实验1 GPS测距CA码分析

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1、1GPSC/A(2)(1)Matlab(2)Matlab(3)MatlabGPSC/AMatlabGPSC/A(1)Matlabm(2)C/A1C/Aregister1=ones(1,10);register2=ones(1,10);check=zeros(1,10);count=0;whilesum(check)~=10count=count+1;o1=xor(register1(3),register1(10));o2=xor(register2(2),xor(register2(3),xor(register2(6),xor(register2(8),xor(register2(

2、9),register2(10))))));PRN(count,:)=xor(register1(10),xor(register2(3),register2(8)));fori=9:-1:1register1(i+1)=register1(i);register2(i+1)=register2(i);endregister1(1)=o1;register2(1)=o2;check=register2;end(3)C/A(4)C/A(1)GPSGPS(2)C/A(1)(2)(3)