roughness index meaning in English

粗糙度指数
粗糙指数

Assure the minimum hortative wavelength by the international roughness index
由国际平整度指数确定路面激励最小波长
Standard practice for computing international roughness index of roads from longitudinal profile measurements
从纵剖面测量计算道路国际粗糙度指数的标准操作规程
Experiment results prove that this algorithm is a practical and effective method , with which the ideal cross - section curve can be acquired . the result is coincidence to the standard iri ( the international roughness index ) and meets the necessity
实验结论：基于阵列信号处理和小波降噪的算法应用于路面平整度检测可以得到较理想的断面曲线，换算国际平整度指标iri与标定较吻合，符合处理要求。
This paper introduces some models of pavement operational performance ( including pavement structural remaining life , pavement condition index pci skid resistance index and international roughness index iri ) in term of application of apms
根据国内外常用的机场道面性能模型研究状况和道面管理系统的特点，介绍了道面结构剩余使用寿命、道面状况指数pci 、道面防滑性系数?和道面国际平整度指数iri常用的衰变模型。