关于三菱PLC的模数转换的程序 欢迎大家指教

to k0 k17 h0 k1

to k0 k17 h2 k1

from k0 k0 d0 k1

2#输入通道：

to k0 k17 h1 k1

to k0 k17 h3 k1

from k0 k0 d1 k1

注：1#和2#的读取不能同时，前面要加开关切换。

close all

clear all

a=4

f0=0.02

L=50

n=1:(L-1)

x=a.*cos(2.*pi.*f0.*n)

bit=5

range=2^5

plot(x)

interval=(a*2)/(range-1)

partition = [-a:interval:a]

interval2 = (a*2)/(range)

codebook=[-a:interval2:a]

[index quantized]= quantiz(x,partition,codebook)

plot(n,x,'x',n,quantized,'.')

legend('Original signal','Quantized signal')

%index为输出5bit输出数字信号

%下面从index到output

output=(index-16)/4

figure

plot(n,x,n,output)

legend('Original signal','Output signal')