frame2pcm.m

该代码实现了am

                                     audio(1,136)=1;
                                     
                    elseif      (XX20(1,9)>=30000) & (XX20(1,9)<=35000)   
                                     audio(1,134)=0;                          % 7
                                     audio(1,135)=1;
                                     audio(1,136)=1;
                                     
                      elseif    (XX20(1,9)>=35000) & (XX20(1,9)<=40000)   
                                     audio(1,134)=1;                          % 8
                                     audio(1,135)=1;
                                     audio(1,136)=1;
                      
                         end                                               %  134到136 bits 第二帧脉冲9
                         
                           if  (XX20(1,10)>=0) & (XX20(1,10)<=5000)      
                                     audio(1,137)=0;                          % 1
                                     audio(1,138)=0;
                                     audio(1,139)=0;
                                     
                      elseif    (XX20(1,10)>=5001) & (XX20(1,10)<=10000)  
                                     audio(1,137)=1;                          % 2
                                     audio(1,138)=0;
                                     audio(1,139)=0;
                                     
                       elseif     (XX20(1,10)>=10001) & (XX20(1,10)<=15000) 
                                     audio(1,137)=0;                          % 3
                                     audio(1,138)=1;
                                     audio(1,139)=0;
                                     
                      elseif    (XX20(1,10)>=15001) & (XX20(1,10)<=20000)
                                     audio(1,137)=1;                          % 4
                                     audio(1,138)=1;
                                     audio(1,139)=0;
                                     
                      elseif    (XX20(1,10)>=20001) & (XX20(1,10)<=25000)
                                     audio(1,137)=0;                          % 5
                                     audio(1,138)=0;
                                     audio(1,139)=1;
                                     
                     elseif   (XX20(1,10)>=25001) & (XX20(1,10)<=30000)    
                                     audio(1,137)=1;                          % 6
                                     audio(1,138)=0;
                                     audio(1,139)=1;
                                     
                    elseif      (XX20(1,10)>=30000) & (XX20(1,10)<=35000)   
                                     audio(1,137)=0;                          % 7
                                     audio(1,138)=1;
                                     audio(1,139)=1;
                                     
                      elseif    (XX20(1,10)>=35000) & (XX20(1,10)<=40000)   
                                     audio(1,137)=1;                          % 8
                                     audio(1,138)=1;
                                     audio(1,139)=1;
                      
                         end                                               %  137到139 bits 第二帧脉冲10
                         
                           if  (XX20(1,11)>=0) & (XX20(1,11)<=5000)      
                                     audio(1,140)=0;                          % 1
                                     audio(1,141)=0;
                                     audio(1,142)=0;
                                     
                      elseif    (XX20(1,11)>=5001) & (XX20(1,11)<=10000)  
                                     audio(1,140)=1;                          % 2
                                     audio(1,141)=0;
                                     audio(1,142)=0;
                                     
                       elseif     (XX20(1,11)>=10001) & (XX20(1,11)<=15000) 
                                     audio(1,140)=0;                          % 3
                                     audio(1,141)=1;
                                     audio(1,142)=0;
                                     
                      elseif    (XX20(1,11)>=15001) & (XX20(1,11)<=20000)
                                     audio(1,140)=1;                          % 4
                                     audio(1,141)=1;
                                     audio(1,142)=0;
                                     
                      elseif    (XX20(1,11)>=20001) & (XX20(1,11)<=25000)
                                     audio(1,140)=0;                          % 5
                                     audio(1,141)=0;
                                     audio(1,142)=1;
                                     
                     elseif   (XX20(1,11)>=25001) & (XX20(1,11)<=30000)    
                                     audio(1,140)=1;                          % 6
                                     audio(1,141)=0;
                                     audio(1,142)=1;
                                     
                    elseif      (XX20(1,11)>=30000) & (XX20(1,11)<=35000)   
                                     audio(1,140)=0;                          % 7
                                     audio(1,141)=1;
                                     audio(1,142)=1;
                                     
                      elseif    (XX20(1,11)>=35000) & (XX20(1,11)<=40000)   
                                     audio(1,140)=1;                          % 8
                                     audio(1,141)=1;
                                     audio(1,142)=1;
                      
                         end                                               %  140到142 bits 第二帧脉冲11
                         
                         
                          if  (XX20(1,12)>=0) & (XX20(1,12)<=5000)      
                                     audio(1,143)=0;                          % 1
                                     audio(1,144)=0;
                                     audio(1,145)=0;
                                     
                      elseif    (XX20(1,12)>=5001) & (XX20(1,12)<=10000)  
                                     audio(1,143)=1;                          % 2
                                     audio(1,144)=0;
                                     audio(1,145)=0;
                                     
                       elseif     (XX20(1,12)>=10001) & (XX20(1,12)<=15000) 
                                     audio(1,143)=0;                          % 3
                                     audio(1,144)=1;
                                     audio(1,145)=0;
                                     
                      elseif    (XX20(1,12)>=15001) & (XX20(1,12)<=20000)
                                     audio(1,143)=1;                          % 4
                                     audio(1,144)=1;
                                     audio(1,145)=0;
                                     
                      elseif    (XX20(1,12)>=20001) & (XX20(1,12)<=25000)
                                     audio(1,143)=0;                          % 5
                                     audio(1,144)=0;
                                     audio(1,145)=1;
                                     
                     elseif   (XX20(1,12)>=25001) & (XX20(1,12)<=30000)    
                                     audio(1,143)=1;                          % 6
                                     audio(1,144)=0;
                                     audio(1,145)=1;
                                     
                    elseif      (XX20(1,12)>=30000) & (XX20(1,12)<=35000)   
                                     audio(1,143)=0;                          % 7
                                     audio(1,144)=1;
                                     audio(1,145)=1;
                                     
                      elseif    (XX20(1,12)>=35000) & (XX20(1,12)<=40000)   
                                     audio(1,143)=1;                          % 8
                                     audio(1,144)=1;
                                     audio(1,145)=1;
                      
                         end                                               %  143到145 bits 第二帧脉冲12
                         
                          if  (XX20(1,13)>=0) & (XX20(1,13)<=5000)      
                                     audio(1,146)=0;                          % 1
                                     audio(1,147)=0;
                                     audio(1,148)=0;
                                     
                      elseif    (XX20(1,13)>=5001) & (XX20(1,13)<=10000)  
                                     audio(1,146)=1;                          % 2
                                     audio(1,147)=0;
                                     audio(1,148)=0;
                                     
                       elseif     (XX20(1,13)>=10001) & (XX20(1,13)<=15000) 
                                     audio(1,146)=0;                          % 3
                                     audio(1,147)=1;
                                     audio(1,148)=0;
                                     
                      elseif    (XX20(1,13)>=15001) & (XX20(1,13)<=20000)
                                     audio(1,146)=1;                          % 4
                                     audio(1,147)=1;
                                     audio(1,148)=0;
                                     
                      elseif    (XX20(1,13)>=20001) & (XX20(1,13)<=25000)
                                     audio(1,146)=0;                          % 5
                                     audio(1,147)=0;
                                     audio(1,148)=1;
                                     
                     elseif   (XX20(1,13)>=25001) & (XX20(1,13)<=30000)    
                                     audio(1,146)=1;                          % 6
                                     audio(1,147)=0;
                                     audio(1,148)=1;
                                     
                    elseif      (XX20(1,13)>=30000) & (XX20(1,13)<=35000)   
                                     audio(1,146)=0;                          % 7
                                     audio(1,147)=1;
                                     audio(1,148)=1;
                                     
                      elseif    (XX20(1,13)>=35000) & (XX20(1,13)<=40000)   
                                     audio(1,146)=1;                          % 8
                                     audio(1,147)=1;
                                     audio(1,148)=1;
                      
                         end                                               %  146到148 bits 第二帧脉冲13