ID 原文 译文
7244 针对扰动引力场对导弹命中精度影响日益突出的问题,基于弹道摄动思想提出了一种可同时考虑发射点垂线偏差和导弹飞行过程扰动引力影响的弹道助推段误差传播高精度求解方法。 For gravitational field disturbance effect on missile accuracy increasingly prominent problems, based on the ballistic perturbation ideas put forward a kind of can consider launch vertical deflection and at the same time boost phase process disturbance gravitational influence of missile flight trajectory error propagation and high precision method.
7245 首先推导了弹道助推段摄动方程,然后根据其物理意义将摄动项划分为几何项、受力项、引力加速度耦合项、视加速度耦合项4部分,并分别推导了各摄动项对应的系数矩阵。 First ballistic boost phase perturbation equation was deduced, and then according to its physical significance could be divided into geometric perturbation item item, paragraphs, force and gravity acceleration coupling, apparent acceleration coupling term 4 parts, and each perturbation was deduced respectively the corresponding coefficient matrix.
7246 基于某典型弹道导弹仿真系统,设置不同误差条件,将提出的弹道助推段误差传播模型与弹道求差法进行仿真对比。 Based on some typical ballistic missile simulation system, set up different error condition, will present the ballistic boost phase error propagation model and ballistic simulation comparison for differential method.
7247 蒙特卡罗打靶结果表明,相对弹道求差法而言,该方法的计算效率提升了约50倍,射程偏差计算的相对误差均小于10%。 Monte carlo shooting results show that the relative ballistic differential method, the computation efficiency of the method about 50 times, the relative error of range deviation calculation are less than 10%.
7248 为了研究平台导引头隔离度对制导系统稳定性的影响,建立了不同制导信号提取点和不同干扰力矩引起的隔离度传递函数模型及制导系统模型; In order to research platform seeker isolation effect on the stability of the guidance system, set up different guidance signal extraction and isolation degree caused by different disturbance torque transfer function model and guidance system model;
7249 采用分析时变系统Lyapunov稳定性的无源性方法分析了制导系统的一致渐进稳定条件; The passivity of Lyapunov stability analysis of time-varying system method consistent gradual stability condition;
7250 基于制导系统稳定条件提出了隔离度幅值指标计算方法。 Analyzes the guidance system based on the guidance system stability condition isolation amplitude index calculation method are put forward.
7251 研究表明,从角速率陀螺处提取制导信号时制导系统满足一致渐进稳定性对末导时间及隔离度幅值指标的约束比从稳定回路指令处提取时严格,弹簧力矩引起的隔离度幅值指标较阻尼力矩严苛,导引头测试时应密切关注从角速率陀螺处提取制导信号及弹簧力矩引起的隔离度幅值。 Study shows that the extraction from the angular rate gyro guidance signal guidance system satisfies the uniformly asymptotic stability of lead time and at the end of the isolation degree amplitude index constraints than extraction from stable loop instructions strictly, spring torque caused by isolation than damping torque amplitude index, to test the seeker should pay close attention to extract from the angular rate gyro guidance signal and isolation spring torque amplitude.
7252 反导防御系统中,拦截弹在天基红外低轨卫星信息引导下拦截弹道导弹目标时,需要考虑卫星的跟踪能力与拦截弹的拦截能力的匹配问题。 Anti-missile defense system, the interceptor in space-based infrared guided by Leo satellite information intercept ballistic missile target, need to consider the satellite tracking ability and interceptor intercept capability matching problem.
7253 首先,采用后验克拉美罗限的方法计算低轨卫星跟踪弹道导弹目标的能力; First, adopt the method of posteriori grams of Latin America, the limit of calculating Leo satellite tracking ability of ballistic missile target;