threshold analysis 中文意思是什麼

threshold analysis 解釋
規范分析;界限分析
  • 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。
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  1. Just below threshold, consistel1t to theoretical analysis, there are numbers of comb - like narrow linewidth lights due to resonating of ifltr8 - cavity ase light. novel experimental results of the erbium - doped - fiber ring resonator behaviors operating near threshold are reported in the chapter

    首先理論分析了當有源環形腔無注入光,且有源光纖環形腔在閾值以下時,由有源腔內ase輸出光表現出的腔輸出特性。
  2. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析,結合家繫系譜分析探討了上述6項特徵的遺傳方式;通過雙生子一致率的比較,對上述特徵的遺傳與環境效應的相對重要性進行了評價;計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率,採用u檢驗方法與相關文獻報道的其他群體進行了比較,探討了不同種族間或民族間的遺傳差異性。
  3. In object - oriented image analysis " scale " is not the pixel size, but the segmentation scale threshold. scale is different for each remote sensing im age analysis

    面向對象影像分析中的尺度概念已不再是像元大小,而是指影像的分割尺度,是關于影像對象異質性最小的閾值。
  4. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著,在labview環境下開發了多種用於傳感器信號測試的虛擬儀器,具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后,研究了小波分析在一維信號消噪中的應用,實現了labview環境下的閾值法和平移不變量法小波消噪,並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。
  5. Factor analysis based on accurate apprehension of the meaning of currency crisis provides the threshold for the study of latent currency crisis factors in our country at present stage, supplies the basis for theory analysis of currency crisis in the next chapter

    首先,準確把握貨幣危機的概念並對貨幣危機的形成因素進行分析,在此基礎上進一步分析我國現階段潛在的貨幣危機因素,為下一章的貨幣危機機理分析奠定基礎。
  6. The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets

    在此基礎上,提出了針對相位權重角度超分辨法的雷達目標的運動補償方法,分析了雷達系統各部件的不理想性對超分辨性能的影響,用montecarlo方法對無抖動目標和有抖動目標在不同信噪比下的方位估計誤差和方位超分辨的信噪比門限進行了模擬計算,並將結果同波束空間music方法及cramerrao限進行了比較。
  7. To solve these problems respectively, the color space transformation and bp neural network are firstly used to realize the classification and threshold processing of images. then the images processing including thinning, interval linking, code word chaining, seed filling, boundary fitting is performed well by some methods in mathematical morphology and computer graphics and interpolation in numerical value analysis

    為了逐一解決這些困難,運用了色彩空間變換以及bp神經元網路的方法對圖像進行分類和閾值處理,利用數學形態學和計算機圖形學以及數值分析中的插值等方法對圖像進行了細化、間隙連接、鏈碼、種子填充、邊界擬合等處理。
  8. We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    文中我們將一有色噪聲看作不可控輸入的擾動,採用基於pi的多采樣速率控制器以消除由此不可控輸入所造成的對系統輸出(交換節點緩沖區隊列長度)誤差的影響,使得系統輸出(隊列長度)穩定在閾值附近。
  9. Meanwhile, the paper analysis shortage of the methods commonly used heating insulating oil, investigate principles of traditional pid control and fuzzy control, integrats the advantage of two control algorithms, makes use of fuzzy + pid control algorithm to control insulating oil temperature, and has designed fuzzy + pid controller. through matlab simulation, validates that wavelet hard threshold vale de - noise method can effectively reduce the impact of random disturbance

    同時,論文分析了常用加熱絕緣油方法的不足,在研究傳統pid控制和模糊控制原理基礎上,綜合兩種控制演算法的優點,在絕緣油介損測量系統中,提出採用模糊+ pid控制演算法對絕緣油溫度進行控制,並實現了模糊+ pid控制器的設計。
  10. The model developed previously is used in calibrating the threshold value of both comfort level and convenience index of roadway alignment, and in developing safety analysis model for some existing black spots

    本文在大量行車實驗數據的基礎上,分析得到如下成果: 1 )在平曲線半徑上定性、定量的分析了加速度、速度與心率增長率的變化關系和模型。
  11. ( 4 ) since there is no perfect theoretical guide, the characteristics of orthogonal wavelet, semi - orthogonal wavelet and biorthogonal wavelet in signal decomposition and reconstruction are compared, and the conclusion of the study demonstrates that semi - orthogonal wavelet is a good wavelet for fault diagnosis in tilting control system of tilting train. a new approach is presented for deciding the fault threshold. ( 5 ) a generalized wavelet neural network is put forward by integrating wavelet analysis with neural network

    ( 4 )針對小波基的選擇缺乏完善理論指導的實際情況,通過對常用的正交、半正交、雙正交小波基提取信號特性的比較,確定出了適合擺式列車傾擺控制系統故障診斷的小波基? ?半正交小波基,並提出了一種新的確定故障檢測閾值的方法,可以快速地檢測出故障發生時刻。
  12. With the support of methodology and approaches pertaining to medicine, psychology and physiology, this research explores the correlation among speed, roadway alignment, environment and physiological and psychological element of driving behaviors on the basis of abundant data obtained from field study, which lays the foundation for further analysis of what represents a comfortable and safe situation and for the calibration of threshold value of coefficient of transverse force

    本研究應用醫學和心、生理學方面的理論方法和研究手段,通過大量的行車試驗,尋找汽車行車速度、道路線形、道路環境與駕駛員行車心、生理需求的內在關系和規律。以此為基礎,研究在山區雙車道公路上行車,緊張與不緊張,安全與不安全的條件,研究橫向力系數等的極限值。
  13. The importance and formulation method of the oil analysis for threshold have been researched

    摘要研究油液分析界限值的重要性和制定方法。
  14. Mainly for to determine the threshold of the atomic emission spectrometer oil analysis, the method is researched and has been used in practice

    著重對原子發射光譜儀油液分析的界限值制定提出具體方法,並已在實際中應用。
  15. The results of quantitative analysis showed that the pre - tension deformation reduced the fatigue crack propagation threshold and increased the crack propagation coefficient, and consequently decreased the fatigue resistance of the part with mechanical damage

    定量分析表明:預拉伸變形降低了疲勞裂紋擴展門檻值,提高了裂紋擴展系數,從而使管線在機械損傷的部位疲勞抗力降低。
  16. In addition, a new type of phase conjugator using tapered fiber is designed, which combined the higher reflectivity of small core - diameter fiber and higher damage threshold of large core - diameter fiber. the theoretical analysis has also been carried out in section iv. applying it in double - pass system, the maximum sbs reflectivity arrives at 85 % and relative stability arrives at 90 %, which is more than that of common optical fiber phase - conjugator

    為了獲得更高的能量反射率和穩定性,我們自行設計了一種新型的錐度光纖,並應用於ld泵浦的雙通放大dpl系統中;實驗表明:應用錐度光纖相位共軛器可以獲得高達85的能量反射率和90的相對穩定度。
  17. Based on the analysis of automatic chinese traditional medicine distribution system and it ' s work flow, this paper brings forward a medicine distribution route optimizing problem which then be solved by exhaust algorithm with threshold value and ant colony algorithm by author

    摘要在介紹中藥自動配藥系統的配藥流程基礎上,提出了該系統配藥路徑的優化問題,並採用帶柵值的窮舉演算法和針對本系統優化的蟻群演算法解決該問題。
  18. Thirdly, the weight and threshold of bp neural network model was optimized by genetic algorithm ( ga ), which has stronger macroscopic search and global optimization property, based on bp network model of the preparation of superfine quartz powder. this model is named ga - bp, and improves the generalization capability and the parameters forecast precision of bp network model, and was proved to be correct by both theoretical analysis and experiment

    再次,本文以粉石英制備的bp網路模型為基礎,利用遺傳演算法( ga )較強的宏觀搜索能力和良好的全局優化性能,對bp網路模型的權值和閾值進行優化,極大地提高了bp網路模型的泛化性能和參數預測精度,將經過ga優化后的bp網路模型簡稱為ga - bp網路模型。
  19. Via investigation and analysis, it discussed relation between occurrence of wheat yellow dwarf and yield. morbidity and grades standard was determined as well as wheat dwarf economic threshold

    摘要通過系統調查與分析,探索了小麥黃矮病的發生程度與產量的關系,確定了其發病程度與分級標準,研究出了小麥黃矮病的經濟閾值。
  20. Threshold analysis for the limit cycle and chaotic oscillation of the radiation field in a traveling wave tube amplifier

    行波管放大器中場極限環和混沌行為的閾值分析
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