ID 原文 译文
20495 仿真结果表明，与现有算法相比，所提算法能够有效均衡网络能量消耗，提高网络的传输效率，并且选取合适的数据包长度及节点密度可延长UAV蜂群的生存周期。 Simulation results show that the algorithm caneffectively balance the network energy consumption and improve the transmission efficiency of the networkwhen compared with the existing algorithm, and the lifetime of swarm can be extended when selecting theappropriate packet length and node density.
20496 针对极化码译码串行输出造成较大译码时延的问题，该文提出一种基于预译码的最大似然简化连续消除译码算法。 To solve the long decoding latency caused by the serial nature of the decoding of polar codes, a pre-decoding based maximum-likelihood simplified successive-cancellation decoding algorithm is proposed.
20497 首先对译码树节点存储的似然值进行符号提取并分组处理，得到符号向量组； First, the signs of the likelihood values stored in the decoding tree nodes are extracted and grouped to obtain symbol vectors.
20498 然后比较符号向量组与该节点的某些信息位的取值情况，发现向量组中储存的正负符号分布规律与该节点的中间信息位的取值具有一一对应的关系； Then comparing the symbol vectors and the values of some information bits, the distribution rules are found that positive and negative values stored in the vectors are one-to-one corresponding to the value of middle information bits of the node.
20499 在此基础上对组合码中间的1～2 bit进行预译码； Based on the above analysis, one or two bits in the middle of theconstituent code are pre-decoded.
20500 最后结合最大似然译码方法估计组合码中的剩余信息位，从而得到最终的译码结果。 Finally, the maximum likelihood decoding method is used to estimate the remaining information bits in the constituent code, and the final decoding results are obtained.
20501 仿真结果表明：在不影响误码性能的情况下，所提算法与已有的算法相比可有效降低译码时延。 Simulation results show that the proposed algorithm can effectively reduce the decoding delay compared with the existing algorithms without affecting the error performance.
20502 单脉冲雷达广泛用于导弹末制导以对飞机、舰船目标实施精确打击。 Monopulse radar is widely used in missile terminal guidance for precise attack onaircraft and ship targets.
20503 针对单脉冲雷达抗干扰性强的特点，该文采用交叉眼对单脉冲雷达进行干扰， In view of the strong anti-jamming capability of monopulse radar, the cross eye is used to interfere with monopulse radar.
20504 在考虑交叉眼的反向天线结构下，基于雷达方程、单脉冲雷达测角原理，以比相单脉冲雷达为干扰对象，对隔离目标回波和考虑目标回波下的两点源反向交叉眼干扰进行建模， Based on the radar equation and the principle of monopulse radar angle measurement, the retrodirective cross-eye interference of the isolated target and the two point source under the target echo are modeled.