使用STM32系列微控制器进行数字滤波分析  

Use STM32 Series Microcontrollers for Digital Filter Analysis

作　　者：李红艳 李远航 黄庆茹 Li Hongyan;Li Yuanhang;Huang Qingru(Electronic Engineering College,Northwest Minzu University,Lanzhou 730124,Gansu Province)

机构地区：[1]西北民族大学电气工程学院,甘肃兰州730124

出　　处：《中阿科技论坛（中英文）》2020年第11期105-107,共3页China-Arab States Science and Technology Forum

摘　　要：本文使用STM32F4微控制器对数字信号处理算法的实现进行了分析。在测试期间,将STM32F407 Discovery模块与WM5102 Wolfson声卡一起使用,检查算法的速度和计算的准确性,并使用LMS自适应滤波器或Analog Discovery 2设备测试了数字滤波器的质量。This paper introduces the analysis of digital signal processing algorithm using STM32F4 microcontroller.Various programming techniques have been demonstrated for the implementation of FIR filters and FFT computing based on Cortex microcontroller software interface standards.we will use STM32F407Discovery module with WM5102Wolfson sound card during testing.Check the speed of the algorithm and the accuracy of the calculation.The quality of digital filters was tested using LMS adaptive filters or Analog Discovery 2 devices.

关 键 词：数字滤波器 快速傅立叶变换 信息系统 

分 类 号：TM571[电气工程—电器]