ofdm_4qam.mdl

使用QPSK调制的正交频分复用（OFDM）系统的Simulink仿真OFDM Implementation using QPSK Modulation。

"band"
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	  SigCon		  "[0.7071 + 0.7071i    0.7071 - 0.7071i   -0."
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      MaskIconUnits	      "autoscale"
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	  firstCoeffFracLength	  "15"
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	  outputFracLength	  "15"
	  accumMode		  "Inherit via internal rule"
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	Block {
	  BlockType		  Constant
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