Geophysical (Airborne Geophysics) is a field of exploration geophysics, using aircraft to fly as measured geophysical fields on the Mainland or the exploration on the continental shelf, in order to study the lithosphere-hydrosphere. The results achieved by the geophysical work of aviation in our country in recent years has been increasingly promoted the role and effectiveness in the search engines and the forecast of useful minerals.The results achieved by the geophysical work airplanes in our country in the past have had great effect in getting involved to solve many important geological mission, especially in finding and forecasting the useful minerals. However, in reality the work plane geophysical are also reveal some limitations, which are mainly at the stage of processing and analyzing documents, research investment should be overcome, in order to improve further the efficiency of the method. In recent years the work of processing and analyzing geophysical materials of aircraft in our country has also been significant progress. Through the research, some authors have also conducted the research, analysis, testing on actual documents using a variety of different methods, including notably the statistical methods group-identity and obtained good results.The identification methods played a role of paramount importance in the handling, document analysis, especially with regard to the format of liệc has a random distribution properties as localized metrics, the gamma spectroscopy data etc. Currently in Geophysics has a lot of modern identification algorithms, automated with powerful software systems, notably the spectral analysis program-statistics by the Professor, academician Ni-Ki-Tin along the proposed partner, build. However in fact the volume of documentation as well as the number of types of information obtained on the geological object very large more. In which the number of input parameters of the programs analyze the existing identification is often restricted. The use of combinations of different information to conduct analysis that identifies when to very different results. To enhance the reliability of the identification methods of analysis has made his research towards applications of math class assessing information option to choose the combinations of high quality information before proceeding with the analysis.The method of distance-frequency-identification is one of the new document analysis method was applied and bring satisfactory results in the work of processing the geophysical materials analysis of the aircraft, a source of huge documents and downright rich but untapped thoroughly in our country today.
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