Litan 디지털 신호처리 솔루션 (Digital Signal Processing Fundamentals and Applications)

Instructor’s Guide to Accompany

Digital Signal Processing: Fundamentals and Applications


Li Tan














Chapter 2

2.1
and
a.


b.


2.2

a.


b.


2.3

a.


b.

c. The aliasing frequency = 3.5 kHz

2.4

a.


b.


c. The aliasing frequencies: 0.5 kHz and 2.5 kHz.


2.5
Choose




2.6


2.7
a.
b.

2.8
When

The order of the anti-aliasing filter should be seven (7).

2.9
a.

b.


2.10
Hz, , and
Hz, , and
Maximum allowable gain variation from 0 to 4000 Hz = 2-0.58=1.42dB
40 -12.62 = 27.38 dB rejection at frequency 16000 Hz.


Then

Hz

2.11
b1b0=01

2.12
Volts


2.13
a. levels
b.
c.
d. , binary code =1010
e.

2.14
a. levels
b.
c.
d. ,

binary code =010
e.