ID |
原文 |
译文 |
55567 |
针对该问题,提出了一种利用估计均方误差和新息协方差估计值来计算多重渐消因子的方法,通过一组并行工作的基于限定记忆指数加权的新息协方差估值器来计算渐消因子,并根据估计均方误差把渐消因子分配给各滤波通道,从而提高自适应卡尔曼滤波器整体性能,仿真结果证明了所提方法的有效性。 |
According to this problem, this paper proposes a using interest covariance estimation mean square error (mse) and the new estimate to calculate multiple fading factor method, through a set of parallel work based on limited memory index new coupon covariance weighted valuation to calculate fading factor, and according to the estimation mean square error (mse) channel fading factor is assigned to each filter, adaptive kalman filter to improve the overall performance, the simulation results prove the effectiveness of the proposed method. |
55568 |
针对无线局域网室内定位系统中,因参考点密集布设而带来的数据采集、更新及定位匹配运算量增加的问题,提出了一种新的基于半监督流形学习的降维判别嵌入定位算法。 |
For wireless local area network (LAN) in indoor positioning system, caused by the dense reference point setting of data collection, update and locate matching computation increase problems, this paper proposes a new discriminant embedding dimension reduction based on a semi-supervised manifold learning localization algorithm. |
55569 |
该算法利用少量已标记数据和部分未标记数据,通过求解目标函数最优化,对高维接收信号进行维数约减,保留最具判别力的定位特征,然后采用确定性定位算法找到定位特征与位置坐标的映射关系。 |
The algorithm USES a small amount of labeled data and part of the tag data, by solving the objective function of optimization, the high-dimensional receiving signal about reducing dimension, retain the most understanding of localization features, then USES the deterministic localization algorithm find the mapping characteristics and location coordinates. |
55570 |
实验结果表明,算法定位精度高于传统的定位算法,降低了离线阶段的数据采集工作量,便于后期数据库的实时更新。 |
Experimental results show that the algorithm precision is higher than the traditional localization algorithm, reduce the workload of the offline phase of data collection, easy database real-time update of the late. |
55571 |
针对雷达辐射源参数的不确定性,研究区间类型的雷达辐射源参数识别,构造区间参数的雷达辐射源数据库。 |
Study the radar emitter parameter uncertainty, interval type of radar emitter parameter identification, tectonic interval parameters of radar radiation source database. |
55572 |
首先,利用区间数距离形成区间相似度并基于此构造一种切合实际的基本概率赋值(basic probability assignment,BPA)。 |
First of all, using the interval Numbers distance interval similarity and based on this structure a realistic basic probability assignment (basic aim-listed probability the assignment, BPA). |
55573 |
再将其与证据理论结合形成辐射源识别的信度区间,利用证据组合规则对信度区间进行区间重组。 |
It combined with evidence theory to form a radiating source recognition reliability interval, evidence combination rule is used to analyse the reliability interval interval restructuring. |
55574 |
最后进行自适应判决识别,得到识别结果。 |
To identify the adaptive decision finally, identification results are obtained. |
55575 |
仿真结果表明,区间证据理论方法能够较好的处理区间类型以及区间值和标量值混合类型的辐射源参数,得到满意的识别结果,具有一定实际意义。 |
The simulation results show that evidence theory method can better deal with interval type and mixed with the scalar value interval value types of radiation source parameters, get a satisfactory identification result, has certain practical significance. |
55576 |
由于目前机动目标模型越来越向模块化、并行计算的方向发展,对目前算法计算效率提出了更高的要求。 |
Due to the current maneuvering target model is more and more to the direction of modular, parallel computing, calculation efficiency of current algorithm put forward higher requirements. |