红外光谱技术在制浆造纸工业的原料分析、浆料检验及纸张检测等方面的应用已取得较大进展，且发挥着重要的作用。
As one of the most powerful tools to investigate the compositions of raw materials and the property of pulp and paper, infrared spectroscopy has played an important role in pulp and paper industry.
由于纸张上有无残留痕迹处的阻抗不同，因此可以通过测试纸张有无汗潜指纹纹理处的阻抗，来实现检测纸张上残留痕迹的目的。
Because the resistances between the remaining trace and non-remaining trace are different in paper, we can test remaining trace on paper by testing the resistance of invisible fingerprints of sweat.
基于DSP的纸张缺陷检测系统，分别对该系统的硬件和软件部分进行介绍。
A paper defect detecting system based on DSP, including its hardware part and software part was introduced.
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