ID 原文 译文
56028 仿真实验结果表明,该算法对机动目标的跟踪性能优于常规的IMM及IMM-CKF算法。 The simulation results show that the proposed algorithm for maneuvering target tracking performance is superior to the conventional IMM and IMM - CKF algorithm.
56029 针对正反馈存在于短帧多元低密度奇偶校验码(low density parity check,LDPC)与高阶连续相位调制(continuous phase modulation,CPM)迭代系统中的问题,提出一种在低信噪比采用加权联合平均外信息交换、在中高信噪比采用加权外信息交换的外信息处理方式。 For positive feedback in short frame multiple low density parity check code (low density parity check, LDPC) with high order continuous phase modulation (continuous phase modulation, CPM) in the iterative system problems, puts forward a low signal-to-noise ratio using weighted joint average information exchange, outside the high signal-to-noise ratio using the weighted information processing means outside the exchange of information.
56030 该方式对解调器与译码器之间传递的外信息进行相应处理,可以有效控制波动过大的位概率。 The way to the transfer of information between demodulator and decoder for the corresponding processing, can effectively control the volatility of a probability.
56031 同时将交叉熵(cross entropy,CE)和辅助硬判决(hard decision aided,HDA)两种迭代停止准则与加权外信息处理方式结合进行动态迭代译码。 At the same time will cross entropy (cross entropy, CE) and auxiliary hard decisions (hard decision aided, HDA) two iterative stopping criteria and weighting information processing method combined with dynamic iterative decoding.
56032 理论分析和仿真结果表明,对外信息交换进行加权操作并联合动态迭代停止算法能够在有效减少正反馈的同时使迭代的收敛性得到优化,同时迭代停止算法可减少平均迭代次数,提高系统的实时性。 Theory analysis and simulation results show that the external information exchange weighted operation and joint dynamic iterative stopping algorithm can effectively reduce the positive feedback, and make the convergence of the iterative optimization, iterative stopping algorithm can reduce the average number of iterations at the same time, improve the real-time performance of the system.
56033 根据非下采样剪切波变换(non-subsample shearlet transform,NSST)在图像融合领域的优势和多聚焦图像的成像特点,将NSST运用于多聚焦图像融合。 According to the sampling shear wave transformation under the (non - subsample shearlet transform, NSST) advantages and more focused in the field of image fusion imaging characteristics of image, apply NSST to more focus on image fusion.
56034 在NSST变换域中,利用方向信息测度能够突出图像边缘纹理特征以及降低图像噪声,将其运用在高频子带系数的融合规则中,并对传统的低频融合策略进行改进,将低频系数和高频系数的融合图像进行NSST的逆变换,得到融合图像。 In the NSST transform domain, using the direction information measure will highlight the image edge texture characteristics and reduce the image noise, its use in the fusion rules of high frequency subband coefficients, and the strategies to improve the traditional low frequency fusion, the coefficient of low frequency and high frequency coefficient of the fusion image NSST inverse transformation and get the fusion image.
56035 计算机仿真实验表明,相比于传统的剪切波变换的融合策略,本文提出的图像融合方法提高了图像的融合质量,增加了图像的信息量,并能降低图像噪声,具有一定的有效性和实用性。 The computer simulation results show that, compared with the traditional shear wavelet transform fusion strategy, image fusion method is put forward in this paper to improve the quality of the image fusion and increase the information of the image, and can reduce image noise, has certain validity and practicability.
56036 针对雷达系统中机动目标的跟踪问题,提出输入估计(input estimation,IE)与无偏量测转换(unbiased converted measurement,UCM)相融合的自适应算法。 For the tracking of maneuvering targets in radar system, and an input (input estimation, IE) and unbiased measurement transformation (unbiased converted measurement, UCM) combines the adaptive algorithm.
56037 用无偏量测转换技术将观测量转换到直角坐标系,使得在极坐标系内应用IE成为可能;提出检测窗内加速度阶梯变化的假设并推导相关模型,使得单个输入估计器能够跟踪各种变化机动。 With unbiased measurement transformation technology to convert observation to the rectangular coordinate system, has made it possible in polar coordinates using IE;Acceleration change detection window hypothesis and related models are derived, enables the single input estimator to track various change motor.