檢視调频波的原始碼

{| class="wikitable" align="right"
|-
| style="background: #FF2400" align= center|  '''<big>调频波</big>'''
|-
|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimage80.360doc.com%2FDownloadImg%2F2014%2F11%2F2815%2F47550690_3.jpg&refer=http%3A%2F%2Fimage80.360doc.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1666131899&t=c5bc51a5eddf5fa7ef23a8fef8570505 width="300"></center>
<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%B0%83%E9%A2%91%E6%B3%A2&step_word=&hs=0&pn=2&spn=0&di=7117150749552803841&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=1571321150%2C2974173641&os=371689252%2C380132861&simid=4232917998%2C891344367&adpicid=0&lpn=0&ln=1082&fr=&fmq=1663539920595_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fimage80.360doc.com%2FDownloadImg%2F2014%2F11%2F2815%2F47550690_3.jpg%26refer%3Dhttp%3A%2F%2Fimage80.360doc.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1666131899%26t%3Dc5bc51a5eddf5fa7ef23a8fef8570505&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bnma15v_z%26e3Bv54AzdH3Fv5gpjgpAzdH3F89AzdH3F88dbAzdH3F8cAzdH3Fdam9dm8l_9db0c8cll_z%26e3Bfip4s&gsm=3&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCw0LDMsMSwyLDYsNSw3LDgsOQ%3D%3D 来自 呢图网 的图片]</small>
|-
| style="background: #FF2400" align= center|  '''<big></big>'''

|-

| align= light|

中文名；调频波

外文名；FM

特点；频率随调制信号振幅的变化而变化

提出者；约翰.卓宁

提出年代；20世纪60年代
|}

'''调频波'''是指为了利用波的传播特性来传递信息，将所需传递的信息(例如,[[语言]]、音乐或图像信号)对波的频率进行调制，频率被调制的波称为调频波。接收端只要对调频波的频率解调，即可得到该波所携带的信息，因为外界的噪声干扰对[[频率]]的干扰很小，因此被解调的信号质量较高。<ref>[https://wenku.so.com/d/7097df2a690bc9bfaa61958b360904e8 调频波的表达式.doc ], 360文库, 2021年4月4日</ref>