Multirate Signal Processing: Filtering, Decimation, Polyphase, Perfect Reconstruction and Aliasing Removal.
多速率信号处理：滤波、抽样、多相位、完整重建和去混叠。
Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解，证明了多通道低通滤波器满足完全重构条件。
Firstly, the theory of multi-channel derivative sampling is described and the compact perfect reconstruction condition is given.
首先阐明了多阶微分采样的原理，给出了更为简洁的完美重构条件。
A novel design for a two-channel IIR quadrature mirror filter (QMF) bank with near-perfect reconstruction is presented in this thesis.
本文提出了一种新的设计两通道近似完全重构IIR滤波器组的方法。
A novel design method for the prototype filters of a Near Perfect Reconstruction (NPR) Discrete Fourier Transform (DFT) modulated filter bank is proposed.
提出了一种新的近似完全重构(npr)离散傅立叶变换(DFT)调制滤波器组的原型滤波器设计方法。
The traditional method is that the impulse response of filter can be gotten by optimization under the perfect reconstruction condition. The performance of filters is not very good.
传统的研究方法是在满足滤波器组完全重构的情况下通过寻优的方法得到滤波器的冲击响应，所得到的滤波器性能较差。
Starting from perfect reconstruction filter Banks, the relationship between the wavelet and the filter Banks is analyzed, and the construction of complex discrete orthonormal wavelet is discussed.
从完全重构滤波器组出发，分析了小波与滤波器组之间的关系，讨论了复数离散正交小波的构造。
Besides, biological reconstruction and tissue engineering must be the answer to the extent problem. These will make the artificial finger joints more perfect.
此外，通过生物学重建的方法和组织工程，将解决现存的各项问题，从而使人工关节更趋完美。
Theoretic guides for tree species selected, proper arrangement and perfect manual vegetation system reconstruction will be provided by study on traits of tree species drought-resistance.
通过树种耐旱生理、耗水特性等指标的研究，可为合理选择树种并进行适当搭配，建立较为完善的人工植被恢复系统，提供理论依据。
Theoretic guides for tree species selected, proper arrangement and perfect manual vegetation system reconstruction will be provided by study on traits of tree species drought-resistance.
通过树种耐旱生理、耗水特性等指标的研究，可为合理选择树种并进行适当搭配，建立较为完善的人工植被恢复系统，提供理论依据。
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