ººÃ÷ÂëµÄÐÔÄÜ·ÖÎö ÏÂÔØ±¾ÎÄ

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ͼ3-4 Error Rate Calculation

ͼ3-5 To Workplace

13

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ͼ3-6 Spectrum Scope

3.1.3 MÎļþ³ÌÐò

x=0:30 %¶¨ÒåÐÅÔë±ÈµÄ·¶Î§ y=x;

for i=1:length(x)

xSNR=x(i); %ÊäÈëÐÅÔë±È

sim('hammingmat'); %ÔËÐÐSimulink·ÂտģÐÍ¡¯hammingmat ¡¯£¬ÔËËã½á¹û±£´æÔÚxerrorrateÖÐ

y(i)=xerrorrate(1); %ÎóÂëÂÊ end

semilogy(x,y); %¶ÔyÈ¡¶ÔÊý»­Í¼ grid on; %»­Íø¸ñͼ xlabel('¸ß˹ÐŵÀÖеÄÐÅÔë±È/dB'); ylabel('ÎóÂëÂÊ');

title('ººÃ÷ÂëÎóÂëÂÊÓëÐÅÔë±ÈµÄ¹ØÏµ')

14

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3.1.4·ÂÕæ½á¹û

ͼ3-7 Bernoulli Binary GeneratorÊä³öÐźŲ¨ÐÎ

ͼ3-8 Bernoulli Binary GeneratorÊä³öÐÅºÅÆµÆ×

15

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ͼ3-9 Hamming EncoderÊä³öÐźÅ

ͼ3-10 Hamming EncoderÊä³öÐÅºÅÆµÆ×

16