Highways winter maintenance plant and highways side equipment maintenance - deicing agent sprayer - fixed station test method for flow rate measurement 高速公路冬季维修设备和高速路路边设备维修.除冰剂喷洒机.流率测量固定站试验方法
An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given 本文提出了一种测量目标辐射源脉冲到达时间和到达方向实现固定单站对运动辐射源进行无源定位的算法。
Road construction and maintenance equipment . bituminous binder spraying machine . dosage measurement and transverse distribution fixed station test bench and method 筑路和养路设备.沥青黏合剂喷洒机.浇注机横向分配与剂量的定位试验台和试验方法
Depending on the characteristic of the mobile station system can reduce more influence such as multipath interference and none - line - of - sign ( nlos ) propagation than fixed station 同时利用该系统自身特点,避免了许多在固定站系统中多径干扰、非视距传播等定位难题。
The 12 - to 18 - year - olds each have their own computer ; 7 - to 11 - year - olds have one portable computer for every two students ; and 5 - and 6 - year - olds use computers at fixed stations 12岁至18岁的孩子们每人都有一台属于自己的电脑; 7岁至11岁的孩子们每两个人有一台便携式电脑; 5岁、 6岁的孩子们可以在固定的位置使用到电脑。