ID 原文 译文
11494 最后把这个循环统计量与检测门限进行比较,实现信号识别。 Finally the circulation statistics compared with the detection threshold, realize signal recognition.
11495 计算机模拟仿真表明,该算法能在较低的输入信噪比条件下良好地工作。 Computer simulations show that the proposed algorithm can at low input SNR work well.
11496 为了提高非线性序贯式融合跟踪算法的精度,提出了基于平方根容积卡尔曼滤波器的多传感器序贯式融合跟踪算法。 In order to improve the precision of nonlinear sequential type fusion tracking algorithm, kalman filter is proposed based on square root volume of multi-sensor sequential fusion tracking algorithm.
11497 该算法使用三阶容积数值积分原则计算非线性过程的均值和方差,克服了扩展卡尔曼滤波器存在的滤波精度低及平方根无迹卡尔曼滤波器存在的参数复杂的缺点。 ‭The algorithm using the third order volume numerical integration principle of calculating the mean and variance of nonlinear process, overcome the filtering precision of the extended kalman filter is low and the square root no trace kalman filter parameters of complex faults.
11498 同时,在滤波递归过程中以协方差平方根矩阵代替协方差矩阵,这样确保了滤波算法的数值稳定性,提高了跟踪的精度。 ‭At the same time, in the process of filtering of recursion with covariance matrix instead of the square root of covariance matrix, so that ensure the numerical stability of the filtering algorithm, improves the tracking accuracy.
11499 最后用已知弹道系数的再入段弹道跟踪模型对所提算法的性能进行仿真测试。 ‭With known finally ballistic coefficient of reentry ballistic track model simulation tests on the performance of the proposed algorithm.
11500 仿真结果表明,所提算法具有很好的跟踪性能,是一种有效的非线性序贯式融合跟踪算法。 ‭The simulation results show that the proposed algorithm has good tracking performance, is a kind of effective nonlinear sequential fusion tracking algorithm. ‭
11501 预警机雷达为了完成在地物杂波背景下的目标探测,通常采用脉冲多普勒(pulse Doppler,PD)体制,而多普勒盲区是PD体制雷达的固有问题。 Awacs radar in order to complete the ground object target detection under the clutter background, usually by pulse Doppler (pulse Doppler, PD) system, and Doppler blind area is the inherent problems of PD radar system.
11502 在分析地物杂波特性和多普勒盲区形成机理的基础上,提出了一种基于多普勒盲区的低空突防航线规划方法,并给出了固定时间步长的搜索方法对该规划进行求解。 On the analysis of the features on clutter and doppler blind area, on the basis of forming mechanism, proposed a based on doppler blind area of low altitude penetration route planning method, and presents a fixed time step search method to solve the program.
11503 沿此航线的战机利用多普勒盲区可实现相对于预警机雷达的"隐身",而低空飞行又可有效规避地面雷达的探测。 Along the route of the aircraft using the doppler blind area can realize relative to "stealth" of awacs radar, and low-flying can effectively avoid the ground radar detection.