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sunyuanxin

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3Â¥2012-11-08 22:16:54
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3Â¥: Originally posted by sunyuanxin at 2012-11-08 22:16:54
µ«ÊÇÊ÷ÉϽ²µÄÏßÐÔϵͳµÄÐÔÖÊÊÇÊäÈëx3(t)=ax1(t)+bx2(t)£¬ÊäÈë¾ÍÊÇy3(t)=ay1(t)+by2(t)¡£Õâ²ÅÊÇϵͳµÄlinearÐÔÖʰ¡¡£...

Äã˵µÄÕâ¸öÊÇÏßÐÔϵͳµÄ¶¨Ò壬ÎÒ˵µÄÁãÊäÈëÁãÊä³öÊDZØÒªÌõ¼þ¡£Ò²¼´ÓÉÄã˵µÄÕâ¸ö¶¨ÒåÒ»¶¨¿ÉÒÔÍÆ³öÁãÊäÈëÁãÊä³ö¡£ÁãÊäÈëÁãÊä³öÊÇÏßÐÔϵͳ×îÆðÂëµÄÌõ¼þ£¬²»Âú×ã¸ÃÌõ¼þµÄ¶¼²»ÓÃÈ¥ÑéÖ¤ÆäËûÁË£¬Ö±½Ó·ÇÏßÐÔϵͳ¡£µ±È»ÄãÒ²¿ÉÒÔÓÃÁ½¸öÊäÈëÐźÅÊÔÊÔÄã¸ø³öµÄϵͳ£¬Í¬Ñù¿ÉÒԵóöΪ·ÇÏßÐÔϵͳ¡£  
e.g.  y1(n) =T{x1(n)} = x1(n) + 3 ;
y2(n) = T{x2(n)} = x2(n) + 3;
Ôò y(n) = T{ x1(n) + x2(n) } = x1(n) + x2(n) + 3
µ«ÊÇ y1(n) + y2(n) = x1(n) + x2(n) + 6

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

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5Â¥2012-11-10 09:21:33
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6Â¥2012-11-30 20:05:57
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sunyuanxin

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sunyuanxin

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