ID 原文 译文
6774 最后通过仿真验证,该控制器能够有效抑制干扰带来的影响,使僚机能够迅速跟随长机机动,并保持编队队形的稳定。 Finally through the simulation, the effects of the proposed controller can effectively suppress interference, make a wingman can quickly follow the flight maneuver, and maintain the stability of fleet formation.
6775 为满足舰艇航行的高精度导航要求,提高惯导系统陀螺漂移估计精度,设计了基于扩张状态观测器(extended state observer,ESO)的惯导系统陀螺漂移估计算法。 To meet the requirements of ships sailing the high precision of navigation, improve precision of the gyroscope drift and inertial navigation system design based on extended state observer (extended state observer, ESO) estimation algorithm gyro drift of inertial navigation system.
6776 首先引入了惯导系统水平姿态角的ESO估计算法; First introduced the ESO of inertial system level attitude Angle estimation algorithm;
6777 其次基于惯导系统姿态控制方程,研究并推导了陀螺漂移的ESO估计算法,给出了估计误差的量化分析结论; Second attitude control equation based on the inertial navigation system, the research and the gyro drift of ESO estimation algorithm is deduced, it gives the estimate error of quantitative analysis;
6778 最后对算法进行了仿真验证。 Finally, the algorithm simulation verification.
6779 结果表明,基于ESO的陀螺漂移估计方法可在短时间内快速、无超调、高精度地估计出陀螺漂移。 The results showed that the gyro drift estimation method based on ESO can quickly in A short time, no overshoot and accurately estimate the gyro drift.
6780 当ΔA在采用均匀圆阵对宽带线性调频(linear frequency modulation,LFM)信号进行测向时,由于满足奈奎斯特采样所需采样数据量很大,加重了实时处理系统负担。 When Δ A In the use of uniform circular array of wideband linear frequency modulation (linear frequency modulation, LFM) signal direction finding, due to satisfy the Nyquist sampling the sampling data quantity is large, increase the burden of real-time processing system.
6781 针对这一问题,在小孔径圆阵环境下提出并构建了基于压缩感知理论的时差测向模型,以较少的观测点实现了信号的波达方向估计。 In order to solve this problem, in the small aperture circle environment is put forward and the time difference direction finding based on compressed sensing theory model was constructed, with fewer points to achieve the signal doa estimation.
6782 研究结果表明,应用所提的基于压缩感知的分数时延估计法对宽带LFM信号测向时,能够获得与分数时延估计测向算法相似的测向精度,并且大量减少了数据的运算量,提高了算法的时间效率。 Research results show that the application of fractional time delay estimation method based on compression perception of the broadband LFM signal direction finding, can score with similar direction finding precision of time delay estimation algorithm, and a substantial reduction in computational complexity of the data, improve the time efficiency of the algorithm.
6783 双基地多输入多输出(multiple input multiple output,MIMO)雷达收发阵列互耦和幅相误差会严重影响高分辨波达方向(direction of arrival,DOA)和波离方向(direction of departure,DOD)估计算法的性能。 Double base multiple input multiple output (multiple input multiple output, MIMO) radar transceiver array mutual coupling and amplitude phase error will seriously affect the high-resolution DOA (direction of concatenated, DOA) and wave direction (the direction of departure, DOD) estimate the performance of the algorithm.