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

Table 2 Cross-correlation peaks of y 1 ( t ), y 2 ( t ) and y 3 ( t )

1 $( 5.863 × 10 - 6 , 5.799 × 10 - 6 )$ 2 $( 5.774 × 10 - 6 , 5.711 × 10 - 6 )$ 3 $( 6.015 × 10 - 6 , 5.596 × 10 - 6 )$
4 $( 6.193 × 10 - 6 , 5.343 × 10 - 6 )$ 5 $( 5.406 × 10 - 6 , 5.343 × 10 - 6 )$ 6 $( 1.164 × 10 - 5 , 1.157 × 10 - 5 )$
7 $( 1.16 × 10 - 5 , 1.154 × 10 - 5 )$ 8 $( 1.181 × 10 - 5 , 1.14 × 10 - 5 )$ 9 $( 1.203 × 10 - 5 , 1.118 × 10 - 5 )$
10 $( 1.142 × 10 - 5 , 1.136 × 10 - 5 )$ 11 $( 1.131 × 10 - 5 , 1.124 × 10 - 5 )$ 12 $( 1.11 × 10 - 5 , 1.104 × 10 - 5 )$
13 $( 1.1 × 10 - 5 , 1.094 × 10 - 5 )$ 14 $( 1.161 × 10 - 5 , 1.076 × 10 - 5 )$ 15 $( 1.695 × 10 - 5 , 6.193 × 10 - 6 )$
16 $( 1.737 × 10 - 5 , 5.774 × 10 - 6 )$ 17 $( 1.695 × 10 - 5 , 5.406 × 10 - 6 )$