概括
多个波长干扰度算法扩展了测量范围,但可能会因相位错误而失败. 霍艾里-卡 (HC) 算法在整个明确范围提供了统一的稳定性,与其他算法不同.
科学领域:
- 光学计量学是指光学计量学.
- 干涉测量是干涉测量的方法.
- 阶段测量 阶段测量
背景情况:
- 多个波长的干扰度扩展了明确的范围 (UR) 超出单个波长的限制.
- 当前用于从多波长相位数据计算光路径差异 (OPD) 的算法在相位误差超过值时失效.
- 了解算法对相位错误的稳定性对于可靠的测量至关重要.
研究的目的:
- 为了检查多波长干扰测算算法的故障条件.
- 为分析算法稳定性引入相空间视图.
- 为了比较不同多波长算法的稳定性,包括合成波长,de Groot's和Houairi-Cassaing (HC).
主要方法:
- 分析使用新的"相空间"视角的多波长干扰度算法.
- 关于相位测量错误的算法稳定性的评估.
- 研究波长和OPD对德格鲁特算法的影响.
- 评估Houairi-Cassaing (HC) 算法在整个UR的稳定性.
- 探索波长错误对HC算法的影响.
主要成果:
- 合成波长算法的稳定性在它的UR边缘附近降低.
- 德格鲁特的算法表现出强度对波长和OPD的复杂依赖.
- 霍亚里-卡 (HC) 算法在整个UR中表现出一致的稳定性.
- 波长错误分析了它们对HC算法的强度的影响.
结论:
- 阶段空间视图提供了对多波长干扰度算法的稳定性的洞察.
- 与其他检查的方法相比,HC算法提供了优越和统一的稳定性.
- HC算法的性能受到波长错误的影响,需要进一步调查.
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