46 lines
663 B
Plaintext
46 lines
663 B
Plaintext
|
1.
|
||
|
o- orzeł
|
||
|
r-reszka
|
||
|
|
||
|
k1=[rooo,oroo,ooro,ooor]
|
||
|
k2=[orrr,rorr,rror,rrro]
|
||
|
|
||
|
log2 2=1
|
||
|
|
||
|
oba komunikaty wynoszą tyle samo informacji
|
||
|
|
||
|
2.
|
||
|
|
||
|
n->2^n
|
||
|
|
||
|
p1=p2=...=p^2n=1/2^n
|
||
|
|
||
|
H= 2^n/Z(i=1)
|
||
|
|
||
|
log2 1/1/2^n = n*log2 2 = 1:n [bitów]
|
||
|
|
||
|
3.
|
||
|
|
||
|
H= 5/16 * log2 16 + 5/16 * log2 16 + 3/16 * log2 16 + 2/16 * log2 16 + 1/16 * log2 16 = 5/16 * 4 + 5/16 * 4 + 3/16 * 4 + 2/16 * 4 + 1/16 * 4 = 2,5 + 0,75 + 0,5 + 0,25 = 4
|
||
|
|
||
|
|
||
|
5/16 5/16 3/16 2/16 1/16
|
||
|
|
||
|
001\ /000
|
||
|
3/16
|
||
|
|
||
|
01\ /00
|
||
|
6/16
|
||
|
11\ /10
|
||
|
10/16
|
||
|
|
||
|
1\ /0
|
||
|
16/16
|
||
|
|
||
|
5/16 5/16 3/16 2/16 1/16
|
||
|
11 10 01 001 000
|
||
|
|
||
|
L=2*5/16*2+3/16*2+2/16*3+1/16*3=1,25+0,375+0,375+0,1875=2,1875
|
||
|
|
||
|
|
||
|
R = 1,7125
|