ID 原文 译文
8104 最后进行仿真验证,结果表明该方法能有效利用空射诱饵弹对目标进行欺骗,提高我方战斗机在被导弹攻击过程中的生存力。 Validation, the simulation results show that this method can effectively utilize air-launched decoy flare to cheat goal, improve our fighter in the viability in the process of missile attack.
8105 针对太赫兹无线局域网络,为满足网络中对数据传输性能的要求,提出一种媒体访问控制(medium access control,MAC)层协议超帧结构。 For terahertz wireless local area network, to meet the requirements of the network for data transmission performance, put forward a kind of media access control (medium access control, MAC layer protocol frame structure.
8106 在新超帧结构的基础上,进一步提出3种优化机制,分别是自适应动态调整竞争接入时段的长度、合并申请量的免申请预分配时隙和删除冗余控制字段。 On the basis of the new super frame structure, further put forward three kinds of optimization mechanism, respectively is the length of the access time adaptive dynamic adjustment competition, merger filings exemption application pre-allocated slots and delete redundant control field.
8107 通过采用OPNET仿真软件,对新提出的优化后的MAC层协议进行了仿真验证,并将仿真结果与现有的能够应用于太赫兹超高速无线网络的高吞吐量低时延MAC(high-throughput low-delay MAC,HLMAC)协议和IEEE 802.15.3c标准协议进行了比较。 By using OPNET simulation software, the optimization of the proposed MAC layer protocol simulation verification, and is applied to the simulation results with existing can terahertz ultra-high speed high throughput and low delay of wireless network MAC (high - throughput, low delay MAC, HLMAC) protocol and IEEE 802.15.3 c standard are compared.
8108 仿真结果表明,所提的MAC协议相较于HLMAC协议和IEEE 802.15.3c标准协议在网络吞吐量方面的性能得到了约3.45%和11.11%的优化提升,在平均接入时延方面的性能提升了约28%和50%,而在数据帧的传送成功率方面的性能也得到了约3.3%和10.6%的提升效果。 Simulation results show that the proposed MAC protocol compared with HLMAC and IEEE 802.15.3 c standard protocol in network throughput performance improved about 3.45% and 11.11% of the optimization, performance improvement in terms of average access delay of about 28% and 50%, and in terms of success rate of transfer of a data frame of performance has gained about 3.3% and 10.6% improvement effect.
8109 研究多普勒及多普勒变化率对辐射源个体识别性能的影响,对多普勒及多普勒变化率对个体识别性能的恶化进行了量化分析。 Doppler and doppler rate affect the performance of emitter individual identification, the doppler and doppler rate for individual identification performance deterioration in the quantitative analysis.
8110 分析表明存在多普勒及多普勒变化率的情况下,用于个体识别的信号长度越长受多普勒的影响便越大。 The analysis showed that exists doppler and doppler rate, the longer the length of the signal for individual recognition by the bigger the doppler effect.
8111 推导了多普勒对辐射源个体识别性能影响的表达式,给出了典型星载条件下可用于辐射源个体识别的信号长度,并针对常见调制类型进行了仿真分析。 Doppler was deduced expressions of emitter individual identification performance impact, gives a typical spaceborne condition can be used in the signal length of emitter individual identification, and the simulation analysis for common modulation type.
8112 针对多平台信息支持下,空基探测平台等外部平台相对地基平台信息精度降低,以及数据率降低带来目标机动误差影响增大,导致防空导弹武器导引头中末制导交班概率降低的问题,建立了空基平台探测信息误差传递模型,运用"当前"统计模型和转换坐标卡尔曼滤波,对目标机动进行预测。 For multi-platform information support, air detection platform, such as the external platform relative foundation platform information accuracy is reduced, and the data rate to reduce the impact target maneuver error increases, lead to air defense missile seeker in the terminal guidance to reduce the probability of problems succession, space-based platform error detection information transmission model is established, using the "current" statistical model and transformation coordinate kalman filtering, prediction of target maneuver.
8113 基于目标位置预测,推导采用导引头搜索交班算法,进行了交班性能仿真。 The seeker are derived based on the target location prediction search algorithm, the succession to the succession simulation performance.