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遥控指令弹道修正弹外弹道最优预测模型 被引量:2

An Optimal Predicting Model for the Exterior Ballistics of Remote Controlled Trajectory Correction Projectile
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摘要 根据遥控指令弹道修正弹的外弹道数据特点,在广义Kalm an数据估计的基础上,提出了一种基于弹道扰动噪声估计的弹道修正弹外弹道最优预测模型。该方法摆脱了对于弹道状态方程中发射前扰动噪声数据的依赖,避免了由于扰动噪声非实时性估计而产生的计算误差。文中把弹道扰动噪声分为常值噪声和均值为零的高斯白噪声,并对噪声估计的准确性进行了详细的定量分析。根据对遥控指令弹的观测段弹道扰动噪声估计的结果,改进了观测段的弹道估计算法,降低了计算量,提高了非观测段弹道预测的精度。仿真计算结果验证了文中模型的正确性。 An optimal predicting model for the exterior ballistics of trajectory correction projectile based on the estimation of ballistic perturbing noise is established. The computation error due to the non real - time estimation of the perturbing noise is avoided by discarding off the noise data before shooting. Two kinds of noise (constant noise and zero - mean white Gaussian noise) are discussed. The precision of trajectory noise is analyzed in detail. The ballistic estimation algorithm of measured section of trajectory is amended based on the estimation result of trajectory perturbing noise. The computing scale is reduced and the predicting precision of non - measured section is improved. The validity of the predicting model is proved by the simulation result.
出处 《探测与控制学报》 CSCD 北大核心 2006年第4期39-43,共5页 Journal of Detection & Control
关键词 弹道修正 毫米波 遥控指令 噪声估计 弹道预测 trajectory correction projectile millimeter wave remote controlling noise estimation ballistic prediction
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