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直接卷积
- title('xn'); subplot(2,2,2) plot(yn); title('直接卷积'); subplot(2,2,3) plot(yn1); title('filter函数'); subplot(2,2,4) plot(y3); title('iir计算');
matlab绘图的函数
- matlab绘图函数详细介绍，包括绘制图的颜色、符号函数等。
untitled
- A bandpass signal is defined by clear all t=-10:0.06:10 m=3*(cos(2*pi*10*t)+4*sin(2*pi*20*t)) x=6*m.*cos(2*pi*100*t) f0=100 fmax=100 NSamples=256 Amplitude Response plot of x(t) figure(1) subplot(211) plot(t,ab
example4_7
- DSB调制和相干解调系统仿真 fm=2-figure subplot(311) plot(f,abs(yr)/N) title( 接收信号与相干载波相乘后的频谱 ) xlabel( f /Hz )
XYrotalabel
- This function was written to allow rotation of both X and Y labels without making tricky guesswork about how to rescale the image. It works on full figures and subplots, and more control over scaling can be obtained by using subplot in combination
hweofh
- 计算梯度 grad = mat2gray(grad) 将梯度矩阵转换为灰度图像 level = graythresh(grad) 计算灰度阈值 BW = im2bw(grad,level) 用阈值分割梯度图像 subplot(2,4,2) imshow(BW) 显示分割后的图像即边缘图像 -S VKJSJK
PCMcodedecode_matlab
- 产生一正态分布序列 经过pcm编码、PCM解码、计算量化信噪比、设置信道误码率 -Generating a normal sequence after pcm encoding, PCM decoding, computing quantization noise ratio, set the channel error rate x = randn (1,1000) generating a normal sequence xf = fft (x, 256) 1024 da