针对地面分布式多基地雷达系统对高空目标定位精度不足的问题，研究人员创新性地将空间角(sa)测量与双基地距离(br)结合，提出wls-er闭式解算法。该研究通过加权最小二乘(wls)粗估计与代数误差缩减(er)两步优化，显著提升高度方向定位精度，理论证明其渐近达到克拉美罗下界(crlb)，为雷达系统配置 ...

Importantly, the CRLB will waive late fees for renewals until June 1, 2020 and has extended the time frame to become licensed (applicable to home inspectors, commercial roofers, well drillers/pump ...

All five customers who spoke to NBC 10 I-Team in this article filed complaints with the CRLB. The board’s emergency order is based on three of the complaints.

An emergency rule of Rhode Island CRLB went into effect this morning “in response to the State of Emergency issued by the Governor.” The rule seeks “limit in-person contact while continuing ...

His registration was revoked but the CRLB said Young continued to work illegally. M.T.Y. Paving ultimately sold off its equipment to pay restitution totaling more than $32,000.