An artificial densitycorrection is used for the stability on local supersonic region.
为局部超声速区解的稳定，采用人工密度修正。
2
The main parts include density adjustment, exposure adjustment, pre-printing adjustment and uniformity correction.
其主要环节包括密度校正、曝光量校正、均匀性校正、印前预校色等。
3
The main problem of decompaction correction is how to found a reliable porosity depth function or density depth function which expresses the compaction process of clastic rock.