LAP ANTARIS系列激光位移传感器 产品简介及相关技术参数下载 (英文版)pdf,LAP ANTARIS系列激光位移传感器 产品简介及相关技术参数下载 (英文版)ANTARIS: THE COMPLETE SOLUTION
MEASURES ALL MATERIALS.
ANTARIS series gauges provide precise results cn virt ally all materials, as the integrated DSP adapts the meas
霍维茨汤姆森估计量。Horvitz-Thompson Estimator. 用于不等概不放回抽样的总体量估计。Example: The H-T Estimator for SRS without replacement
Consider taking a simple random sample(SRS. without replacement, of size n from a
population of size N. The inclusion and joint inclusion pr