NUM = 256;<br />x=(0:NUM-1)*16+512;<br />y=(0:NUM-1)*32+4096;<br />xy=x+y*j;<br /><br />result=fix(fft(xy)/NUM);<br />dec2hex(abs(result));<br />这个代码为什么不对?提示<br />??? Error using ==> dec2hex<br />First argument must contain non-negative integers.<br /><br />Error in ==> fft4tb at 8<br />dec2hex(abs(result)); %使用hex显示 |
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