sampling average 中文意思是什麼

sampling average 解釋
采樣平均
  • 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。
  • average : n 1 平均，平均數。2 一般水平，平均標準。3 【商業】海損；海損費用；（給領航的）報酬。adj 1 平均的...
  1. The traditional method is that sampling 20 equidistance discrete voltages to calculate the virtual value. to gain the virtual value, we firstly average their square values, and then extract it

    傳統的計算有效值的方法是利用一個周期內等距離散的20個采樣點的瞬時值進行求解，通過計算它們的均方根值來得到有效值。
  2. The average species similarity was 0. 68 between semi - quantitative ( kick sampling plus d - frame net sampling ) and quantitative samples in the same site, higher than that of 0. 56 in the lotic water, 0. 45 in the lentic water. 3. no significant difference was found in metrics calculated from the data of quantitative and semi - quantitative samples in the same site respectively

    從種類相似性看，同一樣點半定量樣本（踢網樣加d形抄網樣）與定量樣本（索伯網樣）之間的相似性最高，平均為0 . 68 ，高於急流棲境中定量樣與半定量樣的種類相似性0 . 56 ，以及靜水-緩流棲境中，定量樣與半定量樣的種類相似性0 . 45 。
  3. Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl

    本文以平均運行長度（ apl ）為衡量控制圖有效性的標準，以抽樣比例和最大可接受錯誤報警率為輸入，通過建立模型的方法，確定最佳的樣本容量和控制線參數。
  4. There are three pro - processing : fractionize algorithm ; average sampling point algorithm ; normalization algorithm

    用到的預處理演算法有：均勻采樣點演算法、細分演算法、規范化演算法。
  5. 5 at the nautical school sampling station ( 24 hour monitoring station ), the highest average density of microzooplankton was recorded at sunset ( 154. 91 ind. / l ), successively, at sunrise ( 146. 63 ind. / l ) and noon ( 93. 09 ind. / l ), the lowest was at midnight ( 77. 31 ind. / l )

    5 、在航校晝夜監測站，小型浮遊動物的平均豐度以傍晚最高，其次是黎明和正午，午夜時密度最低，分別為154 . 91個升、 146 . 63個升、 93 . 09個升和77 . 31個升。
  6. Only the water at jiekou had been eutrophic. the result of biological assessment was that the average density of phytoplankton at all the sampling spots was more than 1, 000, 000 per litre, indicating that the lake was eutrophic going by the population density. but this density of phytoplankton was higher than that in similar lakes at the same pollution level

    生物評價結果認為，千島湖浮遊藻類平均密度較同類營養水平的淡水水體高，其所有取樣點浮遊藻類平均密度都10 ~ 6個? l ，國內外一般認為當浮游植物平均密度10 ~ 6個? l時，其已經達到富營養化水平，因此單從浮游植物密度來看，可以認為千島湖已達到水體富營養化。
  7. 3 abundance of microzooplankton hi jiaozhou bay varied significantly among sampling stations during the survey period. in general, high densities of microzooplankton appeared in water bodies of the inner bay, low densities were recorded at estuary and outer part of the bay. the highest annual average densities was recorded at station 3 ( 346. 45 ind. / l ), the lowest at station 10 ( 55. 54 ind. / l )

    3 、在不同采樣站，小型浮遊動物豐度差異明顯，灣內較高，灣口和灣外較低，年平均最高和最低密度出現於3號站和10號站，分別為346 . 45個升和55 . 54個升不同水層，小型浮遊動物豐度差異不明顯。
  8. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術，能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值，次級電壓、電流的真有效值（交流）或平均值（直流） ，次級電壓紋波的真有效值。
  9. To improve the adaptability of the method, a texture enhanced technique based on an improved log filter is presented. to improve the efficient of the method, box filtering, average sampling and pyramid analysis are used so that the matching time is cut down to 1 / 10.

    在此基礎上，為提高演算法的適應性，本文改進了log濾波紋理增強技術;為提高演算法的實時性，本文綜合利用盒濾波、均值采樣和金字塔分解三種手段將演算法效率提高了一個數量級。
  10. Application of statistics. inspection by counting of the proportion of non conforming items or of the average number of non conforming items per units. general methods for the construction of a sampling plan

    統計學應用.每單位不合格產品比率或不合格產品平均數的比率的計數檢驗.抽樣方案結構的一般方法
  11. On the basis of fault classification, the output voltage waveforms are divided into sub - waveforms by the counts of rectifier voltage pulse waves, then the sub - waveforms are further classified by real time measurement of voltage, taken from sub - waveform sampling points ' average values and standard deviations, thus tin fruit waveforms can be described by pattern vectors

    在對各種故障進行分類的基礎上提出根據整流電壓的脈波數將輸出波形分段，通過即時監測各波段電壓采樣均值和標準差，對各段電壓波形進行分類，從而將故障波形用模式向量表示。
  12. The effects are on the probabilistic assessment of both scattering regularity and sampling size of the test s - n data. p - s - n curves are characterized by the scale and location parameters related s - n relations for the maximum value model. the materials constants of in the scale relations are given by the average s - n relations and the locations

    曲線用極大值分佈的位置與尺度參量s - n關系曲線來表徵，尺度參量s - n關系曲線可表示成均值與位置s - n曲線的函數；均值曲線的材料常數應用最小二乘法求出，位置曲線參數通過極大值分佈的似然函數解出。
  13. Design of average sampling circuit

    一種平均值取樣電路的設計
  14. Methods : total 1607 college students were sampled from six universities / colleges of changsha city by stratified cluster sampling, 502 of these samples involved in this study by self - designed questionnaire, then 105of them were identified as piu by self - designed diagnosing scale, and measured by self - designed on - line general conditions questionnaire, social disability screening schedule, typical coping style questionnaire, eysenck personality questionnaire and scl - 90. results : 105 students are diagnosed as pathological internet users among 1607 interviewers, 89 of them are male, and the rest are female ; the average age of them is 20. 57 ?. 55

    方法：採用分層整群抽樣方法，對長沙市6所高校的大學生採用自製大學生病理性網際網路使用篩查表進行篩查，對篩查出的病理性網際網路使用可疑者，應用自製大學生病理性網際網路使用診斷問卷進行診斷，並採用上網一般情況調查問卷、特質應付方式問卷、社會功能缺陷篩選量表、艾森克人格問卷神經質（ n ）分量表及癥狀自評量表（ scl - 90 ）進行評定。
  15. Based on the cyclic prefix property of the guard intervals, it provides estimates for sampling positions of isi - free region by combining the techniques of delay conjugate multiplication, phase difference, symbol - by - symbol average, and edge detection

    以護衛區間循環前置的特性為基礎，結合延遲共軛相乘、相位差分、符元對符元之區段式平均以及邊界偵測等技術來估計非碼際干擾區間的位置。
  16. On the basis of the former research works, we present the detecting method as follows : for the narrow band characteristic of the track signal we use under - sampling instead of nyquist sampling to reduce the sampling rate. as to the carrier frequency, the spectrum of the 18 - information frequency - shift track signal has two peaks, then the carrier frequency is the average of the two peak frequency, to um - 71 jointless track signal, it has only one peak, then the carrier frequency is the peak frequency

    針對移頻軌道信號的窄帶特性提出了使用欠采樣技術代替奈奎斯特采樣的方法，以降低信號的采樣頻率;國產18信息移頻軌道信號頻譜具有雙峰，雙峰頻率平均值就是信號的載頻頻率，而um - 71無絕緣軌道信號頻譜單峰，峰值頻率即為信號的載頻頻率。
  17. Microzooplankton grazing rate was 0. 578 ~ 1. 3241 d - 1 in summer and the average of three sampling positions is 0. 9762 d - 1, the highest among four seasons. winter had the lowest grazing rate, varying between 0. 2037 ~ 0. 255d - 1, and the average was 0. 2379d - 1

    可見在半人工控制的蝦池生態系統中，微型浮遊動物對浮游植物潛在的攝食壓力十分巨大，它們對浮游植物的生產和歸宿起著十分重要的調控作用。
  18. The results show that the optimal stopping rule for our proposed sequential sampling plan can effectively reduce the average sample number and thus achieve a minimum total loss under the reasonable type and errors

    研究結果顯示在合理的型誤差及型誤差下，本研究所提出的抽樣計畫停止法則可有效降低平均抽樣數使抽樣總成本達到最低。
  19. The paper research small - signal model of pfc circuit and build the simplified average - small - signal model of the system. the thesis develop design method of pi regulators which are applied in double closed - loops system. furthermore, the sampling algorithm of votage and current variables is also analysed in this paper

    文中對pfc電路的小信號模型進行了研究，並建立了系統的簡化平均小信號模型，在此基礎上，以系統的動態特性和穩定性為設計指標，具體給出了雙閉環系統中pi調節器的設計方法。
  20. Because some rivers have more than one sampling station, wqo compliance for these rivers is expressed as an average of the annual compliance rate of all its individual sampling stations

    由於大部分河溪設有多個監測站，河溪則以各抽樣站位達標率的平均值作河溪的全年水質指標達標率。
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