clc
clear
close?all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

B=1;?%環(huán)的高度
m=1.5;%m是向量，向量的長(zhǎng)度代表環(huán)的個(gè)數(shù)
A=0.25;%?環(huán)的寬度，[-（mA+AmA）][mAmA+A]?表示環(huán)的邊界
n=1:512;
x=cos（2*pi/50*n）;??%抽樣信號(hào)
N=length（x）;
%?x=abs（x）;
%?x=x+0.1*randn（1N）;

Xmax=max（abs（x））;
%?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?%?繪制環(huán)
DT=[m*A0
???m*AB
???m*A+AB
????m*A+A0
????m*A0
????-m*A0
????-m*A-B
????-m*A-A-B
???-m*A-A0
?-m*A?0];
DTsize=size（DT）;
%?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
state=[1x（1）B3];%初始狀態(tài)

for?i=2:N
????
????state（i1）=i;
????state（i2）=x（i）;
????if?x（i）<=-m*A-A
????????state（i4）=-3;
????elseif?x（i）>-m*A-A?&?x（i）<-m*A
????????state（i4）=-2;
????elseif?x（i）>-m*A?&?x（i）<0
????????state（i4）=-1;
????elseif?