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dft_hp_filt
- 用于频域滤波的m函数，接受输入一幅图像和一个滤波函数，输出经滤波和剪切后的图像。还有一个高通滤波函数。-For frequency domain filtering m function, to accept the importation of an image and a filter function, the output cut by the filtering and image. There is also a high-pass filtering function.
shiyan4
- (一) 离散时间系统函数： 1、 自行设计某离散时间系统函数，至少是二阶的系统，画出零极点图，判断系统的稳定性。 2、 求出单位样值响应，并画出图形。 3、 求出系统的幅频响应和相频响应，并画出图形。 -(A) discrete-time system function: 1, to design a discrete-time system function, at least second-order system, draw the pole-zero diagram, d
segmented-function
- 分段函数，进行采样，画出采样图，幅频图，频谱图-Piecewise function, sampling draw sample Figure Figure amplitude-frequency spectrogram
1
- 绘制一幅人像或风景图像的幅频图及相频图,并由幅频图及相频图重建空间域图像.(使用fft2,ifft2,fftshift函数)-Draw a portrait or landscape image amplitude-frequency and phase-frequency diagram in Figure by the amplitude-frequency and phase-frequency diagram in Figure spatial domain image reconstr
Upingxiang
- 桨叶嵌入式液弹吸振器，是一种新型的桨叶减摆器，该函数功能是求桨叶在一阶激励频率下的幅频响应，-Liquid bomb embedded blade vibration absorber, is a new blade damper, the function function is seeking an order in the blade under the excitation frequency amplitude-frequency response,
fft
- 主要是FFT计算傅里叶变换的幅频特性函数文件(The main is the amplitude frequency characteristic function file of FFT calculation Fourier transform)
幅频特性曲线
- 求给定函数的幅频特性曲线，给定区间进行画图。(Given an analog signal, it is converted to digital signal, calculated by FFT, and the amplitude frequency characteristic curve is drawn.)