Portable X-ray Fluorescence Deconvolution Technology Research And Implementation

Today X radiation sampling technique is a important technique in the analysis, especially the in-situ X radiation sampling technique. It is used very quickly and simply, but it can get high precision. Now it is usually used in geography, inspection and on-line control. X-ray spectrum analysis is the mathematic way used to advance the precision and to get the more information from the X-ray spectrum. X-ray spectrum analysis supplies a gasp of the energy resolving power. It is very unusually used on in-situ X-ray instrument, because of limit of hardware and processor.This article uses new Personal Digital Assistant (PDA) on the X-ray instrument so the X-ray instrument can use the X-ray spectrum analysis. On this base this article studies the X-ray spectrum analysis and have got new method of X-ray spectrum analysis—Fourierism-Gauss spectrum analysis. It is very good that the digital signal processing is used to get the base. This article adjusts the Gauss Regression in order to make it more efficaciously when it is running on in-situ X-ray instrument. The Fourierism-Gauss spectrum analysis links the base deduction to the Gauss Regression, so this method is very quick and simple. The relative error is 3%, and the average deviation is 0.98%.The implement of Fourierism-Gauss spectrum analysis on PDA is the embedded programmer. In the programmer, this article studies the Window CE operate system. The Fourierism-Gauss spectrum analysis soft ware runs on PDA and uses in measure. In the measure we get some drawbacks and must rectify in future.The study is the supplement to in-situ X radiation sampling technique. It applies the Fourierism-Gauss spectrum analysis on the in-situ X-ray instrument and advances the precision and the area of in-situ X radiation sampling technique. It will develop the in-situ X radiation sampling technique by exploration of in-situ X radiation sampling technique.