threshold curve 中文意思是什麼

threshold curve 解釋
閾曲線,聽力曲線
  • 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。
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  1. The lower curve marks the exclusion threshold for data pairs.

    下部曲線標志出對數據對的排除域。
  2. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過程中,論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數,解決了是否正確聚焦的快速判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦速度和精度都得到了很大的提高。
  3. According to photomicrograph, the diameter of emitting aperture is about 40um. in term of i - v curve, the threshold voltage is 1. 4v

    國際上,已經有先例將sio _ 2探尖與vcsel採用簡單、有效的膠合方法結合,製成vcsel snom復合探測器。
  4. Based on the mechanics calculation and motion simulation of the pallet draught device, the force control threshold value and the force control curve of a new type 60m ^ 2 sintering machine were obtained

    在對臺車執行牽引裝置進行力學計算和運動模擬的基礎上,得到了新型60平分公尺帶式燒結機的力控制閾值和力控制曲線。
  5. 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。
  6. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  7. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究: ( 1 )為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要,本文對年、月徑流預測進行了研究,提出了徑流中長期預測模型,包括:時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等,從預測成果來看,效果較好。
  8. Based on the threshold idea of threshold regression model, the threshold factors and threshold values are introduced and determined by the correlation analysis method of best curve fitted in conventional regression model

    借鑒門限自回歸模型的門限思想,在常規回歸模型中引入門限因子和門限值,利用提出的最佳擬合相關分析法確定門限因子和門限值,建立了門限回歸模型。
  9. The falling rate of t _ ( d - ) p curve closely related with e / p or the energy of laser pulse ( e _ ( laser ) tested. the threshold voltage did n ' t depend on the pressure apparently. the delay and jitter decreased exponentially as the e _ ( laser ) increased

    C :建立了零維「 2光子激發一2光子電離」激光觸發火花隙數值模擬模型與考慮了levison修正的t . h . martin經驗公式相結合的激光觸發多級開關零維數值計算模型。
  10. In the section of theory, we mainly studied optical parameter effect, discussed physical mechanism of optical parameter laser and normalized coupled wave equation and got the solution. we also carried out the analysis of gain mode of optical parameter oscillation, studied the threshold condition, analyzed output characteristics and then achieved characteristic curve

    本文理論部分主要作了有關光參量效應方面的研究,探討了光參量振蕩器的物理機制、參量振蕩的歸一化耦合波方程,求解得到了參量振蕩器的耦合波函數,同時對光參量振蕩的增益模式進行了分析,研究了使參量振蕩的閾值條件,並對光參量振蕩器的輸出特性進行了分析,得到了特性曲線。
  11. In detail, the major work that have been done are as follows : l. irradiated by the 1. 06 m 1. 319 m 3. 8 m laser respectively, when the incident laser power density is between the saturation threshold and the damage threshold, the vibrating phenomenon and the zero - output phenomenon can be seen in the pv - type detectors " response curve

    論文的主要工作有: 1分別用波長為1 . 06 m 、 1 . 319 m 、 3 . 8 m的激光輻照光伏型( pv ) hgcdte探測器,實驗發現,當輻照激光的功率密度大於其飽和閾值而小於其破壞閾值時,探測器的輸出存在「振蕩現象」和「零壓輸出現象」 。
  12. It also studies the influencing factors including sampling frequency, pd waveform, decline time, time intervals between pd pulses, mother wavelet, center frequency of interference, entropy threshold value and snr. in addition, it applies wavelet packet method ( wpm ) for non - stationary signal de - noising in on - line pd monitoring and analyzes the processing results under different pd waveform, sampling frequency and noise level. firstly, the curve of pd

    基於小波包變換的非平穩信號消噪演算法( wpm )已較為成熟,本文將其應用於局部放電在線監測,通過研究其對不同局放波形、采樣率、噪聲水平下的處理效果,首次提出了理想白噪聲條件下提取局部放電信號的曲線,分析了各種因素對該演算法下信號失真的影響。
  13. This peak voltage setting becomes the threshold used for calculation of the voltage response curve for the instrument

    這個峰值電壓設置為閾值電壓,用來計算儀器的電壓響應曲線。
  14. After this, this paper present the simple threshold ca - cfar detector with little reference cell number, and analyse the relationship between the detection probability and noncoherent integration number, reference cells, then the relationship curve and an analysis is also given. finally, the thesis simulate the signal processor and cfar algorithm, discussed results are proved to be correct

    文章最後將產生的目標及雜波數據送入信號處理機的模擬系統,對其進行信號處理及恆虛警檢測的模擬,給出了模擬結果,對模擬結果進行了詳盡的分析討論,驗證了本文信號處理及恆虛警演算法的正確性。
  15. Is made up of alternating constant upward gradients and vertical drops. this form is explained in figure a - 4. as the population increases, the nsapp curve passes the threshold for a gic facility " x " until the dsa is large enough to accommodate the population and the full site area for " x "

    當人口增加時,人均地盤凈面積的曲線便會經過政府、機構或社區設施數值為「 x 」的人口界限,直至地盤發展面積足以容納有關的人口數目及完全符合「 x 」數值設施的地盤面積需求。
  16. Nonrepudiable threshold proxy signature scheme based on elliptic curve cryptography

    基於橢圓曲線的不可否認門限代理簽名方案
  17. This paper takes the sum of the square of gray difference as the criteria of evaluation function which image is or not focused and takes an effective searching way of autofocusing based on threshold value and curve fitting. this way enhances effectively speed and precision of autofocusing

    在自動聚焦過程中,本論文採用了圖像的灰度差分的平方和作為焦距評價函數,解決了自動聚焦過程中是否正確聚焦的判斷問題;提出了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式,使聚焦速度和精度都得到了很大的提高。
  18. Study several algorithms : localization underground target algorithm base on step threshold of block energy 、 localization underground target algorithm base on the best automatic curve fitter 、 recognition underground metal target algorithm base on phase of target echo. test above algorithms using signal acquired on field

    具體研究了:基於塊能量階梯閾值的目標檢測定位方法、基於自動最佳擬合曲線的波速測定和目標定位方法、基於目標回波峰值相位特徵的地下金屬目標識別方法。
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