Inpulse scattering from scale model targets are performed in a shielded anechoic chamber. The measurement was performed with a sampling oscilloscope, a pulse generator, and two TEM horn antennas. 利用取样示波器,脉冲源和两个TEM喇叭天线在暗室对目标模型的脉冲散射进行实验。
A high-speed sampling system for echo signal of impulse GPR based on equivalent time sampling method is presented, and significant circuits including step sampling pulse generator and sampling gate circuit are designed. 提出了一种基于等效时间采样方法的冲击型探地雷达回波信号高速采样系统,设计实现了等效时间采样的关键电路,包括步进采样脉冲发生器、采样门电路。
This paper analyzes the influence of M/ T measuring speed sampling period TS and pulse light generator on the accuracy of the system control and the dynamic characteristics and proposes their game. 定量研究M/T法测速采样周期Ts和光码盘P值对系统控制精度、动态特性的影响及对策。