算法开发、数据可视化、数据分析以及数值计算的高级技术计算语言和交互式环境。本文在MATLAB环境下实现各常用数字滤波算法并讨论了各滤波算法的特点及其选用原则。针对冲击测试仪采样数据的噪声干扰特点，挑选出合适的算法对冲击测试采样数据进行滤波，分析比较各滤波算法的实际滤波效果并且进行相关优化以实现更优的滤波效果。论文的主要内容：第一章、绪论主要介绍了有关动态信号分析仪的课题背景、国内外发展情况，课题的研究意义及创新点等。第二章、介绍了数字滤波的基本原理、常用滤波算法分类与特点、频谱分析基本原理和环境噪声的相关知识。第三章、主要介绍各滤波算法的参数选择和具体设计流程，并对各算法的滤波效果进行分析比较。第四章、对冲击测试常用滤波算法实现和滤波效果的分析总结及前景展望。
关键词：数字信号处理、数字滤波、滤波算法、MATLAB
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