| 1. | Digital comb type filter 数位梳型滤波器 |
| 2. | Demonstrating the stable operating condition of voltage - controlled voltage source filter 二阶压控电压源型滤波器稳定工作条件的证明 |
| 3. | Comb type filter 梳型滤波器 |
| 4. | General - purpose filter with a good suppression to common - mode and differential - mode interference 通用型滤波器,对差模和共模干扰具有良好的抑制特性。 |
| 5. | 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。 |
| 6. | In chapter 2 we introduce the algorithm of suppressing speckle in common use . lee filters and pyramidal morphology filters are included . we bring forward a new kind of parallel pyramidal morphology filter for realizing in hardware 第二章介绍了一些斑点噪声抑制算法: lee滤波器和塔型形态滤波器,提出了一种新的适合于硬件实现的并行塔型滤波器。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | We encoded and optimized the filter to design the algorithm for filter . computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image , but also improve the resolution and the focal depth . it provides directive basis for the development of the experiment and the practicability of the technology 计算机模拟结果表明,通过在非瞳孔面的适当分数傅立叶变换面上加入优化设计的位相型滤波器,可有效减小光刻图形的线宽偏差和面积偏差,提高成像系统的分辨率和焦深,为分数域滤波改善光刻图形质量实验的开展和这一分辨率增强技术走向实用化提供了指导依据。 |
| 10. | In practical studies , finally , a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up , including a cycloconverter acem . based on the experimental set - up , plenty of experimental studies were conducted . the experimental results demonstrate that the self - adaptive technique , the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical 最后,实际研制了一套以dsp (高速数字信号处理器)和ipm (智能功率模块)为核心的小功率混合型有源滤波装置,在交交变频acem实验平台上进行了全面的实验研究,充分验证了本文所提出的自适应同步相关滤波技术、优化混合型滤波器拓扑结构和有关的关键性技术的正确性和实用性,从而从理论到实践全方位、成功地实现了对交流励磁发电机输出电力谐波抑制的研究。 |