ID 原文 译文
6434 结果表明:采用带有所提出的ASTKF的PID控制的跟踪精度相较PID及自抗扰控制精度均有明显提高,可以达到量子定位的精跟踪系统对跟踪精度±2μrad的要求。 The results show that the PID control with the proposed ASTKF tracking precision compared with PID and the immunity control accuracy were improved obviously, can achieve the quantum positioning precision tracking system for tracking accuracy + / - 2 mu rad.
6435 利用距离数字波束形成(digital beam-forming,DBF)技术可以扩展有效观测幅宽,缓解传统合成孔径雷达系统方位向高分辨与距离向宽测绘带的矛盾,而距离向各通道间的通道误差会使合成波束方向图偏离理想状态,降低系统的性能。 Using distance digital beamforming (digital beam - forming, DBF) technology can extend the effective width, ease traditional synthetic aperture radar system orientation to the contradiction between high resolution and distance to the wide band of surveying and mapping, and the distance to the channel between the channel error can make synthetic map in the direction of the beam deviation from the ideal state, reduce the performance of the system.
6436 针对该问题,提出了结合通道均衡的DBF方法,首先简单介绍传统距离DBF处理技术的原理; Aiming at the problem, put forward the combination of channel equalization method of DBF, first introduces the principle of traditional distance DBF processing technology;
6437 然后对实际系统中通道接收信号存在的通道误差进行分析; Then the channel signals exist in practical system error is analyzed;
6438 最后根据分析结果,将通道均衡算法与传统DBF处理技术相结合。 According to the analysis results, the channel equalization algorithm combined with traditional DBF processing technology.
6439 该处理方法可以有效消除通道间幅相误差,提升DBF处理效果。 The processing method can effectively eliminate the amplitude-phase error between channels, improve DBF processing effect.
6440 利用机载距离向八通道实测数据验证了算法的有效性。 Using airborne distance to eight channel measured data to verify the effectiveness of the algorithm.
6441 水下滑翔机(autonomous underwater glider,AUG)广泛应用于长时间、大规模的海洋环境监测。 Underwater glider (autonomous underwater glider, AUG) is widely used in long time, large-scale Marine environmental monitoring.
6442 为了更高效地进行AUG组网,提出面向AUG的水声网络时间同步与多址接入(time synchronization and multiple access control,TSMAC)融合机制。 AUG networking in order to more effectively, is proposed for underwater acoustic network time synchronization of AUG and multiple access (the time synchronization and multiple access control, TSMAC) integration mechanism.
6443 该机制将TSMAC的信息交换过程相融合,利用AUG和信标节点交换信息。 This mechanism is used to fuse TSMAC information exchange process, the use of AUG and beacon nodes exchange information.