如何增大调制信号峰均比概述

[{"attributes":{"color":"#121212"},"insert":"这里均以是德"},{"attributes":{"color":"#222222"},"insert":"N5182B.N7624C.N9020B"},{"attributes":{"color":"#121212"},"insert":"为例,介绍如何改变信号峰均比以满足不同测试要求."},{"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"一般情况下为适应某些测试要求,需要"},{"attributes":{"color":"#000000","bold":true},"insert":"减小信号峰均比"},{"attributes":{"color":"#000000"},"insert":",那么可通过减小N7624C软件里的Clip项值(默认是100%),可调范围为10%至100%,如下图所示"},{"insert":"\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2033/b5a4da9c6313b940.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2033/0d3fafd1e013831a.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"为适应某些特殊测试要求,需要增大"},{"attributes":{"color":"#000000","bold":true},"insert":"信号峰均比"},{"attributes":{"color":"#000000"},"insert":"该怎么办呢?"},{"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"一般当信号带宽和调制方式确定后其信号峰均比也是固定的.这时就需要通过以下两种方式来实现增大峰均比:"},{"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"1,增大信号带宽和载波数."},{"insert":"\n"},{"attributes":{"color":"#000000"},"insert":"2.改为更复杂调制方式.如下图所示"},{"insert":"\n"},{"insert":{"image":"https://community-1252773949.cos.ap-guangzhou.myqcloud.com/article/2033/175add6236f14e58.png"}},{"attributes":{"align":"center"},"insert":"\n"},{"insert":"——转自 君鉴科技/贾利锋"},{"attributes":{"align":"right"},"insert":"\n"}]