gaussian function 中文意思是什麼
gaussian function
解釋
高斯函數-
Furthermore, due to the symmetry restriction of traditional radial basis function networks ( rbfn ) with gaussian function, the asymmetric gaussian basis function ( agbf ) is proposed to construct the full adaptive agbfn. because the asymmetry gaussian function ' s variability and malleability are higher than the traditional one, the asymmetry gaussian basis function can provide the agbfn which own a higher flexibility and can approach the true result more easily
針對這一問題，文中提出了一種全自適應的不對稱高斯基函數網路（ agbfn ）結構，網路的基函數採用具有不對稱寬度的偽高斯函數，和常規的高斯函數相比，具有更大的可變性和延展性，從而使得隱層神經元在函數近似上具有更高的適應性，提高了神經網路的學習能力。 -
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。 -
On the other hand, the conformal deformation ' s problem is to find a metric on h2 ( - 1 ), conformal to g, with the given function k as its gaussian curvature, that is, it is important for us to study the solvability of the conformal gauss curvature equation in geometry analysis. the problem that the conformal gauss curvature equation may have a solution for every nonegative holder continuous function k ( x ) is also an open problem
） = e ~ （ 2u ） g使k是（ ? ）的高斯曲率，即共形高斯曲率方程的可解性研究是幾何分析中的一個重要問題。當預定的函數k取正值時，共形高斯曲率方程解的存在性命題作為一個猜測至今未得到解決。 -
One is the non - orthogonal gabor - daubechies frame, or g - d frame, a complete set of discrete window fourier functions which are constructed by space - shifting and harmonically modulating a gaussian window. although a g - d frame is not an orthogonal basis, it bears considerable advantages for the study of physical problems, especially those related to the wave field extrapolation, due to the optimal localization properties of the gaussian window function under the heisenberg uncertainty principle
其一為將高斯窗函數經平移和調制而構成的一組窗口富里葉框架（ gabor - daubechies框架，或g - d框架）基本函數，另一種為在富里葉分析和小波包理論基礎上發展起來的局部餘弦基函數。 -
An indirect self - adaptive fuzzy - neural network controller ( fnnc ) has been proposed with its parameters and the structure tuned simultaneously by ga in virtue of the powerful optimization property of ga. the structure of the controller is based on the radical basis function ( rbf ) neural network with gaussian membership functions. the performance of the proposed fnnc is compared with a conventional fuzzy - pid controller and the simulation results show that the fnnc presents encouraging advantages
針對神經網路採用一維反向傳播訓練演算法速度較慢且易於陷入局部極小點的不足，設計了一種間接自校正模糊神經網路控制系統，利用遺傳演算法（ ca ）對隸屬度函數的結構和參數進行優化，模擬比較表明該控制比模糊pid控制具有更優的性能。 -
We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses
給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。 -
The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture
摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數，並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。 -
Because the choice of fuzzy set functions affects how well a fuzzy system approximates a function and gaussian bell - curve sets give richer fuzzy systems with simple learning laws, we choose gaussian function set as fuzzy set functions
因為隸屬函數的選取會影響模糊系統逼近函數的效果，而高斯型隸屬函數的鐘形曲線只要簡單的學習規則就可以表示豐富的模糊信息，我們選取高斯型隸屬函數作為模糊集合函數。 -
Their learning and training rules have been analyzed profoundly and their abilities to approximate arbitrary nonlinear function have been testified and compared by the simulation. a new rbf neural network has been presented which uses a raised - cosine function as activation transfer function. it provides a wider generalization in comparison with gaussian rbf neural networks by simulation as well as strong approximation ability, fast convergence, a rule to select the parameters of the networks
本文詳細研究了兩種典型的前向神經網路（ bp網路和rbf網路）的學習和訓練演算法，提出了一種新穎的基於緊支集餘弦函數的徑向基神經網路，其克服了常用的高斯型rbf神經網路雖具有緊支集但各基函數非正交的不足，其收斂速度快、網路參數選取有理論依據且相比于高斯型rbf神經網路具有更強的泛化能力，模擬驗證了其有效性。 -
Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work
對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈；動力學演化會明顯地改變球狀星團系統的空間密度分佈，靠近銀心區域的球狀星團瓦解得更多；經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈，初始擁有較大軌道偏心率的球狀星團更容易瓦解。 -
Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration
在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。 -
With the method of integral within ordered product of operators, we obtain the analytical expression of quantum information counterpart of mutual information. the coherent information, as a function of input thermal state power and thermal noise channel power, we discuss the upper and lower bound for quantum gaussian channel introduced by holevo - werner and by quantum codes
用正規乘積內的算符積分技術求出了互信息的量子對應物? ?相干信息用輸入熱噪聲信號功率和通道熱噪聲功率表示的公式。討論了由holevo和werner引入的量子高斯通道量子容量的上界及由量子編碼所確定的下界。 -
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佈，目標為慢起伏。 -
In the analysis process, the six main peaks in 88 - 100 kev region, including the y peaks of 234th, the k peaks of th and the k peaks of u, are chosen. the smoothly joined gaussian function and low energy exponential tail is taken as peak shape function and quadratic polynomial is taken as background function. the two functions are fitted to gether to calculate the peak area
在分析過程中，選擇了88 - 100kev能區的~ （ 234 ） th的射線峰， th的k _射線峰以及u的k _射線峰共六個主要能峰，通過採用高斯函數和低能指數尾部光滑聯接的峰形函數和二次多項式本底函數一起擬合，來求出峰面積；而該能區所有能峰的探測效率可以認為是近似相等的，由此得到鈾富集度。 -
The fourier transform infrared ( ftir ) spectrum is an effective technology for studying the hydrogen content ( ch ) and the silicon - hydrogen bonding configuration ( si - hn ) of hudrogenated amorphous silicon ( a - si : h ) films. in the paper, ch and si - hn of a - si : h films, fabricated at different ratio of h2 / sih4 by microwave electron cyclotron resonance plasma chemical vapor ( wmecr cvd ) method, have been obtained by analyzing their ftir spectra that are treated by baseline fitting and gaussian function fitting. the effects of ratio of h2 / sih4 on ch and si - hn are studied
Fourier紅外透射（ ftir ）譜是研究氫化非晶硅（ a - si : h ）薄膜中氫含量（ c _ h ）及硅-氫鍵合模式（ si - h _ n ）最有效的手段，對于微波等離子體化學氣相沉積（ mwecrcvd ）方法在不同h _ 2 sih _ 4稀釋比下制備出的氫化非晶硅薄膜，我們通過紅外透射光譜的基線擬合、高斯擬合分析，得出了薄膜中的氫含量，硅氫鍵合方式及其組分，並分析了這些參數隨h _ 2 sih _ 4稀釋比變化的規律。 -
Based on this ill - posed problem of edge detection, the edge types that exist in real images are described as mathematical models and the edge models that smoothed by gaussian function are regarded as the research objects. the paper systematically analyzes the characteristics of the different edge types and the relations between the localization of the different edge types and the smoothing scale while using the numerical differentiation as the method to detect edges
本文從邊緣檢測的「兩難」問題出發，對實際圖像中可能出現的邊緣類型進行了數學模型描述，然後把高斯平滑后的邊緣模型作為研究對象，系統地分析了採用微分法檢測邊緣時，不同的邊緣類型表現出來的特性，以及不同類型的邊緣定位與平滑尺度的關系。 -
The gaussian function set depends on its centroid and width, therefore, we derive new supervised gradient descent algorithms to tune the parameters of " if - part " of gaussian functions. it also tunes the " then - part " of gaussian function
高斯型函數是由它的中心和寬度兩個參數決定的，所以，我們給出新的有監督的梯度下降演算法來調整如果部分高斯函數與則部分的高斯函數的中心和寬度。 -
It is assumed that the particles experience several internal states in a single mechanical - chemical circle. in this model, the transition rates between different states are position - dependent which have the form of gaussian function. for any internal states, the probability distribution as a function of the time and position may be expanded near the transition points to any rank if necessary
我們認為馬達在不同狀態之間的躍遷不再局限於某些固定的躍遷點，也不是在各個位置都是等幾率的，而是發生在某些點附近的一定寬度范圍內，用躍遷寬度這一特徵量表徵躍遷范圍的大小，能夠較好地說明分子馬達的動力學行為。 -
The way is associated with the development of high speed cpu so as to real - time compute some gaussian function. it presents a way with tolerant idea for solving the security and reliability in dcs now
這種方法結合目前高速微處理器的發展，少量實時計算帶有高斯函數的方程，為目前集散控制系統的發展提供了一種帶有容錯化的思想。 -
As examples, heterogeneous anisotropic fractured rocks of which the autocorrelation functions of crack number density can be described as 2 - dimensional exponential ellipsoidal or gaussian function were simulated especially. the results show that : 1 ) the random distribution characters could be different for different elastic constants under the same random distribution of crack number density. 2 ) the exponential ellipsoidal heterogeneous anisotropic random fractured model could be a suitable model for the multi - scaled and self - similar heterogeneous media
模擬結果表明： 1 ）彈性常數的分佈特徵與裂紋數密度的分佈特徵不相同，並且裂紋數密度對不同的彈性常數有不同程度的影響； 2 ）指數橢圓型隨機裂縫模型適用於模擬具有多尺度、自相似的特性非均勻裂縫巖石； 3 ） gaussian型隨機裂縫模型適用於模擬單尺度、平滑的非均勻裂縫巖石。
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