threshold point 中文意思是什麼

threshold point 解釋
界限點
  • threshold : n. 1. 門檻；入口，門口。2. 【心理學】閾限。3. 界限，限度。4. 【物理學】臨界值，閾。5. 入門，開始，開端。
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. Anaerobic threshold, or the point above which muscles start to tire, increased 20 percent among exercisers and 21 percent among dancers

    無氧閾值或肌肉開始疲勞的那一點，有氧運動組增加了20 % ，跳舞組則增加了21 。
  2. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  3. If grazing stress reached a threshold, genetic diversity of population emerged a transition point, with genetic diversity increased

    當放牧壓力達到一個閾值時種群的遺傳多樣性有一個躍變點，遺傳多樣性又有增加的趨勢。
  4. In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer

    本系統由計算機控制步進電動機的運動，進而驅動指針式儀表表針的運動，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時進行表盤圖像的相關處理，包括圖像分割，閾值確定，圖像二值化，區域標記演算法，圓心擬合，有效區域識別提取，區域細化等，最終快速識別出表盤指針所處位置;最後，根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差，檢定指針式儀表的各種精度，通過這些數據判斷該儀表是否合格，列印該儀表的檢定結果報表。
  5. Ladies and gentlemen of the graduating class, today you are at the threshold of a historic turning point of global dimensions, one that is teeming with challenges and opportunities

    你們今天在中大畢業，所面臨的是一全球化的歷史新運會，充滿挑戰，也充滿機會。
  6. On the brink of, on the edge of, on the threshold of, on the point of doing something

    遺產，遺留物」 ，這里是著眼于對日後的影響，所以用了這個字眼。
  7. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值，把灰度圖像進行二值化處理； 5用掏空內部點法，找到圖像的輪廓點，然後在輪廓點上進行模板匹配； 6把輸出的目標物開始點（像素點）轉化成圖像坐標系中的點和對應的三維空間的坐標位置； 7計算目標物的位置矢量和法向矢量，根據機器人抓取面的法向矢量，找到機器人要抓取的平面； 8
  8. According to the numbers of segmentations, dts has multi scale feature and can reflect different trend similarity of time series under various analyzing frequency. 2 ) an enhanced algorithm, based on dual threshold value, and the conception of sub - series linear are proposed. relative point average error is used to measure the linear degree of sub series, which produced by bottom _ up algorithm

    對應時間序列線性分段數目的不同，序列趨勢距離具有基於時間的多尺度分析特性，可以有效反應不同分析頻率下時間序列的相似程度； 2 ）採用相對點平均殘差衡量bottom _ up演算法劃分的子序列線性度，提齣子序列線性度概念和一種雙誤差閥值改進演算法，大大提高了趨勢序列模型的準確性。
  9. In the chapter 4, we make an extension to the model of the chapter - 2. the service speed change is instant, that is say, during the service using speed - 1 to serve, if the number exceeds the threshold n, then the server should immediately use speed - 2 not speed - 1 to serve current customer and the next till entered the empty state. we especially point out that the classical m / g / 1 queuing model and the m / g / 1 queuing with n - policy are the particular cases of model discussed in chapter - 4

    第四章對第二章討論的模型進行了進一步的擴展，其服務速度1到速度2的轉移規則是瞬間轉移，也即當服務臺以速度1服務顧客的過程中如發現系統中的顧客數已超過門限n值時就即刻調整為以速度2服務當前顧客和后續顧客直到系統變空的可修m g （ m g ） 1排隊系統，並指出經典的m g 1和具有n -策略的m g 1排隊是本章研究的兩種特例。
  10. At the point that threshold was crossed, the climate driver ? and thus the climate as well ? flipped to a new and different state and usually stayed there for a long time [ see box on next page ]

    一旦越過門檻，氣候驅動因子便連同氣候本身，翻轉至另一全新狀態，而且通常會持續好一陣子（詳見下頁跨越氣候遽變的門檻） 。
  11. This paper reviews experimental economic research on the use of rebate rules in providing and valuing threshold public goods, which are goods that cannot be provided in part, but only in whole after a certain cost, called a provision point or threshold, is covered

    摘要此報告回顧有關應用退還規則以提供及評價門檻公共財之試驗經濟研究，此種公共財不能只提供一部分，僅能在超過某種成本之後提供全部，其稱為提供點或門檻。
  12. The probability of being or exceeding a given damage state of buildings by a given ground motion intensity is calculated from the spectral displacement corresponding to the intersecting point of the demand spectrum and the capacity curve, the median value of spectral displacement at which the building reaches the threshold of the damage state and the standard deviation of natural logarithm of spectral displacement of the damage state

    文中，討論了非彈性需求譜的推算，將現行抗震設計規范中規定的反應譜換算得到的彈性需求按對應的譜位移折減，得到非彈性需求譜。依對應的譜位移在四個需求譜上的四個點和原點，構造了典型建築物的抗力曲線。
  13. And then the paper gives the image processing methods used in the geometrical parameter measuring system. according to the process of the image processing, it introduces the following three methods in order : image pretreatment method which consists of the average value of neighbour area and lowpass ; image segmentation method which involves threshold segmentation, edge detection, image thinning and edge connecting ; the image matching method consiting of picking up feature point, matching and rebuilding

    然後給出了在幾何量測量系統中所用到的圖象處理方法。依照圖象處理的過程，先後介紹了圖象預處理的方法，包括鄰域平均法和低通濾波法；圖象分割方法，包括二值化、邊緣檢測、細化以及邊緣連接等；圖象匹配的相關方法，包括特徵點的提取、匹配及重建。
  14. The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses

    本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激， （即當刺激一束神經時，不興奮粗神經而興奮細神經）的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性，建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統，採用「不對稱但電荷平衡」的雙向脈沖刺激，計算了神經纖維的興奮和阻斷閾值與纖維直徑、纖維-電極間距離的關系.結果表明：在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮
  15. To make use of the maximum signal margin with the maximum scanning distance tolerance, the switching threshold should be set at the mid - way point between the background and mark signals

    在使用具有最大掃描距離偏差的最大信號邊限時，轉換門限應該設置在背景與標識信號的正中間？
  16. The results of property test of dkdp crystal grown on a point seed show that laser damage threshold is about 5gw / cm2, ? half - wave voltage is about 4kv, extinction ratio is about 1600 : l. the obvious difference of dkdp crystals is not found between traditional technique and point seed growth technique

    性能測試結果表明，點狀籽晶全方位生長的dkdp晶體的激光損傷閾值約為5gw cm ~ 2 、半波電壓約為4kv 、動態消光比約為1600 ： 1 ，發現與傳統方法生長晶體的性能沒有明顯的差別。
  17. The value given by the command specifies more than 3 digits after the decimal point. a valid minimum warning threshold value for volts contains up to 3 digits after the decimal point

    （此命令所指定的值在其小數點后超過3位數。有效的電壓最小警告閾值在其小數點后最多保留3位。 ）
  18. The technology of automatic choose of threshold value is used, and it make the choose more reasonable. the graying arithmetic is improved in order to pick up interest point and target easily

    本文在應用部分採用了自動閾值選擇技術，使閾值的選擇更合理；對灰度化演算法進行了改進，目的是較容易的提取興趣點和目標。
  19. The results indicate : when reduced anchoring strength a is large and = 0 or > 0, the first order transition may occur at threshold point or at saturation point ; when a is very lager and = 0 and > 0, the uniform twisted solution jumps directly to the saturation solution

    結果表明：當反映錨定強度的參量（ = k _ （ 22 ） ? al ）較大，且修正參量= 0或0時，在閾值點或飽和點可以發生一級轉變。當很大，且修正參量= 0或0時，還會發生均勻扭曲解直接轉變為飽和解。
  20. The director in nlc cell may be expressed by one angle parameter 9 or, and it is called one dimension problem ; the director expressed by two angle parameters 6 and, called two dimension problem ; the paper consists of two absolute parts : l. the first order freedricksz transition at saturation point for the weak anchoring nlc cell the first order freedricksz transition ( the first order transition ) at threshold point has been studied by a lot of theoretical works

    液晶盒內指向矢可用一個角量或表示稱為一維問題，需要用兩個角參量和表示稱為二維問題。本文由兩個獨立的工作構成： 1弱錨定向列液晶盒在飽和點的一級freedericksz轉變現有的理論工作都討論在閾值點的一級freedericksz轉變（一級轉變） 。
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