Graphics Programs Reference
In-Depth Information
frequency
123
f r
time
frequency
LO
T rec
coherent
detection
& A/D
sidelobe
mixer
LPF
FFT
weighting
τ
=
f r
–
f 0
f 1
frequency
frequency
f 2
=
f r
–
f 0
+
µ∆ t
f 3
f 2
return 3
return 2
f 0
f 1
return 1
f 3
=
f r
–
f 0
+
2µ∆ t
time
time
T rec
t
T rec
=
receive window
Figure 5.10a. Stretch processing block diagram.
 
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