格型滤波器 meaning in English
lattice filter
Examples
- In part four , a new method of design linear phase filter banks with sopot ( sum of powers of two ) coefficients is presented on the basis of perfect reconstruction lattice structure filter banks
第四部分，在完全重构线性相位格型滤波器组的基础上，我们提出了一种设计无乘法的线性相位滤波器组的新方法，实验证明该方法是有效的。 - It consists of several parts as follows : in the first part , after an introduction of basic theory and history of filter banks , an analysis of lattice structure filter banks is given . the requirements of perfect reconstruction and linear phase are discussed and some constrains of filter length and symmetry property are analyzed in details . besides , relative designing practice and examples are given
论文的工作主要有如下几个部分：第一部分，我们介绍了子带滤波器组的基本理论和发展情况，研究了格型结构滤波器组，讨论了其完全重构条件和实现线性相位的要求，并详细分析了在实现完全重构线性相位格型滤波器组时滤波器的长度和对称性约束，讨论了优化设计的方法，并给出了例子。 - And a design example is given to prove the efficiency of this method . the fifth part is a research of application of filter banks in the image denoising . a new denoising method with optimized threshold is introduced , whose efficiency has been certified by some comparing examples
第五部分，我们研究了子带滤波器组在图像消噪中的应用，并且在完全重构格型滤波器组的基础上，提出了一种利用优化阈值进行图像消噪的新方法，对比实验的结果表明该方法可以得到良好的消噪效果。