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function [BER,Errors]=MCBPSKrun(N,EbNo,delay,FilterSwitch)
SamplesPerSymbol = 10;                                                   % samples per symbol         
NoiseSigma = sqrt(SamplesPerSymbol/(2*EbNo));   % scale noise level
ÆäÖÐEbNoÊDZÈÌØÐÅÔë±È£¬ÏßÐԳ߶ȵġ£NoiseSigmaÊǶÔÓ¦µÄÔëÉù±ê×¼²î£¬ÎÒÏëÎÊһϣ¬ÔÚÇóNoiseSigmaµÄ¹ý³ÌÖУ¬ÎªÊ²Ã´ÒªÓõ½SamplesPerSymbolÕâ¸ö²ÎÊý£¿¹«Ê½²»ÊÇ
EbNo = S/N * (W/Rb) ô£¿£¿

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