1) statistical distance
统计距离
1.
By adopting the probability distribution of innovation statistical distance to judge maneuvering levels so as to adjust both maneuvering frequency and maximum acceleration,even filter gain.
该算法利用残差统计距离的概率分布设置目标强机动的检测门限,根据目标的机动水平联合调整模型的机动频率、最大机动加速度以及滤波器增益,在保持"当前"统计模型跟踪算法对一般机动目标跟踪精度的前提下,增强了系统对突发强机动目标的自适应跟踪能力。
2) distance estimation
距离估计
1.
Based on signal energy received by receiving radar,we built up a distance estimation model,proposed a new algorithm for distance estimation based on structure stochastic jump optimal filter theory,and realized distance estimation of passive radar.
根据接收雷达接收到的信号能量,建立了被动雷达距离估计模型,提出了一种基于结构随机跳变系统最优滤波理论的距离估计算法,实现了被动雷达对目标的距离测量。
2.
Based on the principle of measuring the distance of the target’s infrared irradiation,a distance estimation model with Markov jump parameters was presented which was aimed at maneuvering point targets.
针对机动飞行的空中点目标,利用测量目标红外辐照度变化的测距原理,建立了具有Markov跳变参数的红外系统距离估计模型,基于结构随机跳变系统最优滤波理论,提出了一种新的红外系统距离估计算法。
3.
Aiming at maneuvering point targets flying in the sky,a uniform missile-borne passive system(include infrared passive system and passive radar system) distance estimation model with Markov jump parameters is built by using the spectra radiation illuminance of the targets.
针对空中作机动飞行的点目标,利用弹载被动系统(包括红外被动系统和被动雷达系统)测量的目标光谱辐射照度信息,建立了具有Markovk跳变参数的统一目标距离估计模型。
5) distance calculation
距离计算
1.
A potential facet set can be found quickly and accurately and this set is compact enough to accelerate the distance calculation greatly.
本算法可应用在需大量距离计算的环境 ,如距离场计算、虚拟环境下的碰撞检测、机器人运动规划及数控加工过程的干涉检查
2.
Based on hierarchical candidate point set matching,the registration algorithm makes full use of the advantages of hierarchical matching and candidate point set matching approach,reduces feature extraction and searching space,and introduces distance calculation into the determination of homologous control point pairs,it can availably decide homologous control point pairs and decrease .
并在同名控制点对的确定中引入距离计算,能更有效地确定同名控制点对,减少了误匹配率,增加的距离计算时间代价很小,而且不随图像大小发生变换,只与最终匹配点对数目有关。
6) range estimation
距离估计
1.
Then the range estimation was performed with the estimated DOA through finite one-dimensional searching.
该算法利用四阶累积量矩阵的特征值估计DOA,通过在估计的DOA下进行有限的一维搜索得到距离估计。
2.
In this paper, we present theoretical analyses of the target range spectrum and the effects on the range spectral amplitude due to the target movements,based on which we propose a novel high-accuracy instantaneous range estimation algorithm in HF chirp radars.
本文分析了目标的距离谱及目标的运动对其瞬时幅度的影响,提出了一种新的高精度目标瞬时距离估计方法。
3.
On the contrast,this paper provided an in-depth analysis of the ranging step in RIPS,and used simulation experiments to research the quantificational impact on the range estimation precision of phase error distribution,channel number,channel interval and searching space,etc.
文章针对现有文献对干涉定位系统性能分析方面存在的不足,选择干涉距离估计环节作为研究对象,通过仿真实验定量研究了相位误差分布、频点数量、频带间隔、搜索区间等因素对干涉距离估计精度的影响,不仅为无线电干涉定位系统在不同应用场景中的参数设置和性能优化提供了依据,也为硬件升级等系统结构改造指明了研究方向。
补充资料：分布和特征量统计(见统计分析)
分布和特征量统计(见统计分析)
fenbu he tezhengliang tongjj分布和特征量统计见统计分析。
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