1) optimal importance density
最优重要密度
1.
Aiming at the constrained bearing only tracking(CBOT) s actual condition,the formula of optimal importance density(OID) used in particle filters is derived.
针对约束仅方位跟踪(CBOT)的实际条件,推导了粒子滤波器中的最优重要密度公式。
2) optimum density
最优密度
1.
Compilation of optimum density table for Picea koraiensis plantation;
红皮云杉人工林经营最优密度表的编制
3) importance density
重要密度
1.
As the algorithm of particle weights, especially the importance density function, often severely affects the performance of the PF, we propose .
鉴于医学图像质量低、噪声大的普遍特点,从状态变量的非线性、非高斯分布前提出发,利用粒子滤波技术解决该类跟踪问题是一种具有挑战性的技术:由于经典粒子滤波器的权值计算,尤其是重要密度函数的构造方法严重影响了粒子滤波器的性能,本文提出了重要改进。
2.
We analyze the degeneracy phenomenon of sequential Monte Carlo particle filters based on bayesian theorem,put focus on the key techniques(good choice of importance density and use of resampling) to reduce its effects.
针对基于贝叶斯原理的序贯蒙特卡罗粒子滤波器出现退化现象的原因,以无敏粒子滤波(UPF)、辅助粒子滤波(ASIR)及采样重要再采样(SIR)等改进的粒子滤波算法为例,对消除该缺陷的关键技术(优化重要密度函数及再采样)进行了分析研究。
6) optimal resource populations
最优资源密度
1.
Connecting with the present situation for renewable resources management, in this paper, we mainly study various complicated relations in optimal resources exploitation,discuss the effect of taxes and allocated transferable quotas on optimal resource populations, optimal total effort and individual effort, as well as t.
针对目前可再生资源的管理现状,研究了最优资源开发活动中出现的各种复杂关系,讨论了税收与配额转移对最优资源密度、最优投入总量、最优个体投入以及最优开发商数目的影响。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
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