Normal Random Variable - Random Signals and Processes Primer with MATLAB - page 286

Uniform random variable in [1,4] Uniform variable in [1,4]

0.4

4

0.35

3.5

0.3

3

0.25

2.5 0.2

0.15

2

0.1

1.5

0.05

1

1 0

100 200 300 400 500 600 700 800 900 1000 1 1.5 2 2.5 3 3.5 4

n range

Sum of two uniform random variables Sum of two uniform random variables

8 0.35

0.3

7

0.25

6

0.2

5

0.15

4

0.1

3

0.05

2 0

0 100 200 300 400 500

n

600 700 800 900 1000 2 3 4 5 6 7 8

range

Sum of three uniform random variables Sum of three uniform random variables

0.35

12

11
10
9
8
7
6
5
4
3

0.3

0.25

0.2

0.15

0.1

0.05

0

0 100 200 300 400 500 600 700 800 900 1000 3456789 0 1 2

n

range

Fig. 4.41 (continued)