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2下载:
数字滤波器的C语言实现,包括高通、低通、带通滤波器-Digital Filter C language, including high - and low-pass, band-pass filter
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编程实现:
低通数字滤波器的设计。
设计一低通FIR滤波器,对应的模拟系统的幅度响应
抽样频率10kHz,过渡带0.5kHz,用窗口法设计。
画出数字滤波器频率响应。
连续信号经过10kHz抽样后,通过该数字滤波器,分析输入和输出的频谱。
-Programming : low-pass digital filter design. Design an FIR low-pass filter, the corresponding simulation system r
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用矩形窗设计了一个FIR线性相位低通数字滤波器。截止频率0.5π,阶数为21阶。求出了系统函数并画出了幅频响应。-A rectangular window design with linear phase FIR low-pass digital filter. Cutoff frequency 0.5π, the order of 21 bands. Find the system function and plotted the amplitude-frequency response.
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1. 用imoise()函数给一幅数字图像加入’salt & pepper’和’Gaussian’噪声2)用3x3,5x5邻域平均平滑对图像进行处理3)用3x3,5x5中值滤波对图像进行处理,
2. 对一幅数字图像采用理想低通、Butterworth低通 、Gaussian低通滤波器进行平滑;对一幅数字图像采用理想高通、Butterworth高通 、Gaussian高通滤波器进行平滑。-1. With imoise () function to a digital image by a
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IIR 数字滤波器设计:模拟低通巴特沃思滤波器、模拟低通切比雪夫1型滤波器、模拟低通切比雪夫2型滤波器、模拟椭圆低通滤波器-IIR Digital Filter Design: Analog low-pass Butterworth filter, analog low-pass Chebyshev Type 1 filter, analog low-pass Chebyshev type 2 filter, analog elliptical low-pass filter
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数字滤波器的C语言实现,其中包括低通,带通,高通滤波器,还有巴特沃斯滤波器的实现-The C language realization of digital filters, including low-pass, band pass, high pass filter, as well as the realization of Butterworth filter
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梳状滤波器的频率特性和实际低通数字滤波器的典型幅频特性-Comb filter frequency characteristics and actual low pass digital filter typical amplitude-frequency characteristic
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自己做的:
(一)用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅰ型低通数字滤波器,其采样频率Fs =8KHz,1DB通带边界频率为fp=2KHz。
(二)用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅱ型高通数字滤波器,其采样频率Fs =16KHz,阻带边界频率为fst =4KHz,As=20dB。
-(A) design using the bilinear transformation method and the experimental system of a
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基础的音频处理matlab程序,设计巴特沃斯低通数字滤波器实现滤波。-Matlab-based audio processing procedures, Butterworth low-pass digital filter designed to achieve the filtering.
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以“低成本和高性能”为设计思想,借助虚拟仪器的概念和高速的数字信号处理算法将传统的函数发生器、示波器、数据记录仪、频率计、谱分析仪以及滤波器的设计和仿真等功能高度集成、统一平台方便使用。 -With " low cost and high performance" for design ideas, using the concept of virtual instruments and high-speed digital signal processing algorit
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设计一个低通数字滤波器,满足如下设计指标:
通带截止频率:0.2pi,通带波动:1dB
阻带截止频率:0.3pi,阻带衰减:15dB
要求:采用切比雪夫Ⅱ型滤波器原型,并分别采用脉冲响应不变变换法和双线性变换法进行设计,比较设计的结果,并进行分析
-Design a low pass digital filters that meet the following design specifications: passband cutoff frequency: 0.2pi
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介绍了数字滤波器的种类和设计方法,在MATLAB环境下对满足有源滤波器性能要求
的低通数字式滤波器进行了实例设计,并分析了其滤波特性,最后结合有源滤波器中所使用的DSP
控制器,完成了该低通数字滤波器的实现。
-Describes the type and design of digital filter method, under the MATLAB environment to meet the performance requirements of active filter
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图像对数变换,图像拉伸和压缩灰度值,图像规定化,均衡化,位图切割,图像放大缩小,图像求反,平或滤波器,理想低通滤波器,理想高通滤波器,巴特低通滤波器-Logarithmic transformation of the image, the image gray value stretching and compression, image-oriented provisions, equalization, cutting bitmap, image zoom, image inverted,
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用凯瑟窗设计一个数字带通滤波器,设计指标为
低阻带:ws1=0.2pi,as=70dB,
低通带:wp1=0.35pi,ap=1dB,
高通带:wp2=0.65pi,ap=1dB,
高阻带:ws2=0.8pi,as=60dB-Kaiser window design with a digital band-pass filter design specifications for the
Low resistivity zone: ws1 = 0.2pi, as = 70d
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基于FPGA的IIR低通数字滤波器设计
IIR low-pass digital filter design based on FPGA-IIR low-pass digital filter design based on FPGA
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用标准的遗传算法优化低通数字滤波器的参数,采用的方法是最小均方误差法,得到较为理想的滤波器的传递函数的系数。-Genetic algorithm using standard low-pass digital filter, the method used is the minimum mean square error method to obtain the ideal filter transfer function coefficients.
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使用matlab设计一个巴特沃斯低通数字滤波器,使用它对一个混合信号进行滤波,加深对低通滤波器的理解-Using matlab to design a Butterworth low-pass digital filter, use it to a mixed-signal filtering, to deepen the understanding of the low-pass filter
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这个是我数字信号处理这门课的课程设计,文件包括用matlab编写的代码和设计报告.这个设计包括卷积演示程序、采样定理演示程序、模拟滤波器设计演示程序、设计切比雪夫I型低通滤波器、切比雪夫I型低通滤波器、双线性变换法设计巴特沃斯低通数字滤波器、用凯塞窗设计高通滤波器-This is my digital signal processing the course of the curriculum design, preparation of documents including the use
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(1)设计低通、带通、高通数字滤波器;
(2)可以对合成信号(含低频、中频、高频分量)、语音信号进行滤波;
(3)通过GUI界面进行控制。-(1) design low pass, band pass, high pass digital filter
(2) can be synthesized signal (including the low frequency, medium frequency, high frequency components), filtered s
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本程序详细介绍了如何设计基于窗函数的低通数字滤波器(This procedure describes in detail how to design a low-pass digital filter based on window function)
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