ID 原文 译文
49327 针对低信噪比和符号速率采样条件下的载波同步问题，提出了一种新型的复合载波跟踪环，同时也给出了一种较直观的环路参数确定方法。 For under the condition of low SNR and symbol rate sampling of carrier synchronization problem, put forward a new kind of composite carrier tracking loop, also gives a more intuitive method of loop parameters.
49328 该载波同步环改进了原有的符号硬判决算法，并通过引入采样速率变换模块使得数字锁频环(frequency-locked loop，FLL)和数字锁相环(phase-locked loop，PLL)工作在不同采样速率条件下，来提高在低信噪比环境中载波频偏和相偏的估计精度。 The symbol of the carrier synchronization loop to improve the original hard decision algorithm, and through the introduction of sampling rate conversion module makes digital frequency locked loop (frequency - locked loop, FLL) and digital phase-locked loop (phase - locked loop, PLL) work under the condition of different sampling rate, to improve in the low SNR environment carrier frequency deviation and phase deviation estimation precision.
49329 该参数确定方法是在z域中，直接根据闭环系统的稳定性和单位阶跃响应特性来选择最优的参数。 The parameter determination method is in the z domain, directly according to the stability of the closed-loop system and unit step response characteristics to choose the optimal parameters.
49330 仿真结果表明，该参数确定方法具有很好的可行性，且所提出的载波跟踪环在较低信噪比条件下能获得良好的同步性能。 The simulation results show that the parameter determination method has the very good feasibility, and proposed the carrier tracking loop under the condition of low SNR can get good synchronization performance.
49331 本文针对移动自组织网络中实时业务特殊的服务质量(quality of service，QoS)需求，提出了一种新的媒体访问控制(media access control，MAC)协议，即基于公平的时分多址(fair-time division multiple access，F-TDMA)协议。 In this paper, aiming at real time in mobile self-organizing network business special quality of service (quality of service, QoS) requirements, this paper proposes a new media access control (media access control, MAC) protocol, which is based on fair time division multiple access (fair - time division multiple access, F - TDMA) protocol.
49332 该协议采用特定的时隙分配算法，来确保实时业务的QoS需求，并兼顾数据业务的接入性能。 The agreement in a specific time slot allocation algorithm, to ensure the real-time QoS requirements of the business, and data access performance.
49333 OPNET仿真表明:F-TDMA协议较现有协议具有较低的接入时延和较高的吞吐量，并且针对不同的业务类型F-TDMA协议可以优先确保实时业务的接入性能，同时又不会使数据业务的接入时延过大而失去发送的意义。 OPNET simulation shows that the F-TDMA protocol is existing has low access latency and higher throughput, and according to different business types of F-TDMA protocol can ensure the real-time business priority access performance, at the same time will not lose the access delay of data services with the meaning of sending.
49334 时敏目标呈现的持续时间和出现空间不稳定等特点加大了无人机编队任务分配难度，将影响无人机编队的任务执行效果。 Sensitive target duration and unsteady in space increased the uav formation task allocation is difficult, will affect the task execution effect of uav formation.
49335 针对该问题，在Leader-Follower编队结构下提出一种多无人机时敏任务动态分配算法，实现战场环境下多架无人机对多个时敏目标的打击。 Aiming at the problem, under the Leader - followers formation structure in this paper, a uav time-critical tasks more dynamic allocation algorithm, realization of battlefield environment more drones to strike many time-critical targets.
49336 该算法在时敏目标时间窗口约束下，通过综合评估目标威胁代价、距离代价、任务执行时间、毁伤能力和打击收益完成编队任务动态分配，保证了无人机编队打击多个时敏目标的效能最大化。 The algorithm under the sensitive target time window constraints, through comprehensive evaluation cost, distance of target threat, task execution time, mutilate ability and cracking down on yield formation task dynamically allocated, guarantees the uav formation against multiple sensitive target efficiency maximization.