1) non-line-of-sight
非直达波
1.
How to mitigate position error caused by non-line-of-sight (NLOS) propogation when we use range-based tracking algorithm in Cellular Networks? 2.
在跟踪蜂窝移动通信网络中移动终端的运动轨迹时,如何利用粒子滤波器减弱非直达波传播对滤波跟踪算法精度的显著影响? 2。
2) NLOS
非直达波
1.
Large tracking error has been found in the use of classic extended Kalman filter in LOS/NLOS hybrid environment.
扩展卡尔曼滤波算法在直达波(Line-Of-Sight,LOS)和非直达波(None-Line-Of-Sight,NLOS)混合环境中存在显著的误差。
2.
The simulation results show that NLOS (non-linear of sight) error of the ROS model is higher than DOS model’s.
同时还分析讨论了现有的几种直达波定位算法,并在直达波环境下和非直达波环境下对现有的基本直达波算法进行了仿真。
3) direct wave
非反射波，直达波
4) non-line of sight
非直达波误差
5) NLOS location
非直达波定位
6) direct wave
直达波
1.
Thus in common receiving gathers,firstly calculate the polarization coefficient of direct wave for each trace,and then use the resulted coefficients as weights to determine the main polarization direction in detector coordinates via weighted least square metho.
因而,可以在共检波点道集中,首先计算各道直达波的偏振系数,再用偏振系数作为权系数,采用加权最小二乘算法直接计算出检波器坐标中的主偏振方向,以此准确估算出检波器方位。
2.
This paper firstly established emulation mode of the transmission of outer radiant point signal,therefore calculated intensity of direct wave signal and multipath signal,and compared it with practical measure value.
首先建立了外源信号传播的仿真模型,由此推算出直达波信号与多径反射信号的强度,并与实际测量情况进行了比较验证,然后将直达波强度与多径信号强度作了对比分析,得出直达波的存在对布站的影响,从而为接收站的布置问题提供了参考依据。
3.
Interference of acoustic direct wave coming from sound source makes accurate determination of underground conditions with acoustic waves difficult.
在浅地层地下物体的声波探测中，沿地表层传播的声直达波干扰是影响探测结果的主要因素之一。
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条