ID |
原文 |
译文 |
26545 |
该方法将Agent所处位置和目标任务之间的距离以及信息素控制因子引入蚁群算法。 |
This method will Agent the location and the distance between the target task and pheromone control factor into the ant colony algorithm. |
26546 |
实验结果表明,该方法相比没有引入距离因子的协作方法,协作效率更高; |
Compared the experimental results show that the method has no distance factor method of collaboration, cooperation is more efficient; |
26547 |
相比没有引入控制因子的协作方法,可有效防止任务死锁发生。 |
Than introducing collaborative control factor, which can effectively prevent task deadlock occurs. |
26548 |
针对星载雷达对弹道目标跟踪模式的选择问题,在建立星载雷达对空间轨道目标跟踪所需坐标系的基础上,给出了先转换后绝对运动状态跟踪和先相对运动状态跟踪后转换两种跟踪模式,分析了两种模式的测量误差传递特性以及状态模型建立的难易程度。 |
For spaceborne radar for ballistic target tracking mode selection, in establishing the space orbit space-borne radar target tracking needed to coordinate system, on the basis of given first transformed absolute motion tracking and relative motion tracking after converting two tracking modes, analyses the measuring error transfer characteristics of two kinds of model and state model. |
26549 |
最后对两种模式的跟踪精度进行了仿真实验,仿真结果表明,相比于前一种模式,后一种模式的跟踪性能获得了明显的改善。 |
Finally, the tracking precision of the two modes are simulated experiment, the simulation results show that compared with the previous model, a model of tracking performance after got obvious improvement. |
26550 |
研究结果能为星载雷达对弹道目标跟踪模式的选择提供设计依据。 |
The results for spaceborne radar to provide design basis for the selection of ballistic target tracking mode. |
26551 |
针对现有水声通信系统抗干扰性能不佳和易受多普勒效应影响的问题,提出了基于分数阶Fourier变换的脉冲位置调制(fractional Fourier transform-pulse position modulation,FRFT-PPM)的水声通信系统方案及分数阶域多普勒效应补偿方法。 |
The poor anti-jamming performance of underwater acoustic communication system at present and the influence of the doppler effect on, put forward the pulse position modulation based on fractional Fourier transform, fractional Fourier transform - pulse position modulation, FRFT - PPM) of underwater acoustic communication system solutions and fractional domain doppler compensation method. |
26552 |
FRFT-PPM水声通信系统采用线性调频(linear frequency modulation,LFM)信号作为通信载波,借用PPM原理将信息调制到分数阶域脉冲位置中进行传输,具有通信速率可调,最高可达1.6kbit/s,抗噪声干扰能力强的优点。 |
FRFT - PPM underwater acoustic communication system using linear frequency modulation (linear frequency modulation, LFM) signals as the communication carrier, use principle of PPM modulation of information to be transmitted in fractional domain pulse position, has the communication speed is adjustable, up to 1. 6 kbit/s, the advantages of strong ability to resist noise. |
26553 |
根据LFM信号较大多普勒容限和分数阶Fourier变换尺度变换特性,采用分数阶域分数阶域峰值位置补偿来抑制相对运动产生的多普勒效应。 |
According to most of LFM signal is doppler tolerance and fractional Fourier transform scale transform characteristics, using the fractional domain of fractional domain peak position compensation to suppress the relative motion of the doppler effect. |
26554 |
通过大量计算机仿真和湖试试验,验证了FRFT-PPM通信系统及分数阶域多普勒效应补偿算法的有效性与可行性。 |
Through a lot of computer simulation and lake test, verify the FRFT - PPM communication system and fractional domain doppler compensation algorithm is effective and feasible. |