probability density function (pdf)中文什么意思

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概率密度函數

probability: n. 1.或有；或然性。 2.【哲學】蓋然性〔在 cer ...
density: n. 1.稠密；濃厚。 2.【物理學】濃度；密度；比重。 ...
function: n. 1.功能，官能，機能，作用。 2.〔常 pl.〕職 ...
conditional probability density function: 條件概率密度函數
exponential probability density function: 指數概率密度函數

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When the radar is narrow band , radar target is studies as a point target . target and clutter are modeled as having a zero - mean complex gaussian probability density function ( pdf ) . target is assumed as slowly - fluctuant
窄帶條件下,雷達目標可以看作是一個點目標,假設目標和雜波都服從零均值的復高斯分布,目標為慢起伏。
All numerical experiments are passed the statistically confidential test second , on the basis of the retrieved data of soil water content and land surface temperature , the probability density functions ( pdf ) of them fitted
其次，利用反演的土壤水分和地表溫度資料，擬合了土壤濕度和地表溫度空間分布的概率分布密度函數( pdf ) ，并將擬合結果與反演值進行了統計檢驗。
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布及機率密度特性，則依強度遞增排序法，換算成累積百分比分布及百分比密度近似之。
Kde is a non - parametric method which is capable of extracting the population ' s probability density function ( pdf ) based on data sample only without any a prior knowledge about the statistic properties of the data regime . in this thesis , it is conducted the implementation of the kde for monitoring the performance of batch production processes
用核函數法概率密度估計對間歇生產過程進行實時狀態監測的主要優點是它屬于非參數法概率密度估計的一種，不需要數據總體的任何先驗知識或是假設而直接基于實測數據樣本求出總體的概率分布密度函數，擺脫了對不可靠的先驗知識的依賴。
Third , based on the parameterization of the related land surface characteristics , using the probability density functions ( pdf ) and the grossly dynamic resistance method , a statistical - dynamical parameterization scheme is put forward . the mean evapotranspiration flux of lower reaches of the yangtze river is calculated by tins scheme and the results are compared with the formers " conclusions . finally , the calculated results by the statistical - dynamical parameterization scheme are compared with the mosaic method
第三，在進行了有關地表特征物理量的參數化后，結合擬合的概率密度函數，根據總體動力掌阻抗法，提出了一種考慮網格區整體非均勻性的統計-動力參數化方案，并采用這種方案計算了長江三角洲地區的平均蒸發散通量，計算結果與以前研究者的研究成果進行了比較驗證。