基于傅里叶分解合成的大学物理实验常见信号产生原理分析  

Analysis of Common Signal Generation Principle in University Physics Experiment Based on Fourier Decomposition and Synthesis

作　　者：孙国威 刘忠民[1] 徐元国 郭琴[1] SUN Guowei;LIU Zhongmin;XU Yuanguo;GUO Qin(Jiangxi Normal University,Nanchang 330022,China)

机构地区：[1]江西师范大学,江西南昌330022

出　　处：《大学物理实验》2022年第6期122-126,共5页Physical Experiment of College

基　　金：2021年江西省学位与研究生教育教学改革研究项目(JXYJG-2021-062)。

摘　　要：实验教学时,正弦波等信号是如何产生的?许多学生感到迷茫。本文从信号合成及电路整流滤波两方面简要讨论如何获得所需的信号,从而帮助学生基于理论高度对正弦波等信号的产生原理有一定认知。本文在激发学生学习兴趣和培养学生探究能力方面有一定积极作用。How are these signals generated in experimental teaching?Many students feel lost.It briefly discusses how to get the signal we need from the signal synthesis and circuit rectification filter two aspects,so that we can roughly understand the source of the signal in the relevant experiment,has a positive role for students to deeply understand the experiment.

关 键 词：傅里叶级数 正弦波信号 方波信号 锯齿波信号 三角波信号 

分 类 号：O4-34[理学—物理]