ID 原文 译文
14535 综合化航空电子系统对总线网络的传输速率和确定性提出了较高要求。 The integrated avionics system puts forward higher requirements for the transmission rate and determinacy of bus network.
14536 针对普通光纤通道总线存在确定性差的问题,提出了一种时间触发光纤通道总线的设计与实现方案,采用主从方式实现网络时间同步,以及多缓存时间触发传输结构。 To solve the poor determinacy of ordinary fibre channel( FC) ,this paper proposesa design and implementation scheme for the time -triggered fibre channel,which uses the master -slavemethod to realize the network time synchronization,and the multi-buffer time-triggered transmission structure.
14537 详细阐述了节点的现场可编程门阵列逻辑设计实现方案,并在样机平台上进行了实物测试与验证。 The field programmable gate array( FPGA) logic design and implementation scheme of the node aredescribed in detail.Tests have been done to show the correctness of the proposed method on prototype platform.
14538 所提出的基于光纤通道的时间触发传输方案仅需对节点协议进行适应性修改,可应用于综合化的航空电子系统。 The proposed time-triggered transmission scheme based on fibre channel needs little change to theprotocol adaptively,which can be used in the integrated avionics system.
14539 为了降低无人机微多普勒特征信号检测难度,提出了一种基于无源雷达与循环谱相结合的微多普勒特征检测算法。 A target recognition method of synthetic aperture radar( SAR) image is developed via combination of multiple features and Gaussian process model.
14540 为了提高广播式自动相关监视(Automatic Dependent Surveillance-Broadcast,ADS-B)报文质量,解决由于地面站多重覆盖、硬件设施配置、运行状态等原因引起的报文在数据重复性、数据完整性和实时性上存在的问题,采用多条件直接起始法建立航迹,采用多项约束条件筛选进入优选的报文。 To improve the quality of automatic dependent surveillance broadcast( ADS -B) reports andsolve the problems of data repeatability,data integrity,and real-time performance caused by multiple coverages of the ground stations,hardware configuration,operation status,and other reasons,the direct startmethod with multi-constraint is used to establish the track,and multiple constraints are used to filter thesemessage to be optimized.
14541 并基于专家评级法对报文中表征数据项完整性的权重参数进行估计,结合报文的位置精度和完好性参数综合计算得出ADS-B数据质量指标并将其作为挑选依据。 The weight parameters of the integrity of data items in the message are estimatedbased on expert rating method,and the ADS-B data quality index is obtained based on the position accuracy and integrity parameters of the message.For the special case that the quality of the ADS-B report is extremely bad.
14542 对于ADS-B报文质量极度不理想的特殊情况,使用多重插补(Multiple Imputation,MI)算法对其进行补全处理,综合以上步骤挑选出高质量和高可靠性的ADS-B更新点迹。 The multiple imputation( MI) methods are used to complete it,and above steps are combinedto select the ADS -B update track with high quality and reliability.
14543 仿真计算证明该方法可有效剔除重复覆盖造成的重复报文和网络延迟造成的历史数据,防止航迹点回跳,提高数据质量和监视效率。 The simulation results show that themethod can effectively eliminate the duplicate messages caused by repeated coverage and the historical datacaused by network delay,prevent the track point from jumping back,and improve the data quality and monitoring efficiency.
14544 目前,该方法已实际应用于地面站和传输链路条件均不理想的场合,大量实践结果表明该方法可用于保证输出高实时性的、周期性的、稳定平滑的、可靠的ADS-B数据。 At present,the method has been applied in the case that the ground station and transmission link conditions are not ideal.A large number of practical results demonstrate that the method can beused to ensure the output of highly real-time,periodic,stable,and reliable ADS-B data.