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指数滤波器
相关语句
  exponential filter
     An Adaptive Exponential Filter Used for Image Edge Detection
     一种用于图像边缘检测的自适应指数滤波器
短句来源
     Sufficient conditions are proposed for the existence of desired exponential filter.
     获得了理想的H_∞指数滤波器存在的充分条件。
短句来源
     The input (record) is filtered by the application of an optimum bilateral exponential filter, and the output model of gold signal for each line is produced.
     利用最佳双边指数滤波器,输入信号(记录)进行滤被面得出各测线上金的信号输出模塑。
短句来源
  “指数滤波器”译为未确定词的双语例句
     Both step edgedetection and ridge edge detection were discussed.
     基于无限对称指数滤波器(ISEF)的沈俊算子是阶跃边缘检测一阶最佳算子的定常系数特例,且易于递推实现和便于调整参数,因此,采用沈俊算子进行阶跃边缘的检测。
短句来源
     We also show that the piecewise degree n filter yield good results if we choose λ as the Donoho and Johnstone universal threshold and the limit value of the degree n filter is an ideal lowpass filter, while the exponential one is more suitable if we use the recently proposed H-curve criterion.
     也证明了如果选择λ作为Donoho和Johnstone全局阈值,分段n次滤波器产生了很好的去噪效果,分段n次滤波器的极限是一理想低通滤波器,而如果使用最近提出的H-曲线准则,指数滤波器更适合去噪。
短句来源
     The filters designed by using the given approach can guarantee the stead-state and transient performance. By choosing suitable attenuation index, the perfect performances of filters can be attained. Simulation demonstrates the effectiveness of the presented results.
     四、研究了一类不确定非线性时滞系统的指数滤波器设计问题,提出了一种设计指数滤波器的方法,使用该方法设计的滤波器可以同时保证滤波器的稳态性能和暂态性能,通过选取滤波器的衰减指数,可以使得滤波器具有良好的衰减性能,仿真结果很好地验证了所给出的方法。
短句来源
     For example, the two papers of Li and Ma [6] and Ma and Li [9] are shown to have an intrinsic uniformity from our results.
     对于已有文献中相关于对称指数滤波器的两类不同形式 ,例如 L i等 [6 ] 和 Ma等 [9] ,该文从理论上进一步刻画了它们的内在一致性
短句来源
  相似匹配句对
     Pascal-Transform-Based Implementation of Exponential-Type Filters
     指数滤波器实现的Pascal变换方法
短句来源
     Decentralized Filter
     分散滤波器
短句来源
     Auto tracked Filter
     自动跟踪滤波器
短句来源
     Indices in Renal Failure
     尿指数
短句来源
     Service Quality Index
     服务质量指数
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  exponential filter
It was found that numerical filtering using the high-order exponential filter and low-pass filter with sharp high mode cutoff applied in the spectral simulations significantly affects the convergence of the numerical solution.
      
A simple exponential filter is used to filter GPS water level fluctuations.
      
An instrumental exponential filter was present during the FID which added 50 Hz linewidth to the observed spectral line.
      
At first, an exponential filter is used to generate an estimate based on the size and the intensity of arrival of the transmissions.
      
Instead of using recursive filters, an exponential filter was used to model B.
      
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The variation of gold concentration for the secondary halo on Doranasai gold deposit has been analysed by correlogram. A first order Markovian model of the type: Y = Y0exp(-a|τ|), which is validated by computing the varianceassumed length of sample relationship, is fit by the least-sequares method to serial correlation coefficients. The input (record) is filtered by the application of an optimum bilateral exponential filter, and the output model of gold signal for each line is produced.

本文对多拉纳萨依金矿次生晕中金含量空间变化性进行自相关分析,并用对自相关系数进行最小二乘法拟合。通过计算方差与假设样长的关系,考核了一阶马尔科夫模型。利用最佳双边指数滤波器,输入信号(记录)进行滤被面得出各测线上金的信号输出模塑。

This paper presents an adaptive exponential filter used for edge detection. It can be designed to eliminate the noise of image and obtain good precision of edge localization. In this paper, we analysis this filter in detail and show that it can be realized by a simple recursive algnrithim. The performance of this filter is compared with Gaussian filter theoretically and experimentally. It is shown that the performance of this filter is superior to Gaussian filter.

本文提出一种用于图像边缘检测的自适应滤波器,利用它既可滤除图像噪声,又可获取精确度高的图像边缘。文中比较详细地分析了这种滤波器,并给出了递归实现算法。理论分析和实验结果表明,自适应指数滤波器的性能优于高斯滤波器。

Two digital low pass filter used in Fourier Transform Profilometry is proposed and compared with Window low pass filter,verified by experiments.The two filters(high power index filter and rectangle cosine filter)have a adjustable flat pass band,flat and no sidelobes stopband,and the precipitous transition band links the pass band and the stopband slick and sly.Thus more useful frequency component can be kept as far as possible,the useless high...

Two digital low pass filter used in Fourier Transform Profilometry is proposed and compared with Window low pass filter,verified by experiments.The two filters(high power index filter and rectangle cosine filter)have a adjustable flat pass band,flat and no sidelobes stopband,and the precipitous transition band links the pass band and the stopband slick and sly.Thus more useful frequency component can be kept as far as possible,the useless high frequency component is filtered quite well.The influence of side peak of low pass filter,designed by common window functions method,can be overcame.Experimental results prove that these two filter are simple in used,convenient in adjusting parameter,and have wide scope of application.There are many special characteristic in measuring the object details with large crook rate changing.

本文提出了两种用于曲面形貌检测的傅里叶变换法中的频域低通滤波器,并与常用的窗口法低通滤波器进行了比较,给出了实际测量的结果。这两种频域低通滤波器(高幂次指数滤波器和矩形余弦滤波器)有可方便调整且平直的通带,平直无旁瓣的阻带,较陡的边带将通带与阻带间圆滑过渡连接,从而可尽可能多地保留有用频率成分,很好地滤掉直流和不用的高频分量,且较好地抑制振铃现象,克服一般窗口法设计的低通滤波器中旁瓣的影响。具有使用简单、参数调整方便、应用范围广等特点,尤其是对具有大梯度表面和棱角细节的物体检测更有独到之处,具有广泛的应用前景。

 
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