| ID | 原文 | 译文 |
| 8074 | 仿真结果表明,相比LT码的传统编译码方法,采用PRSD-MB方法可以大大降低误比特率,提高编译码效率。 | The simulation results show that compared with the traditional method of compiled code LT codes, PRSD - MB method can greatly reduce the bit error rate, improve the efficiency of compiled code. |
| 8075 | 无人机航迹规划作为一个规模大、约束多、指标多的优化问题,其复杂性导致自动规划比较困难。 | Unmanned aerial vehicle (uav) flight path planning as a large scale, constraints, indexes of optimization problem, its complexity in automatic programming is hard. |
| 8076 | 构建了基于局部极坐标的水平航迹控制变量和基于特定平飞段飞行高度的纵向航迹控制变量,以水平航迹控制变量为优化变量,采用分步规划的策略,建立了基于人工免疫克隆选择算法的无人机航迹自动规划模型。 | Constructed based on local level of polar track control variable and based on specific level flight altitude of vertical track control variables, with the level track control variables as optimization variables, the planning strategy step by step, based on artificial immune clone selection algorithm of uav automatic track programming model. |
| 8077 | 该模型能够充分发挥计算机速度快、容量大的特点,能够对基于预处理结果的人工规划方法进行一定程度的改进。 | This model can give full play to the characteristics of computer speed, large capacity, the ability to artificial planning method based on preprocessing result to a certain degree of improvement. |
| 8078 | 仿真结果验证了模型的可行性和有效性。 | The simulation results verify the feasibility and validity of the model. |
| 8079 | 多输入多输出(multiple input multiple output,MIMO)雷达研制中的一项关键内容便是提高所发射信号的正交性能,离散频率编码波形(discrete frequency coded waveform,DFCW)信号是一种常见的MIMO雷达信号,但其自相关旁瓣峰值(autocorrelation sidelobe peak,ASP)一般较高,约为0.21(-13.6dB),不利于微弱目标检测。 | Multiple input multiple output (multiple input multiple output, MIMO) is a key content of radar design to improve the transmitting performance of orthogonal, discrete frequency coding waveform (discrete 'frequency coded waveform, DFCW) signals is a common MIMO radar signal, but its autocorrelation sidelobe peak (autocorrelation sidelobe peak, ASP) generally high, about 0.21 (13.6 dB), does not favor the weak target detection. |
| 8080 | 通过Lorenz混沌系统构造离散频率编码序列,并将DFCW的子脉冲内部构造为线性调频(linear frequency modulation,LFM)信号,使其自相关性能相较于DFCW信号明显提升。 | Through Lorenz chaos system to construct the discrete frequency coding sequence, and sub pulse DFCW internal structure for linear frequency modulation (linear frequency modulation, LFM) signal, the autocorrelation properties improved significantly compared with DFCW signal. |
| 8081 | 在此基础上,采用脉间分集方法不仅使其抗截获和抗干扰能力提高,而且在多脉冲压缩积累后的输出结果具有更低的旁瓣峰值,从而提高检测性能。 | On this basis, the diversity between pulse method is used not only to improve its resistance to intercept and anti-jamming capability by, and after the accumulation of multiple pulse compression output with lower sidelobe peak, so as to improve the detection performance. |
| 8082 | 针对固定多波束扩频测控信号同步和波束扫描问题,提出了一种快速同步及波束扫描实现方法。 | For fixed multibeam spread spectrum tt&c signals synchronous and beam scanning problem, this paper proposes a method to realize fast synchronization and beam scanning. |
| 8083 | 该方法通过时分复用结构的部分相关匹配滤波和延迟锁定环,可实现大频偏情况下的快速伪码同步。 | The part of the structure of the method by time division multiplexing correlation matched filtering and delay lock loop, it can realize the big deviation cases of pn code synchronization quickly. |