【摘要】 插值在信号处理领域有着广泛的应用,人们提出了各种插值算法。B样条插值是一种插值性能很好的算法,而且存在高效实现算法,易于硬件实现。文中对3次B样条插值进行了详细分析,研究了3步滤波的插值算法。通过对3次B样条插值和3次样条插值仿真结果进行比较,确定了最终实现算法。最后,用Verilog代码实现了该插值算法,并且用X ilinx公司的Vertex-Ⅱpro 100芯片进行了测试。更多还原

【Abstract】 Interpolation is widely employed in signal processing field,and various algorithms have been proposed.B spline interpolation is a well-performing algorithm,easy to implement in hardware architecture.Analysis of the B spline interpolation and study of its three-stage filtering implementation is presented in detail.The final algorithm is found by comparing cubic B spline and spline simulation results.Finally,the interpolation algorithm is realized in verilog hardware description language,and tested on Vertex-Ⅱ pro 100 chip of Xilinx Company.更多还原