Elementary Probability Theory - Digital Communication: Principles and System Modelling - page 215

x 10 -3

7

6

5

4

3

2

1

0

0 5 10 15 20 25 30

35 40 45 500

x-->

Fig. A.9 1-D Gaussian distribution

x 10 -3

7

6

5

4

3

2

1

5 0

40

50

30

40

30

20

20

10

10

0 0

y-->

x-->

Fig. A.10 2-D Gaussian distribution