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正交滤波器
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  orthogonal filter
     Orthogonal Filter Approach to Signal Demodulation
     信号解调的正交滤波器方法
短句来源
     ORTHOGONAL, FILTER DESIGN MOTHED BASED ON SHORT DATA WINDOW
     基于短数据窗正交滤波器的设计方法
短句来源
     Based on the features of FIR digital filters,the orthogonal filter approach to signal demodulation is presentd in this paper,which includes FIR based orthogonal filter approach and orthogonal wavelet based orthogonal filter approach.
     本文从数字滤波器的角度出发,提出了实现信号解调的正交滤波器法,即基于 F I R 正交滤波器方法和基于正交小波函数的正交滤波器方法。
短句来源
     After deficiencies of the FIR based orthogonal filter are analyzed,this paper,based on function approximation,theoretically proves that orthogonal wavelets can best approximate the ideal filters.
     针对 F I R 正交滤波器方法的缺点,本文根据函数逼近理论,在理论上,证明了正交小波函数可以最佳一致逼近理想滤波器。
短句来源
     A method of constructing wavelets by orthogonal filter banks is introduced, and the orthogonal filter banks must be regularity for constructing wavelets.
     讨论了由正交滤波器组构造小波的方法和所要满足的正则性条件。
短句来源
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  quadrature filter
     By adjusting the calculation flow of this algorithm,a new wavelet decomposition and reconstruction algorithm is presented based on conjugate quadrature filter bank.
     通过调整M a llat算法的运算流程,得到了小波变换的一种基于共轭正交滤波器组的重构算法.
短句来源
     From the point of view of the complex scalar wavelet, the relationship between the complex scalar wavelet and the real multiwavelet is established in the method 1. Based on the general short support and orthonormal scalar wavelet, we constitute the matrix conjugate quadrature filter with interpolation symmetry in method 2. The method 2 is simple and easy to realize.
     方法 1从复值小波的角度出发 ,建立了复值单小波与实值多小波之间的对应关系 ; 方法 2从一般的紧支对称单小波出发 ,构造了多小波的镜像对称共轭正交滤波器 ,其构造方法简单 ,易于实现
短句来源
     The wavelet filters adopted in the progress are the conjugate quadrature filter bank(CQF) and the Daubechies (Daub)based filter. Analysis and comparison of the results are made when different wavelet filters work.
     同时对不同频段信号的分离采用不同的小波滤波器——共轭正交滤波器(CQF)与Daubechies(Daub)小波滤波器的滤波效果进行了比较和分析。
短句来源
     The relationship between even-length and odd-length matrix conjugate quadrature filter (MCQFs) was introduced. A set of rules for deriving higher MCQFs from a lower one was established.
     给出了偶数与奇数长度矩阵共轭正交滤波器(MCQFs)的转换关系,并且给出了由低阶MCQFs派生出高阶MCQFs的方法.
短句来源
     Construction of Matrix Conjugate Quadrature Filter Banks
     矩阵共轭正交滤波器组的生成
短句来源
更多       
  orthogonal filters
     A Method for Array Direction Finding Based on Digital Orthogonal Filters
     数字正交滤波器在阵列测向中的应用
短句来源
     A real time detection of the QRS complex using the envelope of the ECG is discussed in the paper. The approximate envelope is based on the orthogonal filters, which can be easily executed on an 8 bit microprocessor.
     本文讨论了利用正交滤波器实现的心电QRS波包络实时检测方法,该方法可方便地在8位微处理机上实现。
短句来源
     A sufficient and necessary condition for the construction of the orthogonal multi-scaling functions with the a-scale by any orthogonal uni-scaling function and orthogonal filters is obtained. An approach for constructing the orthogonal multi-wavelet is presented.
     证明了由任意a尺度正交单尺度函数和任意一组正交滤波器生成a尺度r重正交多尺度函数的一个充分必要条件,并给出了a尺度r重正交多小波的一种构造方法。
短句来源
  “正交滤波器”译为未确定词的双语例句
     And some results are obtained based on the selection criteria. Secondly, by comparing the famous Daubechies biorthogonal wavelet bases 9/7, 7/9, 5/7, 7/5, 9/3, 3/9, 5/3, 3/5 in terms of the robustness of watermarking, biorthononal wavelet bases suitable for digital watermarking are selected.
     然后通过对著名且广泛应用的Daubechies双正交滤波器 9 7、 7 9、 5 3、 3 5、 7 5、 5 7、9 3和 3 9的稳健性能进行比较 ,选出了比较适合应用于数字水印的双正交小波基
短句来源
     The Design of the Conjugate Orthonormal Filter Based on Wavelets Theory
     基于小波理论的共轭正交滤波器的设计
短句来源
     Wavelet Packets Analysis Based on IIR Two Channel Biorthogonal Filter Banks
     基于IR两通道双正交滤波器组的小波包分析
短句来源
     Design of Biorthogonal Filterbanks by Sequential Lifting
     用序惯提升设计双正交滤波器
短句来源
     Design of Signal-adapted Two-Band Biorthogonal Linear Phase Filter Banks
     两带自适应FIR线性相位双正交滤波器组设计
短句来源
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  orthogonal filter
It processes gravity and pressure signals using an orthogonal filter bank derived from high-degree Daubechies wavelets.
      
In this paper we examine the zero-input stability properties of the actual orthogonal filter having both overflow and quantization nonlinearities.
      
Biorthogonal and orthogonal filter pairs derived from the family of binomial product filters are considered for wavelet transform implementation with the goal of high performance lossy image compression.
      
Actually, Do also found that it is the minimal orthogonal filter with second-order directional vanishing moments.
      
Among MD orthogonal filter banks, the two-channel ones are the simplest and most popular.
      
更多          
  quadrature filter
Hermite Interpolation in Loop Groups and Conjugate Quadrature Filter Approximation
      
In this paper, we first study the mathematical properties of the quadrature filter pairs most commonly seen in the literature and then consider some new pairs derived from the classical feature detection literature.
      
We apply this result to design a conjugate quadrature filter whose zeros contain an arbitrary finite subset Λ??\{0} with the property that for every implies and.
      
The central ideas of the conventional nonlinear filters, such as extended Kalman filter, unscented Kalman filter and the Gaussian quadrature filter, are used to construct these proposal distributions.
      
An efficient implementation of a quadrature filter hierarchy for generic purposes using sparse filter components is presented.
      
更多          
  orthogonal filters
In this paper, a class of finitely supported orthogonal filters with interpolation and symmetry is constructed.
      
The building blocks used in this paper are similar to those in certain wave-digital filters and orthogonal filters.
      
In digital communication networks, a special class of complex biquad recursive digital filters called orthogonal filters is increasingly being used.
      
The separate effects of the overflow and quantization nonlinearities on these orthogonal filters' responses have been investigated [5], [6].
      
A special class of complex biquad digital filters called orthogonal filters are investigated for stability under two's complement quantization.
      
更多          


This paper introduces the design of a combined differential and ortho-gonal digital filter for abstracting fundamental and harmonic components from highly biased electric signals due to power system faults. Digital emulations on both PRIME-550 minicomputer and MDS-287 microcomputer development system proved that the combined filter has the adva ntages of high accuracy and less amount of calculation. The dynamic modeling tests gave satisfactory results for the employment of the filter in a modee-microcomputer...

This paper introduces the design of a combined differential and ortho-gonal digital filter for abstracting fundamental and harmonic components from highly biased electric signals due to power system faults. Digital emulations on both PRIME-550 minicomputer and MDS-287 microcomputer development system proved that the combined filter has the adva ntages of high accuracy and less amount of calculation. The dynamic modeling tests gave satisfactory results for the employment of the filter in a modee-microcomputer based fault locator.

本文分析了电气事故信号的特点,讨论了差分滤波器和正弦余弦正交滤波器,导出了由差分滤波器和正弦余弦正交滤波组成的复合数字滤波器的计算公式。该滤波器能从电力系统复杂的事故信号中有效地提取基波或各次谐波分量,即使信号中含有强烈的衰减直流分量也是一样。在PRIME小型计算机上和MDS287微机开发系统上所做数字仿真的结果,说明本文设计的复合数字滤波器具有精度高、计算工作量小等优点,将本滤波程序应用于微机故障测距和录波装置,经过动态模拟实验的考验,滤波效果良好。

A real time detection of the QRS complex using the envelope of the ECG is discussed in the paper. The approximate envelope is based on the orthogonal filters, which can be easily executed on an 8 bit microprocessor.

本文讨论了利用正交滤波器实现的心电QRS波包络实时检测方法,该方法可方便地在8位微处理机上实现。

The mathematical models of quadrature mirror filter are obtained with the Z transformer. And the conditions of the conjugate orthonormal filter is derived.Then, We have designed the conjugate orthonormal filter by the wavelets theory.

本文应用Z变换建立二次镜象滤波器的数学模型,导出共轭正交滤波器的条件,利用小波理论对共轭正交滤波器进行设计.

 
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