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[Other] dsphomework1 DL : 0: 数字信号处理的应用之一是从含有加性噪声的信号中去除噪声。现有被噪声污染的信号x[k]=s[k]+d[k],式中：为原始信号d[k]为均匀分布的白噪声。（1）分别产生50点的序列s[k]和白噪声序列d[k],将二者叠加生成x[k],并在同一张图上绘出x0[k],d[k]和x[k]的序列波形。（2）均值滤波可以有效去除叠加在低频信号上的噪声。已知3点滑动平均数字滤波器的单位脉冲响应为h[k]=[1,1,1 k=0,1,2],计算y[k]=x[k]*h[k],在同一张图上绘出前50点y[k],s[k]和x[k]的波形，比较序列y[k]和s[k]。 -digital signal processing applications from one containing additive noise signal denoising. Existing noise pollution was a signal x [k] = s [k] d [k], where : of the original signal d [k] uniform distribution of white noise. (1) have 50 points each sequence s [k] and white noise sequence d [k] superposition of the two generation x [k] and the same is likely to draw a map x0 [k] d [k] and x [k] waveform sequence. (2) mean filter can effectively remove superimposed on the low-frequency noise on the signal. 3:00 known moving average digital filter unit for pulse response h [k] = [k = 0,1,2 1,1,1] Calculation y [k] = x [k]* h [k], the same is likely to draw a map before 50 y [k] s [k] and x [k] waveform sequence comparison y [k] s and [k].
Date : 2026-01-02 Size : 28kb User : 魏臻
[Other] Matlab-3D-word DL : 0: 用Matlab 绘制 3D 字的函数，很好用哦-The function of Matlab to draw 3 d word, very good oh
Date : 2026-01-02 Size : 45kb User : whj
[Other] sphri DL : 0: 在matlab环境下画球，已知球心坐标，半径，根据条件画球，对三维环境有帮助，-Draw the ball under the matlab, helpful to the 3 d environment
Date : 2026-01-02 Size : 9kb User : caolijie
[Other] huatu DL : 0: 用matlab绘制图像的简单程序，能显示二维图，各坐标轴的名称及各曲线的意义均能显示(附图)。-Matlab to draw the image of simple procedures, can show 2 d figure, the name of each coordinate axis and the significance of the curve can show.
Date : 2026-01-02 Size : 21kb User : 楚彭子