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- The circular symmetric filter bank satisfying reconstruction conditions is designed by genetic algorithm. The 9/7 biorthogonal filter bank is mapped to fan filter bank by the mapping function which derived from the Bernstein polynomial. 文中利用遗传算法设计满足重构要求的圆对称滤波器组,应用伯恩斯坦多项式设计的映射函数将9/7双正交滤波器组映射为扇形滤波器组。
- circular symmetric filter bank 伯恩斯坦多项式
- The articcle extends the transfer matrix method to the circular symmetric waveguide problem, and higes the eigenequation,cut-off condition and far away cut-off condition. 将转移矩阵理论推广到圆对称均匀波导问题,求出了圆对称均匀波导的本征方程、截止条件和远离截止条件。
- The circular symmetric point and the apalanatic point of spherical lens have one same expression,however the two kinds conjugate point are belong to difference category. 圆周的对称点与球透镜的齐明点虽然有一个相同的表达式,但这两类不同范畴的共轭点有着内在的差异,分析这种差异,有利于更好地理解它们。
- Detect Ventricular Late Potentials Using Filter Bank and Correlation Method. 应用滤波器组相关法去噪以检测心室晚电位。
- In this paper,we consider the factorization of polyphase matrix of a class of orthogonal symmetric multi-band wavelet filter banks,and construct a class of filter bank with freedom parameter. 本文考滤了一类多带正交对称小波滤波器对应多相矩阵分解结构,系统地构造了一类具有自由参数多带小波滤波器簇,以4带小波为例得到了用参数角表示的一类正交对称滤波器序列。
- The transforms of disks and rings and the like will obviously be circularly symmetric. 圆盘和圆环等的变换式显然将是圆形对称的。
- We have shown that using filter bank theory, the multicarrier transceiver can be formulated into an MIMO (multi input multi output) LTI system. 我们利用滤波器组理论将多载波收发器化成多输入多输出(MIMO)且线性非时变(LTI)系统。
- A new improved optimization method is promoted based on common minimum-maximum principle for implementation of the filter bank of MTD radar. 针对雷达中动目标检测技术中滤波器组设计,从普遍采用基于最小最大化的优化原则出发提出了一种改进优化原则。
- The circularly symmetric pattern for the third class of trimolecular model is studied in detail. 对第三类三分子模型的圆对称模式进行了详细的研究。
- In the multirate digital processing system, the cosine-modulated bank is a commonly used filter bank and has received much attention. 在多速率数字信号处理系统中,余弦调制滤波器组受到广泛关注。
- In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal. 本文利用DFT滤波器组、FFT,提出了一种宽带信号的实时谱分析方法。
- Using a template signal that contains a prior signal information, a set of nonparametric basis functions are obtained by means of a filter bank. 该方法不需要构造参数表达的基函数,而是将具有信号先验知识的模板信号通过滤波器组得到一组基函数来提取隐藏在噪声中的信号。
- Digital Image Watermarking of Circular Symmetric Spread Spectrum 圆对称扩频数字图像水印方案
- In this thesis we develop algorithms for the processing of textures and images using a ladder-based biorthogonal directional filter bank (DFB). 本研究提出一个新的电脑视觉辅助设计系统,将图腾的绘制,予以自动化。
- This paper presents a sample-time error calibration method using interpolation filter bank based on the theory of the nonuniform sampling signal reconstruction. 本文基于非均匀采样信号的重构理论,提出了一种利用内插滤波器组对定时误差进行消除的方法。
- For this program, we can construct any compactly supported biorthogonal wavelets.And the algebraic structure of this filter bank can be shown by the program. 此程序不但可以给出任意双正交小波滤波器族参数表示,还可以用来刻划滤波器族代数结构。
- The moment-based method is based on the Zernike moment techniques.The different efficacy of corresponding methods is acquired by taking circularly symmetric fiducial as subject in the experiment. 采用基于矩的方法和曲线插值法在理论及实验上均达到了亚像素精度级,获得了不同算法对特征定位影响。
- As a case study, a previously unpublished 17/11 biorthogonal wavelet filter bank with rational coefficients is constructed, which has optimum coding gain. 作为构造实例,构造出一种新的有理系数17/11双正交小波滤波器,它具有优化的编码增益。
- The performances of PAPR in different kinds of wavelet filter bank are compared.A companding technique, by which the PAPR of WPM signal can he reduced, is proposed. 并对不同小波滤波器组的PAPR性能进行了比较,提出了种能有效减小WPM系统的峰均比的压缩扩展算法。