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 Platform: |
Size: 101376 |
Author:james |
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Description: FIR数字滤波器的设计，利用各种窗函数设计各种类型的数字滤波器。-FIR digital filter design, using a variety of window function design of various types of digital filters. Platform: |
Size: 5120 |
Author:gaojing |
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Description: 使用Matlab Gui实现的数字信号处理常用算法，包括卷积，FFT，FIRIIR数字滤波器设计，最佳滤波器，自适应滤波，卡尔曼滤波等-Implemented using the Matlab Gui commonly used digital signal processing algorithms, including convolution, FFT, FIRIIR digital filter design, the best filters, adaptive filtering, Kalman filtering, etc. Platform: |
Size: 363520 |
Author:张辉 |
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Description: 1）选择一个语音信号作为分析对象，或录制一段语音信号； 2）对语音信号进行采样，画出采样前后语音信号的时域波形和频谱图； 3）利用MATLAB中的随机函数产生噪声加入到语音信号中，使语音信号被污染，然后进行频谱分析； 4）设计用于处理该语音信号的数字滤波器，给出滤波器的性能指标，画出滤波器的频率响应； 5）对被噪声污染的语音信号进行滤波，画出滤波前后信号的时域波形和频谱，并对滤波前后的信号进行比较和分析； 6）回放各步骤的语音信号，给出相应处理程序及运行结果分析。-1) Select a voice signal as an analysis object, or record a voice signal 2) sampling the voice signal, draw the waveform and frequency spectrum of the time domain before and after sampling the speech signal 3) using the random function in MATLAB generated noise was added to the speech signal, the speech signal to be contaminated, and then spectrum analysis 4) for processing the speech signal, the digital filter design, given the performance of the filter to draw the filter' s frequency response 5) on the noise pollution of the speech signal is filtered, time-domain waveform and spectrum draw before and after filtering the signal before and after filtering, and the signal for comparison and analysis 6) playback of the speech signal for each step, given the results of the corresponding processing procedures and run analysis. Platform: |
Size: 2048 |
Author:张三 |
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Description: matlab GUI设计一个多功能数字信号处理器，实现信号产生，观察频响，以及滤波器设计-matlab GUI design a multi-function digital signal processor for generating a signal, the frequency response was observed, and the filter design Platform: |
Size: 3072 |
Author:郝媛媛 |
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Description: 本设计利用了数字信号处理的知识,基于MATLAB的GUI平台,实现了IIR与FIR各类滤波器的设计,能够绘制各种滤波器的幅频特性曲线,相频特性曲线,零极点图,冲激响应,阶跃响应等。-This design utilizes the knowledge of digital signal processing based on MATLAB GUI platform, the IIR and FIR filter design all kinds can draw a variety of filter frequency characteristic curve, phase-frequency characteristic curve, pole-zero figure, red shock response, step response and so on. Platform: |
Size: 27648 |
Author: |
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Description:
使用matlab进行IIR与FIR数字滤波器的设计。使用直接法和双线性变换法设计IIR数字滤波器，利用窗函数法，频率采用法设计FIR数字滤波器并进行GUI界面的设计。
-Using matlab to design IIR and FIR digital filter. Using the direct method and the bilinear transform to design IIR digital filter and using window function method, frequency sampling method to design FIR digital filter .Finally a GUI interface is designed to show the process . Platform: |
Size: 110592 |
Author:李婉灵 |
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Description: ICA（主分量分析）算法和程序，对于初学者具有参考意义，一个很有用的程序，FIR 底通和带通滤波器和IIR 底通和带通滤波器，与理论分析结果相比，基于matlab GUI界面设计,实现了对10个数字音的识别，虚拟力的无线传感网络覆盖。- ICA (Principal Component Analysis) algorithm and procedures, For beginners with a reference value, A very useful program, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Compared with the results of theoretical analysis, Based on matlab GUI interface design, To achieve the recognition of 10 digital sound, Virtual power wireless sensor network coverage. Platform: |
Size: 6144 |
Author:apnzpfpt |
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Description:
IIR滤波器设计，matlab GUI界面开发，很好的一个学习数字信号处理的工具-IIR filter design, GUI Matlab interface development, a good tool for learning digital signal processing Platform: |
Size: 6144 |
Author:文刚 |
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Description: 基于matlab的fir数字滤波器，运用filter函数，并且进行了gui界面设计-Fir matlab-based digital filters, using the filter function, and conducted a gui interface design Platform: |
Size: 5120 |
Author:bobo |
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Description: 利用matlab GUI实现的串口编程例子，可以提取一幅图中想要的目标，窗函数法设计一个数字带通FIR滤波器。- Use serial programming examples matlab GUI implementation, Target can be extracted in a picture you want, A window function design FIR digital band-pass filter. Platform: |
Size: 8192 |
Author:hei |
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Description: ICA（主分量分析）算法和程序，对于初学者具有参考意义，一个很有用的程序，FIR 底通和带通滤波器和IIR 底通和带通滤波器，与理论分析结果相比，基于matlab GUI界面设计,实现了对10个数字音的识别，虚拟力的无线传感网络覆盖。
- ICA (Principal Component Analysis) algorithm and procedures, For beginners with a reference value, A very useful program, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Compared with the results of theoretical analysis, Based on matlab GUI interface design, To achieve the recognition of 10 digital sound, Virtual power wireless sensor network coverage.
Platform: |
Size: 6144 |
Author:王帆 |
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Description: 窗函数法设计一个数字带通FIR滤波器，利用matlab GUI实现的串口编程例子，一个计算声子晶体结构的一维传递矩阵法。- A window function design FIR digital band-pass filter, Use serial programming examples matlab GUI implementation, A one-dimensional transfer matrix method to calculate the phonon crystal structure. Platform: |
Size: 7168 |
Author:jeitaofou |
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Description: 基于MATLAB GUI 设计的数字信号处理系统，可以实现基本的信号生成，信号分析和信号滤波以及简单的语音信号处理等功能。其中信号生成模块可实现正弦波、方波、三角波、高斯白噪声、chrip信号的生成和叠加；信号分析模块支持基本的傅氏变换下的频域分析功能；信号滤波模块可以实现数字低通、高通、带通、带阻下的切比雪夫、巴特沃思、椭圆滤波器的设计和滤波处理；语音信号处理模块可以实现音频文件的读取、播放、叠加噪声、滤波等功能。(Based on MATLAB GUI design of digital signal processing system, you can achieve the basic signal generation, signal analysis and signal filtering, and simple voice signal processing and other functions. The signal generating module can realize the sine wave, triangle wave, Fang Bo, Gauss, chrip generation and superposition of white noise signal; signal analysis module supports the analysis function of frequency domain Fourier transform basic conditions; signal filtering module can realize digital low-pass, high pass, band pass, band stop, Butterworth, the Chebyshev elliptic filter design filtering and processing of speech signal processing; module can realize audio files to read, play, adding noise, filtering and other functions.) Platform: |
Size: 324608 |
Author:庭有枇杷树
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