Graphics Programs Reference
In-Depth Information
MATLAB Function Ðbarker_ambig.mÑ
The MATLAB function Ðbarker_ambig.mÑ calculates and plots the ambigu-
ity function for Barker code. It is given in Listing 4.9 in Section 4.6. The syn-
tax as follows:
[ambiguity] = barker_ambig(u)
where u is a vector that defines the input code in terms of Ð1ÓsÑ and Ð-1Ós.Ñ For
example, using as an input, the function will cal-
culate and plot the ambiguity function corresponding to
u
=
[
111 1
–
–
1
11
–
]
B 7
. Fig. 4.17 shows
the output of this function when
B 13
is used as an input. Fig. 4.18 is similar to
Fig. 4.17, except in this case
B 7
is used as an input.
B 13
Barker code.
Figure 4.17a. Ambiguity function for
 
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