況，又反映「點」上的情況，即宏觀與微觀相結合。
  15. In the design process of hardware i studied in depth the a / d sampling circuit performance indicators and related test methods, while providing guidelines on design of the high - speed pcb circuit

    另外，在硬體設計過程當中，深入的研究了a / d采樣電路的性能指標和相關測試方法，同時給出了高速pcb電路設計注意事項。
  16. Because limited by the sampling channel of transient electromagnetic measuring depth fieldwork curve ( generally 20 ~ 40 channels ), the smoothing degree of fieldwork curve is not very good, it make against the differential imaging treatment. in order to hold the continuous change characters of the curve and seek the voltage exactly, we use the thrice spline insert number function to reconstruct the fieldwork data ; 4

    ） t ； 3 .由於受瞬變電磁測深實測曲線取樣道的限制（一般為20 ~ 40道） ，實測曲線光滑程度較差，不利於微分成像處理，為了更好的把握曲線連續變化的特徵及準確求導，採用了三次樣條插值對實測數據進行重構;續
  17. Using action research, this project employed a combination of methods, such as literature review, in - depth interview, sampling, and observation, to understand the status of science teaching in the area ' s rural primary schools, and to explore new and better strategies for science teaching

    綜合運用了文獻法、抽樣、訪談、參與式觀察等多種研究方法，在行動研究中探討該地區農村小學科學教學的現狀與出路。
  18. Based on the field investigation of the wave and sediment suspension in taihu lake, along with sampling water by layer and analyzing the nutrient concentration change with depth, it was found that the nutrient concentration enhanced suddenly on the bottom. layer indicating the influence of sediment

    摘要通過在太湖開展的風浪與底泥懸浮的野外觀測，結合分層採取水樣並分析水體中溶解性營養鹽的濃度隨深度的變化結果，發現在水土界面的上覆水中營養鹽濃度有突然增加的現象，指示著沉積物對上覆水營養鹽濃度有影響。
  19. This dissertation presents a concrete deduce for factoring the 3d image - warping equation ; confirmed the correctness and robustness of id warp and reconstruction ; realizes the whole modeling procedure after sampling six depth images around the model ' s bounding box

    本文在理論上詳細推導了3dwarp等式的數學分解；實踐上系統論證了圖像一維warp變換的正確性和健壯性；實現了采樣幾何模型6個面的深度圖像后按包圍盒方式重新繪制模型的具體過程。
  20. In the calculating example of model inversion, the proper sampling interval and ' trend - band ' method were selected and inversion errors of the linear density and axes depth of cylinder were close to 0. 25 % and 3. 8 %, respectively

    在模型反演算例中，選擇了適當的采樣間隔和「趨勢鑲邊」法，反演的圓柱體線密度和軸心深度誤差分別為0 . 25 %和3 . 8 % 。
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