Moving Target Indicator (MTI) and Clutter Mitigation - MATLAB Simulations for Radar Systems Design - page 301

0

-5

-10

-15

-20

-25

-30

-35

-40

0 5 10 15 20 25 30

target velocity relative to first blind speed; 63/64

0

-5

-1 0

-1 5

-2 0

-2 5

-3 0

-3 5

-4 0

0 2 4 6 8 10 12 14 16

target velocity relative to first blind speed; 33/34

Figure 7.11. MTI responses, staggering ratio 63/64. This plot can be
reproduced using MATLAB program Ðfig7_11.mÑ given
in Listing 7.5 in Section 7.11.

S o
S i

----- CA

I =

(7.32)

The ratio is the average power gain of the MTI filter, and it is equal to
. In this section, a closed form expression for the improvement factor
using a Gaussian-shaped power spectrum is developed. A Gaussian-shaped
clutter power spectrum is given by

S o ⁄ S i

H () 2