本文選題：位場(chǎng) + 解析延拓��； 參考：《地球物理學(xué)報(bào)》2016年02期

【摘要】：位場(chǎng)的向下延拓對(duì)重、磁等位場(chǎng)資料的處理與解釋具有重要意義,但現(xiàn)有的延拓方法在位場(chǎng)向下接近場(chǎng)源時(shí)會(huì)產(chǎn)生劇烈震蕩,計(jì)算過(guò)程很不穩(wěn)定,而且理論上都不能越過(guò)場(chǎng)源.本文在復(fù)數(shù)域里定義了一個(gè)具有位場(chǎng)和幾何雙重特性的新函數(shù)PFGR,提出了一套新的延拓方法,在理論上實(shí)現(xiàn)了位場(chǎng)在包含場(chǎng)源的下半空間里的解析延拓,經(jīng)過(guò)模型試算驗(yàn)證,表明該方法可以延拓越過(guò)場(chǎng)源,準(zhǔn)確確定場(chǎng)源奇點(diǎn),計(jì)算過(guò)程穩(wěn)定,對(duì)測(cè)量中的隨機(jī)噪聲也具有較好的抗干擾能力.
[Abstract]:The downward continuation of the potential field is of great significance to the processing and interpretation of the gravity and magnetic field data. However, the existing continuation methods will produce severe oscillations when the potential field approaches the field source downward, the calculation process is very unstable, and the theory cannot cross the field source. In this paper, a new function PFGRwith potential field and geometric dual properties is defined in the complex field, and a new continuation method is proposed. The analytic continuation of the potential field in the lower half space containing the field source is theoretically realized. It is shown that this method can be extended over the field source, and the singularity of the field source can be accurately determined. The calculation process is stable, and the method has good anti-interference ability to the random noise in the measurement.
【作者單位】： 中國(guó)地質(zhì)科學(xué)院地球深部探測(cè)中心;地下信息探測(cè)技術(shù)與儀器教育部重點(diǎn)實(shí)驗(yàn)室(中國(guó)地質(zhì)大學(xué) 北京);
【基金】：國(guó)家深部探測(cè)技術(shù)與實(shí)驗(yàn)研究專(zhuān)項(xiàng)(SinoProbe-08)資助
【分類(lèi)號(hào)】：P631

【共引文獻(xiàn)】

相關(guān)期刊論文 前10條

1 侯貴廷,錢(qián)祥麟,史，

本文編號(hào)：2008621