基于ICA的引潮力互相关谱分析
邢德钊,全海燕

Independent Component Extraction and Cross-correlation Spectrum Analysis of Gravity Tide Signal
Dezhao Xing,Haiyan Quan
表1 y 1 ( t ) , y 2 ( t )和 y 3 ( t )的自相关谱分析
Table 1 Autocorrelation spectrum analysis of y 1 ( t ) , y 2 ( t ) and y 3 ( t )
乘性调制频率/Hz 解调对应的潮汐谐波频率/Hz 潮汐谐波频率理论计算值/Hz

f 11 = 2.411 × 10 - 7

a 11 = 1.777 × 10 - 7

F 1 = f 11 + a 11 = 4.188 × 10 - 7 4.2004 × 10 - 7
F 2 = f 11 - a 11 = 6.34 × 10 - 8 6.3377 × 10 - 8

f 12 = 4.569 × 10 - 7

a 12 = 3.934 × 10 - 7

F 3 = f 12 + a 12 = 8.503 × 10 - 7 8.4725 × 10 - 7
F 4 = f 12 - a 12 = 6.35 × 10 - 8 6.3377 × 10 - 8

f 13 = 6.345 × 10 - 7

a 13 = 2.157 × 10 - 7

F 5 = f 13 + a 13 = 8.502 × 10 - 7 8.4725 × 10 - 7
F 6 = f 13 + a 13 = 4.188 × 10 - 7 4.2004 × 10 - 7

f 21 = 2.275 × 10 - 5

a 21 = 3.934 × 10 - 7

F 7 = f 21 + a 21 = 2.3143 × 10 - 5 2.3148 × 10 - 5
F 8 = f 21 - a 21 = 2.2357 × 10 - 5 2.2364 × 10 - 5

f 31 = 1.157 × 10 - 5

a 31 = 3.807 × 10 - 8

F 9 = f 31 + a 31 = 1.1608 × 10 - 5 1.1606 × 10 - 5
F 10 = f 31 - a 31 = 1.1532 × 10 - 5 1.1542 × 10 - 5

f 32 = 1.118 × 10 - 5

a 32 = 4.188 × 10 - 7

F 11 = f 32 + a 32 = 1.1599 × 10 - 5 1.1606 × 10 - 5
F 12 = f 32 - a 32 = 1.0761 × 10 - 5 1.0759 × 10 - 5

f 33 = 1.115 × 10 - 5

a 33 = 3.934 × 10 - 7

F 13 = f 33 + a 33 = 1.1543 × 10 - 5 1.1542 × 10 - 5
F 14 = f 33 - a 33 = 1.0757 × 10 - 5 1.0759 × 10 - 5