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FIGURE 6.8 Performance difference between coherent and envelope detectors
for the complex Gaussian example: (a) difference in P for χ = 10 dB, (b)
D
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difference in P for P = 10 .
D
FA
Figure 6.8b plots the detection performance as a function of χ with P FA
fixed (at 10 in this example). This figure shows that, to achieve the same
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