Four key function units, finite impulse responsefilter, signal decimation, nonuniformity correction unit and asynchronous clock interfacebased on pingpang operation, are devised and simulated.

• 设计了有限脉冲响应滤波器、信号抽取器、非均匀性校正单元和基于乒乓操作的异步时钟域接口等四个核心功能单元,并且完成了功能仿真。