CAJ | 학술논문

针对激光制导信号中的编码没有重复规律的伪随机编码,提出了一种基于传统辗转相减法的改进算法.该算法根据收到的相邻威胁脉冲时间间隔的最大公约数,找到其最小周期,并不断和接收到的信号相比较以纠正误差,并推导了算法停止的关键值limit.通过modelsim进行了仿真验证,达到了预期解码识别的目的.在硬件上,基于XILINX FPGA实现,表明利用该算法可以接收较少的制导信号就能有效地识别出伪随机编码的最小周期,从而能以此为周期发出高频诱骗脉冲,达到准确诱骗的目的.
침대격광제도신호중적편마몰유중복규률적위수궤편마,제출료일충기우전통전전상감법적개진산법.해산법근거수도적상린위협맥충시간간격적최대공약수,조도기최소주기,병불단화접수도적신호상비교이규정오차,병추도료산법정지적관건치limit.통과modelsim진행료방진험증,체도료예기해마식별적목적.재경건상,기우XILINX FPGA실현,표명이용해산법가이접수교소적제도신호취능유효지식별출위수궤편마적최소주기,종이능이차위주기발출고빈유편맥충,체도준학유편적목적.
According to the pseudo-random code without repeating rule in the laser guidance signal,introduced a modified method to calculate the least period of the guidance signal based on the traditional continuous minus method.The algorithm found the least period based on the greatest common divisor of the received adjacent threaten pulse time space,and compared with the received signal continually to correct the error,and then deduced the key value which shows when to stop the algorithm.Used the modelsim to simulate the algorithm,and gain the expected decoding and identifying end.In the hardware,implemented based on the XILINX FPGA which indicates the algorithm can identify the least period of the pseudo-random code with receiving a small quantity of guidance signal,and then launches the high frequency spoofing pulse to cheat the enemy accurately.