Independent Component Extraction and Cross-correlation Spectrum Analysis of Gravity Tide Signal
Dezhao Xing,Haiyan Quan

Table 3 Cross correlation spectrum analysis of y 1 ( t ), y 2 ( t ) and y 3 ( t )

$6.3377 × 10 - 8$ 1，2，5，6，7，10，11，12，13
$4.2004 × 10 - 7$ 3，8
$8.4725 × 10 - 7$ 4，9，14

$1.0759 × 10 - 5$ 14 15 5
$1.1186 × 10 - 5$ 9
$1.1511 × 10 - 5$ 8 2
$1.1542 × 10 - 5$ 7 17 4
$1.1574 × 10 - 5$ 6
$1.1606 × 10 - 5$ 7，14 16 3
$1.1637 × 10 - 5$ 6
$1.1669 × 10 - 5$ 8 1
$1.2026 × 10 - 5$ 9
$1.2453 × 10 - 5$

$2.1580 × 10 - 5$
$2.1944 × 10 - 5$ 13
$2.2000 × 10 - 5$ 12
$2.2364 × 10 - 5$ 14，17
$2.2728 × 10 - 5$ 11
$2.2784 × 10 - 5$ 10
$2.3116 × 10 - 5$
$2.3148 × 10 - 5$ 7，15，16
$2.318 × 10 - 5$
$2.3212 × 10 - 5$ 6，8，9