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Description: 是基于chirp-z的频谱细化matlab程序
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Size: 593 |
Author: luhaorui |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、FIR和Lattice结构；IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计，以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等；FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计；平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计；非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布；非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计，以及双谱估计的应用；信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。-signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non- parametric model b
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Size: 101376 |
Author: james |
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Description: 分数阶傅立叶变换，chirp信号分解型实现分数阶傅立叶变换-Fractional Fourier transform, chirp signal decomposition-type realization of fractional Fourier transform
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Size: 1024 |
Author: wiky |
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Description: 线性调频信号及频谱在matlab中的应用-LFM signal and the spectrum of applications in matlab
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Size: 63488 |
Author: wangzhao |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、fir和Lattice结构；IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, including Z Transform Transform, Chirp Z Transform, FFT transform, DCT transform and Hilbert transform, etc. discrete system architecture including IIR, fir and Lattice structure IIR filter design, including analog and digital low-pass, high-
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Size: 3072 |
Author: 东 |
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Description: The frequency domain plays an important role in image
processing to smooth, enhance, and detect edges of images. Although
image data typically does not include imaginary values, the fast Fourier
transform (FFT) has been used for obtaining spectra. In this paper,
the fast Hartley transform (FHT) is used to transform two-dimensional
image data. Because the Hartley transform is real valued, it does
not require complex operations. Both spectra and autocorrelations of
two-dimensional ultrasound images of normal and abnormal livers were
computed.
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Size: 4096 |
Author: archit |
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Description: chirp信号matlab仿真，确定无误，欢迎下载-chirp，simulink
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Size: 1024 |
Author: 郑祥格 |
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Description: MATLAB coding on chirp performance
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Size: 1024 |
Author: Md.Rokibul Alam |
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Description: 数字信号变换处理技术实现 研究数字信号离散傅里叶变换数字信号离散余弦变换数字信号离散希尔伯特变换数字信号Chirp Z变换。
-Digital signal processing technology transform Discrete Fourier transform of digital signal digital signal discrete cosine transform discrete Hilbert transform digital signal digital signal Chirp Z transform.
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Size: 16384 |
Author: 李倩 |
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Description: 有两个程序一个是关于frft的源程序，一个是应用frft对线性调频信号进行检测的程序，原理是以变换阶数（不同的分数阶域）为变量对观测信号进行分数阶变换，形成信号能量在时频平面上的二维分布，在此平面上按阈值进行峰值点的二维搜索即可检测线性调频信号并估计其参数。-There are two procedures one on frft the source, one application frft linear FM signal detection process, the principle is to transform the order of (different fractional domain) as the independent variables on the observed fractional signal change, the formation of signal energy in two-dimensional time-frequency plane distribution in this plane, the peak threshold value by two-dimensional linear FM signal can be detected search and estimate its parameters.
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Size: 1024 |
Author: 王会彦 |
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Description: 第2章 信号变换 67
2.1 Z变换及MATLAB实现 67
2.1.1 Z变换的定义 68
2.1.2 Z变换的收敛域 68
2.1.3 Z逆变换 70
2.1.4 Z变换的性质 72
2.1.5 Z变换的工程应用 74
2.2 Chirp Z变换及MATLAB实现 77
2.2.1 Chirp Z变换的定义 77
2.2.2 Chirp Z变换的计算方法 79
2.2.3 Chirp Z变换的MATLAB实现 80
2.3 离散傅里叶变换及MATLAB实现 82
2.3.1 离散傅里叶变换定义 82
2.3.2 离散傅里叶变换的MATLAB实现 84
2.3.3 离散傅里叶变换性质 86
2.3.4 离散傅里叶变换的FFT算法 95
2.3.5 离散傅里叶变换FFT算法的应用 98
2.4 DCT变换及MATLAB实现 99
2.4.1 DCT变换的定义 100
2.4.2 DCT变换的MATLAB实现 101
2.5 Hilbert变换及MATLAB实现 103
2.5.1 Hilbert变换的定义 103
2.5.2 Hilbert变换的MATLAB实现 104
2.5.3 Hilbert变换的性质 105-Chapter 2, the signal transform 67
2.1 Z transform, and MATLAB to achieve 67
2.1.1 Z transform definition 68
2.1.2 Z transform domain of convergence 68
2.1.3 Z inverse transform 70
2.1.4 Z transform the nature of the 72
2.1.5 Z 74 Transform Application
2.2 Chirp Z transform, and MATLAB to achieve 77
2.2.1 Chirp Z transform definition 77
2.2.2 Chirp Z transform method 79
2.2.3 Chirp Z Transform MATLAB to achieve 80
2.3 Discrete Fourier Transform and MATLAB to achieve 82
82 2.3.1 Definition of Discrete Fourier Transform
2.3.2 MATLAB Implementation of Discrete Fourier Transform 84
2.3.3 Discrete Fourier transform 86
2.3.4 Discrete Fourier Transform FFT algorithm 95
2.3.5 Discrete Fourier Transform FFT algorithms in the 98
2.4 DCT transform, and MATLAB to achieve 99
2.4.1 DCT transform definition 100
2.4.2 DCT Transform MATLAB Implementation 101
2.5 Hilbert Transform and MATLAB Implementation 103
2.5.1 Hilbert transform definition 103
2.5.2 Hilbert Transform MATLAB Im
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Size: 7168 |
Author: Lily |
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Description: 关于数字信号处理的MATLAB例程，包括随机信号产生，线性调频Z变换，卷积-MATLAB on digital signal processing routines, including the random signal generation, chirp Z transform, convolution
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Size: 1024 |
Author: 张兆伟 |
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Description: Z-Chirp Transfor Matlab Code
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Size: 1024 |
Author: Alex Lopez |
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Description: 本文件包含三个matlab程序，包括线性调频Z变换的实现和应用。-This file contains three Matlab procedures, including the realization and application of chirp Z transform.
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Size: 2048 |
Author: 李华力 |
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Description: chirp z algorithm fft matlab simulink
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Size: 16384 |
Author: loster81 |
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Description: CZT变换的简单例子，方便新手学习，简单例子(CZT transform simple example, easy for beginners to learn)
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Size: 19456 |
Author: 郑景仁
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Description: Paper on Chirp Z-Transform Spectral Zoom Optimization with MATLAB
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Size: 126976 |
Author: Ahmed15
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Description: chirp fourier transform 线性调频Z变换(CZT) 的matlab功能函数，该方法通过CZT变换获得精确的等价于离散傅里叶变换结果的间谐波信号的频率分布估计值,可以得到精确的各次谐波和间谐波参数,利用该函数相同采样频率下该方法的检测精度更高。(This routine allows the evaluation of the DFT over an arbitrary range of frequencies as its name implies this lets you zoom into a narrow portion of the spectrum.)
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Size: 98304 |
Author: bankfly |
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