2019-11-02 14:39:13 +08:00
|
|
|
|
<!-- GFM-TOC -->
|
|
|
|
|
|
* [通信方式](#通信方式)
|
|
|
|
|
|
* [带通调制](#带通调制)
|
|
|
|
|
|
<!-- GFM-TOC -->
|
|
|
|
|
|
|
2019-03-27 20:57:37 +08:00
|
|
|
|
|
|
|
|
|
|
# 通信方式
|
2019-03-09 08:07:55 +08:00
|
|
|
|
|
|
|
|
|
|
根据信息在传输线上的传送方向，分为以下三种通信方式：
|
|
|
|
|
|
|
2019-03-27 20:57:37 +08:00
|
|
|
|
- 单工通信：单向传输
|
|
|
|
|
|
- 半双工通信：双向交替传输
|
|
|
|
|
|
- 全双工通信：双向同时传输
|
2019-03-09 08:07:55 +08:00
|
|
|
|
|
2019-03-27 20:57:37 +08:00
|
|
|
|
# 带通调制
|
2019-03-09 08:07:55 +08:00
|
|
|
|
|
|
|
|
|
|
模拟信号是连续的信号，数字信号是离散的信号。带通调制把数字信号转换为模拟信号。
|
|
|
|
|
|
|
2019-11-02 14:39:13 +08:00
|
|
|
|
<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/c34f4503-f62c-4043-9dc6-3e03288657df.jpg" width="500"/> </div><br>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2019-10-28 00:25:00 +08:00
|
|
|
|
|
2019-11-02 17:33:10 +08:00
|
|
|
|
<div align="center"><img width="320px" src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/githubio/公众号二维码-2.png"></img></div>
|
