ID 原文 译文
10564 得到各优先级分组间理论近似最优接入门限值的数学表达式,可为不同优先级分组的接入决策过程提供理论依据并实现接入冲突的有效控制。 Obtains each priority grouping between approximate mathematical expression of the optimal answer the entry threshold, can provide different priority packet access provides the theory basis for the decision making process and realize the effective control of access conflict.
10565 仿真结果表明,该算法能够有效提高数据传输的时延、成功概率等性能,满足军事航空通信中数据传输的实时性和可靠性需求。 Simulation results show that the proposed algorithm can effectively improve the time delay of data transmission, the probability of success, such as performance, meet the real-time performance and reliability of data transmission in military aviation communication needs.
10566 对于相控阵雷达方向余弦量测,采用扩展卡尔曼概率假设密度(extended Kalman probability hypothesis density,EK-PHD)滤波进行多目标跟踪时,存在目标数估计偏高和目标状态估计准确度低的问题。 For phased array radar direction cosine measure, adopting extended Kalman probability hypothesis density (extended Kalman aim-listed probability content, density, EK - PHD) filter for multiple target tracking, target number estimation on the high side and low accuracy of target state estimation problem.
10567 针对上述问题,提出了一种新的多目标跟踪算法——无偏转换量测概率假设密度(unbiased converted measurements PHD,UBCM-PHD)滤波算法。 ‭According to the above problem, this paper proposes a new multiple target tracking algorithm, unbiased conversion measuring probability hypothesis density (unbiased converted measurements PHD, UBCM - PHD) filtering algorithm.
10568 该算法采用方向余弦量测下的量测转换方法,保留了更多的量测信息;‭ ‭The algorithm adopts the direction cosine measure of measurement conversion method, retained more measurement information;
10569 同时对转换后的量测偏差进行补偿,使量测转换误差的均值、方差准确近似原始量测高斯分布的一、二阶矩。 ‭At the same time to compensate the converted measurement deviation, make the measurement conversion error accurate approximation of the mean value and mean variance of the original measurement a gaussian distribution, the second order moment. ‭
10570 仿真实验表明,所提算法可提高目标数和目标状态估计准确性。 The simulation results show that the proposed algorithm can improve the target number and target state estimation accuracy.
10571 当多径信道各径多普勒因子不一致时,传统的多普勒补偿技术会带来较大的残余误差。 When the multipath channel diameter doppler factor is inconsistent, the traditional doppler compensation technology will bring larger residual error.
10572 针对此问题,通过理论推导提出了一种针对水声多径信道存在非一致多普勒扩展的补偿方法。 Aiming at this problem, through the theoretical derivation this paper proposes a for underwater acoustic multipath channel exists non-uniform doppler extension compensation method.
10573 该方法采用多次内插与快速傅里叶变换相结合的算法,首先通过对接收信号进行单次重采样预处理以降低多普勒因子大小。 The method USES multiple interpolation combined with fast Fourier transform algorithm, first through the study of the single weight of received signal sampling pretreatment in order to reduce the size of doppler factors.