比例尺
仪器T0
拖鱼位置T1
正常场校正T2
船磁影响T3
日变校正T4
总误差 T i 2
1:100 × 104
( ≤ 2 2 ) + ( ≤ 2 2 ) + ( ≤ 1 2 ) + ( ≤ 1 2 ) + ( ≤ 2 2 ) + T 5 2 + T 6 2 = ( ≤ T i 2 )
1:50 × 104
( ≤ 1 2 ) + ( ≤ 2 2 ) + ( ≤ 1 2 ) + ( ≤ 1 2 ) + ( ≤ 2 2 ) + T 5 2 + T 6 2 = ( ≤ T i 2 )
1:20 × 104
( ≤ 1 2 ) + ( ≤ 1 2 ) + ( ≤ 0.5 2 ) + ( ≤ 1 2 ) + ( ≤ 1 2 ) + T 5 2 + T 6 2 = ( ≤ T i 2 )
1:10 × 104