gaussian distribution 中文意思是什麼

gaussian distribution 解釋
高氏分佈
  • gaussian : adj. 高斯的。
  • 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. The gaussian distribution is the familiar bell-shaped curve.

    高斯分佈是常見的鐘罩形曲線。
  2. Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution

    2 、相同等溫溫度條件下，改變等溫時間，等積圓直徑的分佈隨時間的延長趨向均勻，晶粒球化度接近於正態分佈。
  3. Based on unsupervised learning, sparse coding is suitable to describe images with non - gaussian distribution and can get rid of the high order redundancy among the image pixels. since the basis function of sparse coding has build - in clustering property, it increases the inter - class variations of the features

    稀疏編碼是一種基於非監督學習的演算法，它適合描述具有非高斯分佈的數據對象，能夠有效地消除圖像象素點之間的冗餘，並具有內在的聚類特性。
  4. Abstract : a improved method using simple instrument to expand gaussian distribution light field and get large - range homogeneous ideal light field was presented. an optical setup used to expand gaussian distribution light field was designed to improve the utilization ratio of light energy and satisfactory experimental results ware obtained

    文摘:提出採用簡單器件，將高斯分佈光場經再擴展，獲得大范圍均勻的理想光場的方法；設計了對高斯分佈光場再擴展光路，並提高散射光場光能的利用率，取得良好的實驗效果。
  5. The article analyses whether the theory of emh market can explain some phenomena on capital market. we provide some evidence for the non - normal, non - gaussian distribution, auto - correlation, non - linear and heteroskedasticity character of stock price

    文章就有效市場假說（ emh ）對現實資本市場的解釋能力進行了分析，發現我國股票市場的股價收益率序列具有非正態性、自相關性、非線性、異方差性等特點。
  6. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  7. Based on survey data from some researches, dead load model and vehicle load model are presented in this paper. it is quite evidence that dead load model is gaussian distribution, and vehicle load is non - gaussian distribution, which operates general traffic and rush hour traffic states

    本文在國內外各種調查資料的基礎上，分別引入恆荷載模型及車輛荷載模型，其中恆荷載呈正態分佈：車輛荷載則為非正態分佈，並將其分為一般運行狀態及密集運行狀態兩種情況，分別建立服役期最大值分佈函數。
  8. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗力衰減模型及橋梁荷載模型的基礎上，將可靠度理論引入橋梁結構的評定中，推導出了橋梁結構耐久性極限狀態方程，並根據耐久性極限狀態方程中抗力是時間的函數，以及車輛荷載為非正態分佈的特點，應用當量正態法（ jc法）編制相應的程序計算橋梁構件的時變可靠度指標。
  9. In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam

    以前的表面熱透鏡裝置中，多使用高斯光束作為激勵光，但由於高功率激光器一般為多模輸出，要獲得嚴格的基模高斯光束比較困難，而平頂光束可以通過在激光器前加一定大小的光闌實現，降低了對激光光束質量的要求，更有利於實際的測量。
  10. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  11. 9. on the consideration of jitter with gaussian distribution and multi - ga

    針對相位抖動的高斯分佈和多高斯分佈
  12. Gaussian distribution profile

    高斯摻雜分佈
  13. The normal distribution tutorial : a tutorial on the normal or gaussian distribution

    常態分佈講解:常態或高斯分佈的講解。
  14. In this paper, a new spectral subtraction method is presented, which breaks the assumption that the noise is gaussian distribution with mean 0 in the original spectral subtraction method

    本文針對譜減法中關于噪聲是零均值的高斯分佈的假設，提出了一種可以打破這一假設的改進譜減演算法。
  15. Applications : as data is modelled as finite mixture of t - distributions, t - ppca is robust in application. comparing with the use of gaussian distribution, our approach does give better results, as is shown by the experiments in chapter 5

    應用方面：我們用多元t分佈的有限混合作為數據模型，保證了t - ppca的穩健性，從而比gaussian - ppca更具實用價值。
  16. Although the above two methods own pretty good filtering performance when system noise and observation noise are non - gaussian, their filtering performance will descend or even diverge when non - gaussian distribution occurs

    上述兩種方法在當系統噪聲和觀測噪聲滿足高斯分佈特性的時候具有較好的濾波性能，而對于非高斯分佈噪聲上述濾波方法的指標下降，甚至出現發散。
  17. Non - gaussian distribution and noniinear, auto - - correlation and heteroskedasticity character of stock price and return rates, presented that main factors leads to the failure of emh on chinese stock market is emotionai action, information - - based herding, over - - reaction and under - reaction to information of investors and noniinear, non - equiiibriurn propefty of stock market

    提出有效市場理論失靈的主要原因是投資者的非理性行為，信息反映的羊群效應，投資者存在反應過度和反應不足現象，股票市場的非均衡特徵和股票市場的非線性特徵。
  18. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點，得到了擴展的高斯色噪聲背景下的諧波恢復演算法，即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法（ esprit ） ；並推導了信號的狀態方程和觀測方程，進而得到基於卡爾曼濾波的遞推演算法對信號進行提取；本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換；另一個方面是針對雜波服從高斯分佈這一特點，提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。
  19. By applying generalized gaussian distribution to statistically model the alternating current coefficient of discrete cosine transform, the technology of the blind image watermark is studied and the performance of the new detector is analyzed

    摘要根據數字圖像離散餘弦變換域交流系數的廣義高斯分佈模型，對盲圖像水印技術進行研究，並給出了水印檢測器檢測性能的理論分析結果。
  20. After reviewing some statistical models proposed to better characterize the host signal in dct, dwt and spatial domain, we describe the statistical property of host signal using gaussian scale mixture distribution, which is more general and flexible. we also present a new method for estimating the parameters of generalized gaussian distribution rapidly

    研究了細節分量的統計模型，包括平穩高斯模型、平穩拉普拉斯模型、平穩廣義高斯模型、局部平穩的高斯模型和高斯尺度混合模型，提出了一種廣義高斯模型中形狀參數的快速估計方法。
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