ID 原文 译文
10254 通过应用实例,表明了方法的有效性。 Through the application examples, demonstrates the effectiveness of the proposed method.
10255 提出了一种基于场景点遍历的多普勒带宽计算方法。 Attractions traversal is put forward based on the field of doppler bandwidth calculation method.
10256 该方法能得到准确的脉冲重复频率(pulse repetition frequency,PRF)下限值,解决了传统计算方法存在的发射脉冲数过多及PRF参数无法设计的问题; This method can get accurate pulse repetition frequency, pulse repetition frequency, PRF) lower limit value, solved the problem of the transmitted pulse in traditional calculation method for too much and PRF parameters can't design problems;
10257 同时解决了雷达方位与俯仰波束宽度不一致时,PRF下限值较难准确计算的问题。 At the same time solve the radar azimuth and pitching beam width inconsistent, PRF lower limit value is difficult to accurately calculate problem.
10258 构建了基于雷达系统参数和弹载高动态运动特征的PRF参数设计模型,在此基础上提出了通过减小等效斜视角和雷达平台速度的发射脉冲数最小的弹道优化方法。 ‭Constructed based on radar system parameters and its onboard high PRF characteristic of dynamic movement parameter design model, based on the proposed by reducing the emission of equivalent squint Angle and speed of radar platform pulse number of the smallest trajectory optimization method.
10259 弹道仿真验证了本文方法能较好地满足工程应用中弹载下降段大前斜聚束SAR成像时序设计需要。 ‭Ballistic simulation shows that this method can well satisfy the engineering application was shot before load decline period of large inclined bunching SAR imaging timing design needs. ‭
10260 卫星干扰源定位技术的关键之一是定位参数的测量。 Satellite interference source localization technology is one of the key parameter measurement.
10261 目前传统的定位时延估计算法无法满足在低信噪比环境下的到达时间差(time difference of arrival,TDOA)参数估计。 At present the traditional time delay estimation algorithm cannot meet the positioning in the arrival time difference of low SNR environment (time difference of concatenated, TDOA) parameter estimation.
10262 为了进一步提高定位性能,提出了基于四阶累积量的最小均方误差算法(least mean square algorithm based on fourth-order cumulant,CUM-LMS),在使用四阶累积量进行时延估计的基础上,提取峰值信息,计算均方误差,得到准确的TDOA参数。 In order to further improve the positioning performance, based on fourth-order cumulants is proposed minimum mean square error algorithm (further mean square algorithm -based on fourth - order cumulant, CUM - LMS), in the use of fourth-order cumulant based on time delay estimation, extraction of peak information, calculate the mean square error, the exact TDOA parameter.
10263 实验结果表明,所提出的算法有效地提高了时延参数估计的性能。 Experimental results show that the proposed algorithm can effectively improve the performance of the time delay parameter estimation.