Electronic Countermeasures (ECM) - MATLAB Simulations for Radar Systems Design - page 474

where

Symbol Description Units Status

pt radar peak power W input

g radar antenna gain dB input

sigma target cross section input

m 2

freq radar operating frequency Hz input

tau radar pulsewidth seconds input

T0 effective noise temperature Kelvin input

loss radar losses dB input

pj jammer peak power W input

bj jammer bandwidth Hz input

gj jammer antenna gain dB input

lossj jammer losses dB input

sir0 desired SIR dB input

ERP desired ERP. can be a vector Wa t t s input

Range burn-through range Km output

Fig. 10.3 shows some typical outputs generated by this function when the
inputs are as follows:

Input Parameter Va l u e

pt 50KW

g 35 dB

sigma 10 square meters

freq 5.6 GHz

tau 0.5 milli-seconds

T0 290

loss 5 dB

pj 200 Watts

bj 500 MHz

gj 10 dB

lossj 0.3 dB

sir0 15dB

ERP linspace(1, 1000, 1000) W