利用单片机实现无线电引信炸高精确控制

针对连续波多卜勒无线电引信炸高散布大、抗干扰性差等问题，研究设计了一种单片机引信系统．采用相关比较法提取目标信息；采用相除对消原理消除炸高散布因素；采用数字滤波、设置虚警门限及近目标接电技术进行抗干扰．仿真试验证明该电路效果良好，并具有抗早炸、抗缓变信号和大脉冲突增信号干扰的能力

APPLICATION FOR MICROCHIPCONTROLLER IN THE EXACT BURST HEIGHT CONTROL OF RADIO FUSES

The decision in the burst height of continuous doppler radio fuse is often disturbed and inhered with large dispersion. To solve this problem, a microchip controlled fuse system is designed. The methods of correlative comparison is used to extract target information. In order to remove influence factors of the burst height dispersion, the cancellation of influence by division is used. The digital filtering, false alarm threshold setting and proximity energizing technique is used to realize anti disturbance. Simulation test has proved that the function of circuit is fine and the circuit can protect the fuse against early burst, disturbance of slow changed signals and abruptly arised big pulse signals.