空间域和频率域平面位场延拓影响因素和稳定性分析

刘芬, 王万银, 纪晓琳

Influence factors and stability analysis of plane potential field continuation in space and frequency domains

Fen LIU, Wan-Yin WANG, Xiao-Lin JI

图8 万安盆地重力异常点距对延拓结果的影响测试结果 a—频率域中向上延拓1.0 km;b—空间域中向上延拓2.0 km;c—频率域中向上延拓2.0 km;d—频率域中向下延拓1.0 km;e—空间域中向下延拓2.0 km;f—频率域向下延拓2.0 km

Fig.8 Different dot pitch influence continuation test results of Wan’an Basin’s gravity anomaly a—upward continuation distance is 1.0 km in frequency domain; b—upward continuation distance is 2.0 km in space domain; c—upward continuation distance is 2.0 km in frequency domain; d—downward continuation distance is 1.0 km in frequency domain; e—downward continuation distance is 2.0 km in space domain; f—downward continuation distance is 2.0 km in frequency domain