网络物理层数据交换的相关内容

文章 2024-03-07 来自：开发者社区

【计算机网络--物理层】编码和调制与数据交换方式

基带信号与宽带信号信道：某个方向信号传输信道上传送信号分类：基带信号来自信源的信号（可以是数字信号，模拟信号），将数字信号01直接用不同电压表示，送到数字信道上去传输（基带传输）直接表达了要传输的信息比如声波，计算机输出的代表各种文字图像的信号都是基带信号宽...

共有2条

< 1 >

跳转至： GO

更新时间 2024-03-08 14:19:54

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

网络您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1sxMI2rr1gK0jSZFDXXb9yVXa-200-200.png","contentLink":"https://www.aliyun.com/product/vpc","title":"专有网络 VPC","des":"专有网络 VPC 帮助您基于阿里云构建出一个隔离的网络环境，并可以自定义IP 地址范围、网段、路由表和网关等；此外，也可以通过专线/VPN/GRE等连接方式实现云上VPC与传统IDC的互联，构建混合云业务。","link1":"https://vpc.console.aliyun.com/?spm=5176.14468259.nav-right.91.21017341mrNdLP","btn1":"产品控制台","link2":"https://buy.aliyun.com/vpc?spm=5176.7937172.632920.btn1.181c5a86JFCwLN","btn2":"立即开通","btn3":"产品文档","link3":"https://help.aliyun.com/product/27706.html?spm=5176.7937172.632925.1.181c5a86JFCwLN","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/54095.html?spm=a2c4g.11174283.6.554.36fd6dd406apvV","lastContentLink":"https://help.aliyun.com/document_detail/185508.html?spm=a2c4g.11174283.6.954.36fd6dd406apvV"}},{"infoName":"精选推荐","infoContent":{"firstContentName":"私网连接申请公测","firstContentLink":"https://www.aliyun.com/product/network/privatelink?spm=5176.7937172.632920.btn2.181c5a86JFCwLN","lastContentLink":"","lastContentName":""}},{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/57946.html?spm=a2c4g.11174283.6.693.36fd6dd406apvV","firstContentName":"混访混挂迁移示例","lastContentName":"ECS实例迁移","lastContentLink":"https://help.aliyun.com/document_detail/57954.html?spm=a2c4g.11174283.6.694.36fd6dd406apvV"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/product/news?spm=5176.7937172.1265182.211view.181c5a86JFCwLN&category=10&product=116","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1sxMI2rr1gK0jSZFDXXb9yVXa-200-200.png","contentLink":"https://www.aliyun.com/product/vpc","title":"专有网络 VPC","des":"专有网络 VPC 帮助您基于阿里云构建出一个隔离的网络环境，并可以自定义IP 地址范围、网段、路由表和网关等；此外，也可以通过专线/VPN/GRE等连接方式实现云上VPC与传统IDC的互联，构建混合云业务。","link1":"https://vpc.console.aliyun.com/?spm=5176.14468259.nav-right.91.21017341mrNdLP","btn1":"产品控制台","link2":"https://buy.aliyun.com/vpc?spm=5176.7937172.632920.btn1.181c5a86JFCwLN","btn2":"立即开通","btn3":"产品文档","link3":"https://help.aliyun.com/product/27706.html?spm=5176.7937172.632925.1.181c5a86JFCwLN","infoGroup":[{"infoName":"产品入门","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/54095.html?spm=a2c4g.11174283.6.554.36fd6dd406apvV","lastContentLink":"https://help.aliyun.com/document_detail/185508.html?spm=a2c4g.11174283.6.954.36fd6dd406apvV"}},{"infoName":"精选推荐","infoContent":{"firstContentName":"私网连接申请公测","firstContentLink":"https://www.aliyun.com/product/network/privatelink?spm=5176.7937172.632920.btn2.181c5a86JFCwLN","lastContentLink":"","lastContentName":""}},{"infoName":"最佳实践","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/57946.html?spm=a2c4g.11174283.6.693.36fd6dd406apvV","firstContentName":"混访混挂迁移示例","lastContentName":"ECS实例迁移","lastContentLink":"https://help.aliyun.com/document_detail/57954.html?spm=a2c4g.11174283.6.694.36fd6dd406apvV"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/product/news?spm=5176.7937172.1265182.211view.181c5a86JFCwLN&category=10&product=116","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}