兵工自动化
兵工自動化
병공자동화
ORDNANCE INDUSTRY AUTOMATION
2014年
9期
68-71,93
,共5页
无线电引信%速度补偿%波形熵%免疫克隆选择算法%距离像
無線電引信%速度補償%波形熵%免疫剋隆選擇算法%距離像
무선전인신%속도보상%파형적%면역극륭선택산법%거리상
radio fuse%velocity compensation%waveform entropy%immune clone selection algorithm%range profile
针对多频无线电引信中子脉冲回波的相位变化会造成距离像输出产生误差的问题,提出一种实现多频无线电引线距离像速度补偿的方法。通过建立速度补偿准则,给出一次相位项和二次相位项变化时一维距离像不失真条件,将波形熵与免疫科隆选择算法进行结合,以波形熵为搜索的亲和度函数,以速度补偿准则为约束条件,采用免疫克隆选择算法完成搜索,消除径向相对速度对一维距离像的影响,并对速度补偿算法进行仿真。仿真结果表明:与传统的时域相关法相比,该算法提高了补偿精度,同时降低了对采样点数的依赖性,可实现全局搜索,具有较好的收敛性。
針對多頻無線電引信中子脈遲迴波的相位變化會造成距離像輸齣產生誤差的問題,提齣一種實現多頻無線電引線距離像速度補償的方法。通過建立速度補償準則,給齣一次相位項和二次相位項變化時一維距離像不失真條件,將波形熵與免疫科隆選擇算法進行結閤,以波形熵為搜索的親和度函數,以速度補償準則為約束條件,採用免疫剋隆選擇算法完成搜索,消除徑嚮相對速度對一維距離像的影響,併對速度補償算法進行倣真。倣真結果錶明:與傳統的時域相關法相比,該算法提高瞭補償精度,同時降低瞭對採樣點數的依賴性,可實現全跼搜索,具有較好的收斂性。
침대다빈무선전인신중자맥충회파적상위변화회조성거리상수출산생오차적문제,제출일충실현다빈무선전인선거리상속도보상적방법。통과건립속도보상준칙,급출일차상위항화이차상위항변화시일유거리상불실진조건,장파형적여면역과륭선택산법진행결합,이파형적위수색적친화도함수,이속도보상준칙위약속조건,채용면역극륭선택산법완성수색,소제경향상대속도대일유거리상적영향,병대속도보상산법진행방진。방진결과표명:여전통적시역상관법상비,해산법제고료보상정도,동시강저료대채양점수적의뢰성,가실현전국수색,구유교호적수렴성。
The phase change of sub-pulse echo in multi frequency radio fuse causes range profile output error, and put forwards a method of multi frequency radio fuse range profile velocity compensation method. Through building velocity compensation rule that is when once term and quadratic term change the range profile is not distorted. The waveform entropy and immune clone selection algorithm are united. Waveform entropy as fitness function and velocity compensation rule as constraint conditions. Use immune clone selection algorithm completes searching in order to eliminate the influence of radial velocity on the range profile and achieve velocity compensation of multi frequency radio fuse range profile. The simulation results show that: compared with the traditional time domain correlation method, this algorithm can improve the compensation precision, reduce the dependence on sampling points, realize global search and has great convergence.