ID 原文 译文
26395 通过案例，验证了混合式分析法相对BDD方法和直接仿真法在时效性上的优势。 Hybrid analysis method is verified by case, relative BDD method and the advantage of direct simulation method on timeliness.
26396 这种结合解析模型与快速仿真法的混合式分析方法为解决测控资源规模大、阶段任务数量多的测控任务可靠性的评估问题提供了可行的手段。 With fast simulation method of analytical model of the combination scale, hybrid analysis method to solve the tt&c resources stage task quantity problem of the reliability of the measurement and control task assessment provides a feasible method.
26397 针对航天器姿态跟踪过程中的姿态约束问题，提出了一种基于势函数的安全姿态机动控制算法。 According to gesture constraints in the process of spacecraft attitude tracking problem, this paper proposes a safe attitude maneuver control algorithm based on potential function.
26398 与姿态定点机动的姿态约束问题不同，引入误差四元数和误差角速度，建立了航天器姿态跟踪误差模型。 Attitude and attitude maneuver of constraint problem is different, introducing the error quaternion and angular velocity, spacecraft attitude tracking error model is established.
26399 采用四元数描述了姿态禁忌区域，并根据禁止姿态最小允许角构造了一种新的规避高斯势函数。 Using quaternions describes the forbidden area, and based on the minimum allowed forbidden attitude Angle to construct a new dodge gaussian potential function.
26400 利用规避势函数和吸引势函数得到安全姿态机动控制器，对于无扰动和有扰动的情况分别分析了闭环控制系统的Lyapunov稳定性。 To avoid potential function and attract potential function are used to get the security posture of motor controller, in the case of undisturbed and disturbed the Lyapunov stability of the closed-loop control system are analyzed respectively.
26401 最后，对于有约束的姿态跟踪情况进行了计算机数值仿真。 Finally, to have a constraint attitude tracking situation of computer numerical simulation.
26402 仿真结果表明，所提出的控制方法既能实现姿态跟踪的目的，又能确保航天器在机动过程中不会进入姿态禁忌区域。 The simulation results show that the proposed control method can not only achieve the purpose of the attitude tracking, and can ensure the spacecraft attitude in the process of motor will not enter the forbidden area.
26403 将SLT(system Luby transform)码，尤其是高码率短码长的SLT码与低密度校验(low density pari-ty check，LDPC)码等信道纠错码级联，可以通过增加少量的译码开销来有效地提高译码增益。 The SLT (system Luby transform) code, especially high bit rate short yards long SLT code with low density parity (low density pari - ty check, LDPC) code and channel error correction code cascade, can be decoded by adding a small amount of overhead to effectively improve the coding gain.
26404 然而，基于传统的设计方法得到的编码包度数分布难以保证在这种情况下得到性能良好的码字。 However, based on the traditional design method to get the code package degree distribution is difficult to ensure to get good performance in this case the code word.