基于FPGA的Keystone变换算法设计和实现

针对雷达目标长时间相参积累产生距离单元的走动问题，雷达信号处理引入了Keystone变换来补偿距离单元的走动。但完整实现Keystone变换计算量需求较大，工程实现困难。文中提出一种基于FPGA的 Keystone变换的工程设计和实现方法，对Keystone算法进行仿真与分析，采用了一种简化算法实现的设计计算过程，大幅减小了整个过程的计算量。通过完成硬件代码设计仿真验证，表明了该算法能进一步在工程实践中应用。

Design and Implementation of Keystone Transform Base on FPGA

Lont time coherent integration is used for target detect will result in range cell crossing。So,In signal process of Radar,an effective way is to employ Keystone transform to slove the problem.But the reality of the Keystone transform is very difficulty,because it need mass of compute work.Base on FPGA,this paper take a method for reality the transform.After the simulation and analysis the Keystone transform,give the comput process of the simplify method，compute work has dropped off sharply. After the design code is done,the result is verify this theory,It indicatethe all condition is meet,and the theory can be used in engineering.