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实现DSP编程中重要的二阶巴特沃思滤波器的实现，编程环境可以用CCS或matlab-DSP Programming important second-order Butterworth filter realization, programming environment can be used or Matlab CCS
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巴特沃斯二阶滤波器，高通滤波器，可以有效地对信号进行处理,Second-order Butterworth filter, high-pass filter is an effective way to process the signals
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二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of
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这段代码主要是实现二阶巴特沃斯高通滤波器，本段代码全部用MATLAB语言实现的。,This code is to achieve second-order Butterworth high-pass filter, the above code to achieve the full use of the MATLAB language.
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这段代码主要是实现二阶高斯低通滤波器，本段代码全部用MATLAB语言实现的。,This code is to achieve second-order Gaussian low-pass filter, the above code to achieve the full use of the MATLAB language.
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kalman滤波 针对二阶系统的位置速度估计 适合于初学kalman滤波算法的朋友 代码含有详细解释-kalman filter for the position of second-order system is suitable for beginners speed estimation kalman filter algorithm friend code contains detailed explanations
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二阶高斯低通滤波器，实现对图像的平滑处理，-Gaussian second-order low-pass filter, to achieve the smoothing of images,
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MATLAB Code for Optimal Quincunx Filter
Bank Design
Yi Chen
July 17, 2006
This file introduces the MATLAB code that implements the two algorithms (i.e., Algorithms
1 and 2 in [1], or Algorithms 4.1 and 4.2 in [2]) used for the construction
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基于matlab实现窗函数设计滤波器，包括矩形窗，升余弦窗，二阶升余弦窗。-Matlab window function based on the realization of the design filter, including the rectangular window, raised cosine window, the second order raised cosine window.
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这段代码主要是实现二阶理想高通滤波器，本段代码全部用MATLAB语言实现的。-This code is to achieve the ideal second-order high-pass filter, the above code to achieve the full use of the MATLAB language.
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有源低通二阶滤波器的设计文档，有一定参考意义-Second-order low-pass active filter design document, a certain reference value
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设计巴特沃斯低通和高通IIR数字滤波器，得到二阶频率级联参数-Design of Butterworth low-pass and high-pass IIR digital filters, to be cascaded second-order frequency parameter
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二阶有源低通滤波器在各参数设置下的频谱分析。-Second-order active low-pass filter settings in the parameters of spectral analysis.
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这是我先根据MATLAB设计的一个FIR滤波器，然后c语言实现，是二阶的，非常好用。-This is my first one under the MATLAB FIR filter design, and then c languages to achieve, is the second order, quite well.
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FIR二阶带通滤波器MATLAB仿真程序，分析，绘图，手动设置参数-Second-order band-pass FIR filter simulation program MATLAB, analysis, mapping, set the parameters manually
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EKF仅仅利用了非线性函数Taylor展开式的一阶偏导部分（忽略高阶项），常常导致在状态的后验分布的估计上产生较大的误差，影响滤波算法的性能，从而影响整个跟踪系统的性能。最近，在自适应滤波领域又出现了新的算法——无味变换Kalman滤波器（Unscented Kalman Filter-UKF）。UKF的思想不同于EKF滤波，它通过设计少量的σ点，由σ点经由非线性函数的传播，计算出随机向量一、二阶统计特性的传播。因此它比EKF滤波能更好地迫近状态方程的非线性特性，从而比EKF滤波具有更高的估计精
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Matlab图像处理,图像平滑滤波，二阶巴特沃兹低通滤波，二阶巴特沃兹高通滤波，中值滤波- Matlab image processing, image smooth filtering, second order bart woz low pass filtering, second order bart woz high-pass filter, median filter
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数字图像频域滤波处理，分别进行二阶巴特沃斯(Butterworth)高通、低通滤波器。-Digital image processing frequency domain filtering, respectively second-order Butterworth (Butterworth) high pass, low pass filter.
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一个很简单的学习例子，标注很清楚，是一个二阶的状态方程，可以很快学到如何建立卡尔曼滤波观测器(A very simple learning example, clearly labeled Is a second-order equation of state, and you can learn very quickly how to set up a kalman filter observer)
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二阶加权自适应滤波器，对输入信号进行自适应滤波。(Second-order weighted adaptive filter is used to filter the input signal adaptively.)
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