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ڌڋڋڋڋڋڋ
کڃۈڇۏڄ
ڌڋڋڋڋڋ
گۍېۀٻڱڼۇېۀ
ڌڋڋڋڋ
ڌڋڋڋ
ڌڋڋ
ڌڋ
ڌ
ڏڐڑڒړ ڏڐڑڒړڔ ڏڐڑڒړڔڌڋ ڏڐڑڒړڔڌڋڌڌ ڏڐڑڒړڔڌڋڌڌڌڍ ڏڐڑڒړڔڌڋڌڌڌڍڌڎ ڏڐڑڒړڔڌڋڌڌڌڍڌڎڌڏ ڏ ڐ ڑ ڒ ړ ڔڌڋڌڌڌڍڌڎڌڏڌڐ
ڋډڌ
m=7
8
9
10
11
12
13
14
ڋډڋڌ
ڋډڋڋڌ
Fig. 2.
Comparison of the true and estimated values of
N
(
m, t
). From left to right,
m
runs from 7 to 14, and
t
runs from 4 to
m
+ 1 in each group.
ڌډڋڋڠچڋڎ
ڌډڋڋڠچڋڍ
ڌډڋڋڠچڋڌ
ڌډڋڋڠچڋڋ
ڏ
ڐ
ڑ
ڒ
ړ
ڔ ڌڋ ڌڌ ڌڍ ڌڎ ڌڏ ڌڐ ڌڑ ڌڒ ڌړ ڌڔ ڍڋ ڍڌ
ڌډڋڋڠڈڋڌ
ڌډڋڋڠڈڋڍ
ڌډڋڋڠڈڋڎ
ڌډڋڋڠڈڋڏ
ڌډڋڋڠڈڋڐ
ڌډڋڋڠڈڋڑ
ڌډڋڋڠڈڋڒ
ڌډڋڋڠڈڋړ
ڌډڋڋڠڈڋڔ
ڌډڋڋڠڈڌڋ
کڃۈڇۈچڌڄ
کڃۈڇۈڄ
ڌډڋڋڠڈڌڌ
ڌډڋڋڠڈڌڍ
ڌډڋڋڠڈڌڎ
Fig. 3.
Estimated values of
N
(
m, m
+1)and
N
(
m, m
) for some small
m
N
(25
,
22)
25
2
φ
(25)
20
.
1and
N
(25
,
23)
25
2
φ
(25)
Note that
0
.
003. We already know that there is
no 25
×
23 modular sonar sequence from Table 1.
4Con lu on
We have checked the existence of
m
n
modular sonar sequences by computer
search for some small values of
m
, and estimated the number of inequivalent
×
