超宽带微功率冲激雷达接收机的优化及实现

为实现一种真正平衡的采样接收机,并解决以往接收机存在的采样模板脉冲泄漏问题,设计了一种新的平衡采样头。通过分析模板信号宽度对检测效率的影响,结合实际微功率冲激雷达(MIR)采样接收机所需考虑的事项,优化了模板信号的波形和宽度,并实际生成了平衡模板信号,最终实现了所提出的采样接收机。测量结果显示,在M IR系统低于120 mW功耗的前提下,可将其作用距离扩展至30 m。

Optimization and Implementation of Ultra-wideband Impulse Radar Receiver

To realize a true balance sampling receiver and resolve the pulse leakage of template signal in former receivers,a novel sampling-head is proposed.By analyzing the influence of template signal on detection efficiency,and combining with some consideration in impulse radar(MIR) sampling receiver design,the length and width of template signal are optimized,and the real balance template signal is generated.The proposed sampling receiver is also implemented.The test results show that the range of this sampling receiver reaches 30 m when power consumption of MIR system is less than 120 mW.