Description: 考虑幅值谱与相位谱的人造地震动模拟与反应谱拟合
我国对《建筑结构抗震规范》进行了修订，将设计反应谱周期由原来的3秒延长到现在的6秒。反应谱周期的延长。
本程序以新规范反应谱作为目标谱，采用三角级数迭加来模拟地震动加速度。-consider amplitude spectrum and phase spectrum of the artificial seismic simulation and pattern fitting response to China's "structural seismic code" the amendment to the design spectrum cycle from three seconds to extend the current six seconds. Response spectrum cycle extension. The new procedures to regulate spectrum as the target spectrum, the use of triangular series superposition to simulate vibration. Platform: |
Size: 1818 |
Author:wz |
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Description: 对输入的一有理Z变换表达式（输入分子和分母系数序列），分别画出：
（1）零极点图
（2）z在单位圆上时z变换所对应的DTFT的幅度谱和相位谱
（3）逆z变换所得序列，在各种不同的收敛域下（包括了右边序列，左边序列和双边序列的情况）
-the importation of a rational expression Z-transform (input coefficient of the numerator and the denominator sequence), respectively paint : (1) The pole-zero plan (2) z in the unit circle at z transform the X corresponding to the amplitude spectrum and phase spectrum (3) Inverse z transform sequences derived from the convergence of various jurisdictions (including the right sequence, the sequence of the left and bilateral series) Platform: |
Size: 11810 |
Author:沈宏伟 |
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Description: 有关信号波形、幅值谱、相位谱，互相关函数的算法、波形-the signal waveform amplitude spectrum and phase spectrum, cross-correlation function of the algorithm, waveform Platform: |
Size: 842 |
Author:l李淑智 |
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Description: 考虑幅值谱与相位谱的人造地震动模拟与反应谱拟合
我国对《建筑结构抗震规范》进行了修订，将设计反应谱周期由原来的3秒延长到现在的6秒。反应谱周期的延长。
本程序以新规范反应谱作为目标谱，采用三角级数迭加来模拟地震动加速度。-consider amplitude spectrum and phase spectrum of the artificial seismic simulation and pattern fitting response to China's "structural seismic code" the amendment to the design spectrum cycle from three seconds to extend the current six seconds. Response spectrum cycle extension. The new procedures to regulate spectrum as the target spectrum, the use of triangular series superposition to simulate vibration. Platform: |
Size: 2048 |
Author:wz |
Hits:
Description: 对输入的一有理Z变换表达式（输入分子和分母系数序列），分别画出：
（1）零极点图
（2）z在单位圆上时z变换所对应的DTFT的幅度谱和相位谱
（3）逆z变换所得序列，在各种不同的收敛域下（包括了右边序列，左边序列和双边序列的情况）
-the importation of a rational expression Z-transform (input coefficient of the numerator and the denominator sequence), respectively paint : (1) The pole-zero plan (2) z in the unit circle at z transform the X corresponding to the amplitude spectrum and phase spectrum (3) Inverse z transform sequences derived from the convergence of various jurisdictions (including the right sequence, the sequence of the left and bilateral series) Platform: |
Size: 11264 |
Author:沈宏伟 |
Hits:
Description: 有关信号波形、幅值谱、相位谱，互相关函数的算法、波形-the signal waveform amplitude spectrum and phase spectrum, cross-correlation function of the algorithm, waveform Platform: |
Size: 1024 |
Author: |
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Description: 编写一个程序计算并显示一幅二维图象的Fourier变换（幅度和相位谱）及其逆变换，要求用FFT实现-procedures for the preparation of a calculation and display a two-dimensional image of the Fourier transform (amplitude and phase spectrum) and its inverse transform, called for using the FFT Platform: |
Size: 746496 |
Author:祖超 |
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Description: 实验内容：
1．求下列3个模板的频率响应，并显示其三维图形；选择一幅图
像，利用这3个模板分别对该图像进行卷积运算，将卷积运算
获得的图像与原始图像进行比较，说明各模板的类型以及模板
（b）、（c）的区别与联系。
2. 选择一幅图像，对其进行离散Fourier变换，仅利用其相位谱重构原图像，然后仅利用其振幅谱重构原图像，比较实验结果；
选择两幅不同类型的图像，分别进行Fourier变换，交换二者的相位谱后求Fourier反变换，比较实验结果，说明图像Fourier相位谱的重要性。-Experimental contents: 1. Template for the following three frequency response and to show its three-dimensional graphics select an image using the three templates, respectively, of the image convolution operation, the convolution operation to obtain the images were compared with the original image to illustrate the template the type of template (b), (c) the difference with the contact. 2. Select an image, its discrete Fourier transform, only to use its phase spectrum remodeling the original image, and then only the use of its amplitude spectrum reconstruction of the original image to compare experimental results choice of two different types of images, respectively Fourier Transform, the exchange between the two after the phase spectrum for Fourier Transform, compare experimental results to illustrate the image of the importance of Fourier phase spectrum. Platform: |
Size: 1024 |
Author:syq |
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Description: 题目：离散富立叶变换（DFT）和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换（DFT）和IDFT图像。3计算振幅谱，相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin (2πft) 2 programming computing discrete Fourier transform (DFT) and IDFT image. 3 Calculation of the amplitude spectrum, phase spectrum, as well as detection of signal frequency Platform: |
Size: 100352 |
Author:chissie |
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Description: 这个程序是幅值谱中校正频谱峰值的比值校正法，可以自设定校正谱峰值的个数，比值校正法还可以校正相位，校正的结果很准确-This procedure is correction of the amplitude spectrum of the ratio of the peak spectrum correction method, correction can be set from the number of spectral peaks, the ratio correction method can also be correction phase, the results of very accurate correction Platform: |
Size: 1024 |
Author:李远 |
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Description: 对图像进行傅里叶变换，观察其幅度谱和相位谱-Fourier transform of the image to observe its amplitude spectrum and phase spectrum Platform: |
Size: 2048 |
Author:huihui |
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Description: 给出正弦加噪函数，通过FFT,DTFT,做频谱变化，幅度谱和相位谱。-Sine plus noise function is given by FFT, DTFT, make changes in the spectrum, amplitude spectrum and phase spectrum. Platform: |
Size: 5120 |
Author:仝 |
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Description: 信号处理中的振幅谱和相位谱以及谱密度估计等-1) Calculation of:
- One-sided amplitude spectrum
- One-sided phase spectrum
- Vector of frequencies.
2) The function can plot:
- One-sided amplitude spectrum
- One-sided phase spectrum.
Two examples are given in order to clarify the usage of the function. The input and output arguments are given in the beginning of the code.
The code is based on the theory described in:
[1] N. Majumdar, S. Banerjee. MATLAB Graphics and Data Visualization, Birmingham, Packt Publishing, 2012.
[2] D. Manolakis, V. Ingle. Applied Digital Signal Processing. Cambridge, Cambridge University Press, 2011.
[3] G. Heinzel, A. Rudiger, R. Schilling. Spectrum and spectral density estimation by the Discrete Fourier transform (DFT), including a comprehensive list of window functions and some new flat-top windows. Germany, Hannover, Max-Planck-Institut für Gravitationsphysik, 2002. Platform: |
Size: 2048 |
Author:小圆 |
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Description: 用于测量信号的振幅谱与功率谱，对初学LABVIEW做信号分析会有帮助。-Used to measure the signal amplitude spectrum and the power spectrum, signal analysis for beginners LABVIEW do help. Platform: |
Size: 116736 |
Author:xieshengdong |
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Description: 矩形波函数，计算其频谱，幅度谱和相位谱，与理论值比较。-Rectangular wave function, the calculation of its spectrum, amplitude spectrum and phase spectrum, compared with the theoretical value. Platform: |
Size: 1024 |
Author:hanfeizi |
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Description: 求取地震资料二维剖面振幅谱，并对振幅谱进行了归一化和平滑。(The amplitude spectrum of two dimensional seismic data is obtained, and the amplitude spectrum is normalized and smoothed.) Platform: |
Size: 1024 |
Author:地球物理学
|
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