frame3pcm.m

该代码实现了am

if  (XX30(1,1)>=0) & (XX30(1,1)<=5000)      
                                     audio(1,166)=0;                          % 1
                                     audio(1,167)=0;
                                     audio(1,168)=0;
                                     
                      elseif    (XX30(1,1)>=5001) & (XX30(1,1)<=10000)  
                                     audio(1,166)=1;                          % 2
                                     audio(1,167)=0;
                                     audio(1,168)=0;
                                     
                       elseif     (XX30(1,1)>=10001) & (XX30(1,1)<=15000) 
                                     audio(1,166)=0;                          % 3
                                     audio(1,167)=1;
                                     audio(1,168)=0;
                                     
                      elseif    (XX30(1,1)>=15001) & (XX30(1,1)<=20000)
                                     audio(1,166)=1;                          % 4
                                     audio(1,167)=1;
                                     audio(1,168)=0;
                                     
                      elseif    (XX30(1,1)>=20001) & (XX30(1,1)<=25000)
                                     audio(1,166)=0;                          % 5
                                     audio(1,167)=0;
                                     audio(1,168)=1;
                                     
                     elseif   (XX30(1,1)>=25001) & (XX30(1,1)<=30000)    
                                     audio(1,166)=1;                          % 6
                                     audio(1,167)=0;
                                     audio(1,168)=1;
                                     
                    elseif      (XX30(1,1)>=30000) & (XX30(1,1)<=35000)   
                                     audio(1,166)=0;                          % 7
                                     audio(1,167)=1;
                                     audio(1,168)=1;
                                     
                      elseif    (XX30(1,1)>=35000) & (XX30(1,1)<=40000)   
                                     audio(1,166)=1;                          % 8
                                     audio(1,167)=1;
                                     audio(1,168)=1;
                      
                         end                                               %  166到168 bits 第三帧脉冲1
                         
                         
                           if  (XX30(1,2)>=0) & (XX30(1,2)<=5000)      
                                     audio(1,169)=0;                          % 1
                                     audio(1,170)=0;
                                     audio(1,171)=0;
                                     
                      elseif    (XX30(1,2)>=5001) & (XX30(1,2)<=10000)  
                                     audio(1,169)=1;                          % 2
                                     audio(1,170)=0;
                                     audio(1,171)=0;
                                     
                       elseif     (XX30(1,2)>=10001) & (XX30(1,2)<=15000) 
                                     audio(1,169)=0;                          % 3
                                     audio(1,170)=1;
                                     audio(1,171)=0;
                                     
                      elseif    (XX30(1,2)>=15001) & (XX30(1,2)<=20000)
                                     audio(1,169)=1;                          % 4
                                     audio(1,170)=1;
                                     audio(1,171)=0;
                                     
                      elseif    (XX30(1,1)>=20001) & (XX30(1,1)<=25000)
                                     audio(1,169)=0;                          % 5
                                     audio(1,170)=0;
                                     audio(1,171)=1;
                                     
                     elseif   (XX30(1,2)>=25001) & (XX30(1,2)<=30000)    
                                     audio(1,169)=1;                          % 6
                                     audio(1,170)=0;
                                     audio(1,171)=1;
                                     
                    elseif      (XX30(1,2)>=30000) & (XX30(1,2)<=35000)   
                                     audio(1,169)=0;                          % 7
                                     audio(1,170)=1;
                                     audio(1,171)=1;
                                     
                      elseif    (XX30(1,2)>=35000) & (XX30(1,2)<=40000)   
                                     audio(1,169)=1;                          % 8
                                     audio(1,170)=1;
                                     audio(1,171)=1;
                      
                         end                                               %  113到115 bits 第三帧脉冲2
                         
                         
                           if  (XX30(1,3)>=0) & (XX30(1,3)<=5000)      
                                     audio(1,172)=0;                          % 1
                                     audio(1,173)=0;
                                     audio(1,174)=0;
                                     
                      elseif    (XX30(1,3)>=5001) & (XX30(1,3)<=10000)  
                                     audio(1,172)=1;                          % 2
                                     audio(1,173)=0;
                                     audio(1,174)=0;
                                     
                       elseif     (XX30(1,3)>=10001) & (XX30(1,3)<=15000) 
                                     audio(1,172)=0;                          % 3
                                     audio(1,173)=1;
                                     audio(1,174)=0;
                                     
                      elseif    (XX30(1,3)>=15001) & (XX30(1,3)<=20000)
                                     audio(1,172)=1;                          % 4
                                     audio(1,173)=1;
                                     audio(1,174)=0;
                                     
                      elseif    (XX30(1,3)>=20001) & (XX30(1,3)<=25000)
                                     audio(1,172)=0;                          % 5
                                     audio(1,173)=0;
                                     audio(1,174)=1;
                                     
                     elseif   (XX30(1,3)>=25001) & (XX30(1,3)<=30000)    
                                     audio(1,172)=1;                          % 6
                                     audio(1,173)=0;
                                     audio(1,174)=1;
                                     
                    elseif      (XX30(1,3)>=30000) & (XX30(1,3)<=35000)   
                                     audio(1,172)=0;                          % 7
                                     audio(1,173)=1;
                                     audio(1,174)=1;
                                     
                      elseif    (XX30(1,3)>=35000) & (XX30(1,3)<=40000)   
                                     audio(1,172)=1;                          % 8
                                     audio(1,173)=1;
                                     audio(1,174)=1;
                      
                         end                                               %  116到118 bits 第三帧脉冲3
                         
                         
                          if  (XX30(1,4)>=0) & (XX30(1,4)<=5000)      
                                     audio(1,175)=0;                          % 1
                                     audio(1,176)=0;
                                     audio(1,177)=0;
                                     
                      elseif    (XX30(1,4)>=5001) & (XX30(1,4)<=10000)  
                                     audio(1,175)=1;                          % 2
                                     audio(1,176)=0;
                                     audio(1,177)=0;
                                     
                       elseif     (XX30(1,4)>=10001) & (XX30(1,4)<=15000) 
                                     audio(1,175)=0;                          % 3
                                     audio(1,176)=1;
                                     audio(1,177)=0;
                                     
                      elseif    (XX30(1,4)>=15001) & (XX30(1,4)<=20000)
                                     audio(1,175)=1;                          % 4
                                     audio(1,176)=1;
                                     audio(1,177)=0;
                                     
                      elseif    (XX30(1,4)>=20001) & (XX30(1,4)<=25000)
                                     audio(1,175)=0;                          % 5
                                     audio(1,176)=0;
                                     audio(1,177)=1;
                                     
                     elseif   (XX30(1,4)>=25001) & (XX30(1,4)<=30000)    
                                     audio(1,175)=1;                          % 6
                                     audio(1,176)=0;
                                     audio(1,177)=1;
                                     
                    elseif      (XX30(1,4)>=30000) & (XX30(1,4)<=35000)   
                                     audio(1,175)=0;                          % 7
                                     audio(1,176)=1;
                                     audio(1,177)=1;
                                     
                      elseif    (XX30(1,4)>=35000) & (XX30(1,4)<=40000)   
                                     audio(1,175)=1;                          % 8
                                     audio(1,176)=1;
                                     audio(1,177)=1;
                      
                         end                                               %  119到121 bits 第三帧脉冲4
                          
                         
                          if  (XX30(1,5)>=0) & (XX30(1,5)<=5000)      
                                     audio(1,178)=0;                          % 1
                                     audio(1,179)=0;
                                     audio(1,180)=0;
                                     
                      elseif    (XX30(1,5)>=5001) & (XX30(1,5)<=10000)  
                                     audio(1,178)=1;                          % 2
                                     audio(1,179)=0;
                                     audio(1,180)=0;
                                     
                       elseif     (XX30(1,5)>=10001) & (XX30(1,5)<=15000) 
                                     audio(1,178)=0;                          % 3
                                     audio(1,179)=1;
                                     audio(1,180)=0;
                                     
                      elseif    (XX30(1,5)>=15001) & (XX30(1,5)<=20000)
                                     audio(1,178)=1;                          % 4
                                     audio(1,179)=1;
                                     audio(1,180)=0;
                                     
                      elseif    (XX30(1,5)>=20001) & (XX30(1,5)<=25000)
                                     audio(1,178)=0;                          % 5
                                     audio(1,179)=0;
                                     audio(1,180)=1;
                                     
                     elseif   (XX30(1,5)>=25001) & (XX30(1,5)<=30000)    
                                     audio(1,178)=1;                          % 6
                                     audio(1,179)=0;
                                     audio(1,180)=1;
                                     
                    elseif      (XX30(1,5)>=30000) & (XX30(1,5)<=35000)   
                                     audio(1,178)=0;                          % 7
                                     audio(1,179)=1;
                                     audio(1,180)=1;
                                     
                      elseif    (XX30(1,5)>=35000) & (XX30(1,5)<=40000)   
                                     audio(1,178)=1;                          % 8
                                     audio(1,179)=1;
                                     audio(1,180)=1;
                      
                         end                                               %  122到124 bits 第三帧脉冲5
                         
                         
                         if  (XX30(1,6)>=0) & (XX30(1,6)<=5000)      
                                     audio(1,181)=0;                          % 1
                                     audio(1,182)=0;
                                     audio(1,183)=0;
                                     
                      elseif    (XX30(1,6)>=5001) & (XX30(1,6)<=10000)  
                                     audio(1,181)=1;                          % 2
                                     audio(1,182)=0;
                                     audio(1,183)=0;
                                     
                       elseif     (XX30(1,6)>=10001) & (XX30(1,6)<=15000)