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双线性变换法无限长单位脉冲响应滤波器的设计，用到的模拟原型是切比雪夫和巴特沃斯低通滤波器。能够显示滤波器的幅频特性和相频特性曲线-bilinear transform infinite impulse response filter units in the design, use of simulation is a prototype and Chebyshev low-pass Butterworth filter. To demonstrate the filter frequency
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图像处理完成有关直方图修改技术、平滑、锐化、几何以及频域变换等典型算法的编制，并提供对图像示例的测试结果和分析说明，开发与理论教学相配合的计算机图像处理与分析的演示系统。-image processing to complete the histogram modification technique, smooth, sharpening, geometry and the frequency domain algorithm typical transform the establishme
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matlab中短时傅里叶变换时频分析工具箱-Matlab were short time Fourier transform time-frequency analysis toolbox
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matlab短时傅里叶变换时频分析工具箱2-Matlab short time Fourier transform time-frequency analysis Toolbox 2
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关于MATLAB的图形处理程序:图像的块操作
,图形的过滤操作,图像的频率操作,函数变换,RADON函数变换-on MATLAB graphics processing procedures : Image block operation, graphics filter operation, Image frequency operation, the transformation of the function, function transform RADON
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（1） 熟悉连续信号经理想采样前后的频谱变化关系，加深对时域采样定理的理解．
（2） 熟悉时域离散系统的时域特性
（3） 利用卷积方法观察分析系统的时域特性．
（4） 掌握序列傅立叶变换的计算机实现方法，利用序列的傅立叶变换对连续信号，离散信号及系统响应进行频域分析．
-(1) familiar with the continuous signal to the manager before and after the sampling of the spectrum chang
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对文本文档内的数据进行傅里叶变换，得到波形 -频谱图，相位图的对话框界面-For text document data within the Fourier Transform, the wave- frequency spectrum, phase diagram of the dialog box interface
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通过对话框输入信号频率，采样点等信息，实现对信号的一维fft变换-Through the dialog box input signal frequency, sampling points, such as information, the realization of signal transform one-dimensional fft
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基于labview的频域分析单边傅立叶变换实例-Labview-based frequency-domain analysis of Fourier transform instances of unilateral
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本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
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C#写的FFT变换，对信号进行时域和频域分析，大家可以-C# write FFT transform, the signal is the time domain and frequency domain analysis, everyone can see
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通信系统的仿真，使用频率采样法做的，设计傅立叶变换等功能，很强大-Simulation of communication systems, using the frequency sampling method to do the design Fourier transform functions, it is powerful
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n mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. Nowadays, wavelet transformation is one of the most popular candidates of the time-f
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时频变换工具箱,matlab版本，包含多种时频变换-Time-frequency transform toolbox, matlab version that contains a variety of frequency conversion
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You can achieve data classification and regression pattern recognition, When processing a signal frequency analysis, Combined with PCA scale invariant feature transform (SIFT) algorithm.
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