OMI卫星传感器的对二氧化氮的反演产品，该手册针对的是level 2级别的产品，对该产品的数据结构和算法做了详细介绍。 -This is the product of the satellite sensor called OMI, and is a retreived product of nitrogen dioxide (NO2). The manual is for level 2 level products. And the product' s data structures

The iterative method is the most widely used in the series expansion algorithm. There are many different types of iterative reconstruction methods. The most widely used research and application are algebraic reconstruction (ART), simultaneous iterati