ID 原文 译文
6904 新方法通过联合空域四通道(和差四波束)和时域双通道(相邻的两个脉冲重复间隔)得到空时联合通道作为接收通道; including nearly main lobe dense false target jamming and self-defense type dense false target jamming).New method through joint airspace four-channel dual channel (and sent four beam) and the time domain (adjacent pulse repetition intervals) get space-time joint channel as a receiving channel;
6905 然后利用盲分离技术对空时联合通道内的混合信号进行分离; and then using blind source separation technology of mixed signal within the joint space-time channel separation;
6906 最终通过脉冲压缩处理来提取目标回波信号,以此达到干扰抑制的目的。 finally through the pulse compression processing to extract the target echo signal, in order to achieve the goal of interference suppression.
6907 新方法不需要信源的先验知识,容易工程实现。 The new method does not need to source a priori knowledge, easy to project implementation.
6908 针对同类产品在步进应力加速退化试验中观测数据,采用非线性Wiener过程,建立了带测量误差的加速退化模型; For similar products in step stress accelerated degradation test observation data, using nonlinear Wiener process, accelerate degradation with measurement error model is established.
6909 采用两步极大似然估计法,求解出退化模型中固定系数估计值和随机系数先验值; Using two step maximum likelihood estimation method and solving the degradation model of fixed coefficient prior estimate and random coefficient value;
6910 基于首达时的概率分布,推导出剩余寿命的概率密度函数近似表达式; Is derived based on the first of the probability distribution of residual life of the probability density function approximation expression;
6911 引入随机系数贝叶斯更新方法,利用目标产品当前观测数据来更新随机系数后验值,实现剩余寿命预测结果在线更新; Introduced the bayesian updating method, random coefficient using the measurement data to update the product of the current random coefficient of posterior value, realize the residual life prediction results online update;
6912 结合某型激光器仿真实例分析,验证了所建模型的正确性和优势。 Examples of a laser simulation validate the correctness of the model and the superiority.
6913 针对目前无人机基于景象匹配对目标定位精度低与速度慢,以及依赖任务设备的问题,提出了一种基于景象匹配的航摄影像二维定位方法。 On the uav based on scene matching the target location precision low and slow, and depend on the mission equipment problems, put forward a kind of scene matching based aerial photography as a two-dimensional positioning method.