打开App
360P
如何测试线缆延时？不止TDR时域反射计测试
传输时延这个参数相对来说好理解，信号从一端传输到另外一端所需要消耗的时间，时延值小说明线缆比较短传输速度就比较快，如果时延值大，那就说明线缆长或者线缆质量较差，本期视频给大家介绍了3种测试方法，建议收藏！
电子工程师必读小知识5/68
App03:07
App03:22
App04:42
App02:41
App05:11
App04:13
App02:46
App03:27
App05:15
App01:59
App02:23
App03:14
App02:42
App03:47
App02:13
App02:16
App03:51
App03:23
App05:19
App02:34
App01:59
App05:16
App07:05
App02:03![[射频入门5]1分钟教你 什么是数字调制？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/ed8fd51f2feb40afa3bad823d130db9b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241126080352DD5EFBA7147C8A5A76EE&requestFrom=704&version_code=80402&x-expires=1764115432&x-signature=FXTB4SMxf6ddrF833kBAbXfha38%3D)
App01:46![[射频入门3]快速学会什么是调制](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/2333d6d9cdf14f5597764eeadc965e1c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241126080352DD5EFBA7147C8A5A76EE&requestFrom=704&version_code=80402&x-expires=1764115432&x-signature=6PMRv%2Fk7%2B5u5JXq9IESl4Gl8d%2B4%3D)
App00:57
App01:03
App01:35![[射频入门4]1分钟教你什么是模拟调制](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/bccdd4dac19845dca190d3424c2e364a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20241126080352DD5EFBA7147C8A5A76EE&requestFrom=704&version_code=80402&x-expires=1764115432&x-signature=3ZSz2hnRapZzi%2BxxPG8%2BQWo6iFo%3D)
App00:47
App03:25
App00:57打开App观看
