The yam unevenness must be analyzed based on the combination of the CV value and its wave, curve and DR value.And a test standard and its evaluation basis for the yarn unevenness should be built up.

• 叙述了电容式和光电式条干仪的特点和特性，在线检测的长处及发展方向，指出条干不匀必须按产品分析要求的CV值结合波谱图、曲线图、DR值等指标组合分析，认为条干优劣应有客观的考核标准和评定依据。