probability density distribution 中文意思是什麼

probability density distribution 解釋
概率密度分佈
  • probability : n 1 或有；或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率，...
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. At last, the probability density function shows multi - fractal characteristic, which is gauss distribution in euclidean space

    流體微團的概率密度分佈函數也表現出多重分形特徵
  2. The probability density distribution of + conforms to the lognormal behavior

    低速帶間距的概率密度分佈可用對數正態分佈來描述。
  3. The module was divided into sub - channels, and the hydrodynamics in each channel was just the function of the local cell packing fraction. based on the theoretical probability density distribution functio

    在裝填密度較小的時候，紊流傾向十分明顯；當裝填密度較大的時候，殼程的流動狀況與層流相對比較接近。
  4. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。
  5. Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded

    本文通過對樣車的故障進行統計，分析了我國汽車產品質量的薄弱環節，並藉助數理統計手段和汽車可靠性理論，得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數，論述了國產汽車產品的可靠性現狀。
  6. Probability density distribution

    溉率蜜度分佈
  7. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數（誤差函數）算出其對應之機率。
  8. The cumulative probability distribution ( cpd ) and probability density function ( pdf ) of the magnitude of signals with noise are approximated by the cumulate percentage distribution ( cpd ) and percentage density ( pcd ) respectively by sorting and discretizing. the simulation verfies the following

    含噪訊號強度之累積機率分佈及機率密度特性，則依強度遞增排序法，換算成累積百分比分佈及百分比密度近似之。
  9. The joint probability density distribution ( pdf ) of the velocity fluctuations falls along the directions of - u + v and + w - v especially for fine particles

    聯合概率密度主要沿一u v和十u ? v方向分佈，粒徑較小的顆粒更為明顯。
  10. The ica - based method without assumption that data follow normal distribution, can easily calculate the joint probability density function of independent components ( ics ), because each of ics statistically independent

    採用獨立分量分析的方法可以避免數據服從正態分佈的假定，且由於各個獨立成分之間統計獨立，其聯合概率密度函數可以很方便的求取。
  11. The results are approximate unless the distribution of probability density of nominal stress was known

    但要求已知名義應力的概率密度分佈形式，否則只是一種粗略估計。
  12. The probability density distribution of the particle velocity fluctuation differs in different flow regions, and is approximately normally distributed where the space restrictions are small. velocity fluctuation of particles with different sizes is similar

    顆粒脈動速度的概率密度分佈隨流區有所差異；在空間尺度影響較小的范圍接近正態分佈；各種粒徑的顆粒脈動速度具有相似的特性。
  13. Abstract : based on analysing factors resulting in the error from scanline survey on joint trace lengths, the actual process of scanline survey was simulated by the computer. the results show that, except the well - known factors resulting in the error from scanline survey on joint trace lengths, the probability density distribution of joint size also influences the precision of scanline survey of joint trace lengths

    文摘:在分析導致節理跡長測量誤差諸因素的基礎上，用計算機對線測量的實施過程進行了模擬研究，結果表明，除了眾所周知的導致節理跡長測量誤差的因素外，節理長度概率密度分佈形式對節理跡長測量誤差也有影響
  14. Speech separation algorithm based on laplace normal mixture distribution probability density function estimation

    基於拉普拉斯正態混合分佈概率密度函數估計的語音分離演算法
  15. The motion characteristics of the suspended particles were obtained by statistical analysis, including vertical concentration distribution, mean velocity profile, turbulent intensity, velocity correlation, and the probability density distribution of the velocity fluctuations. attempt has also been made to interpret the turbulent characteristics in terms of particle properties and turbulence structure

    對不同容重、不同粒徑的顆粒在不同水流條件下的垂線濃度分佈、平均速度和脈動強度分佈、相關函數及脈動速度的概率密度分佈等進行了全面系統的統計分析，得到的中文摘要主要成果如下：
  16. Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers

    低fr水流的核心是波浪問題，為了低坎分流墩的推廣應用，本研究以低fr水流的表面波浪作為研究對象，通過物理模型試驗，對各種分流墩方案消能工的下游水面波浪要素、流速分佈進行測試，分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分佈及功率譜特性變化規律，從而揭示了低坎分流墩的削波機理。
  17. If the initial photon state is a fock state, the probability density of the electron exhibits bifurcation and confluence and the corresponding photon distribution is a time - periodic function which result from the energy exchange between the electron and field

    Ck態時，隨著時間的演化，電子的兒率密度呈現分叉現象，相應的光子數分佈是時間周期函數，這是由於電子與光場之間有能量交換。在這種情況下，系統是封閉的。
  18. A new concept of the equivalent process capability index and its estimating method are provided at ppm level. a probability distribution family named pearson distribution is introduced and its seven types of probability density function are deeply analyzed

    引入了一種名為皮爾遜（ pearson ）分佈的概率分佈族並對其七種不同類型的概率密度函數作了深入的分析與研究。
  19. The scheme is on the basis of the heterogeneity of soil water content ' s horizontal spatial distribution in the region and the evaporative power of relatively saturated region. if the probability density function ( pdf ) of soil water content ' s horizontal spatial distribution and the evaporative power of relatively saturated region are attainable, the mean evapotranspiration flux of the region can be calculated

    該方案以區域內土壤水分在水平空間上分佈的非均勻性和相對飽和區地表蒸發力為基礎，在已知土壤水分水平空間分佈律的概率密度函數（ pdf ）和飽和區地表蒸發力的前提下，實現區域平均蒸發散量的計算。
  20. The probability model for the initial time of corrosion is founded ; and the distribution type and the probability density function for the initial time of corrosion are obtained

    通過建立腐蝕初始時間的概率模型，得出腐蝕初始時間的分佈規律和概率密度函數。
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