【摘要】 介绍利用复杂可编程逻辑器件CPLD和直接数字合成专用电路DDS,设计雷达信号回波模拟器的硬件系统。该系统能够模拟雷达的回波信号,代替实际目标来检测雷达的性能,减少了雷达系统的设计周期。AD9858芯片的利用,进一步使该解决方案的速度加快,满足了低相位噪音、快速频率切换等要求。更多还原

【Abstract】 Introduce how to design hardware system structure of radar signal echo simulator by using CPLD and DDS.This system can imitate the radar’s echo signal and examine the radar’s function instead of the real object.It can reduce the cycle of radar system’s designing.The use of AD9858 clip will further accelerate the speed of resolution plan and satisfy the need of low-phased noise and fast-frequency switch.更多还原