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介绍了CCD数码照相系统电视分辨率和空间分辨率的实验测试方法。以实验测试为基础定量地给出了数码照相系统可达到的分辨能力 (6 0 0TVL和 71条线 /mm)。在现有条件下 ,作者对传统冲洗金相显微照片同相同试样金相组织的电子金相照片进行了比较 ,并得到了满意的结果。
This paper introduces the experimental testing method of TV resolution and spatial resolution of CCD digital camera system. On the basis of experimental testing, quantitative resolution of the digital camera system (600TVL and 71 lines / mm) is given. Under the existing conditions, the authors compare the electronic metallographic pictures of the same conventional metallographic microstructure with that of the same specimen and get satisfactory results.