| author | Puneeth Chaganti <punchagan@fossee.in> |
| Fri, 27 May 2011 14:24:59 +0530 | |
| changeset 0 | 0efde00f9229 |
| permissions | -rw-r--r-- |
| 0 | 1 |
#!/usr/bin/python |
2 |
# 5.4 |
|
3 |
||
4 |
import scipy as sp |
|
5 |
from pylab import * |
|
6 |
||
7 |
w = arange(0, pi, 0.01) |
|
8 |
G = 1-exp(-1j*w) |
|
9 |
subplot(2,1,1) |
|
10 |
loglog(w,abs(G)) |
|
11 |
ylabel('Magnitude')
|
|
12 |
||
13 |
subplot(2,1,2) |
|
14 |
semilogx(w, 180*angle(G)/pi) |
|
15 |
xlabel('w (rad/s)')
|
|
16 |
ylabel('Phase')
|
|
17 |
||
18 |
show() |
|
19 |
#axis tight, label('',18,'w (rad/s)','Phase',18)
|