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一般在大多数仪器如矢量信号发生器,信号分析仪这个术语过采样因子有什么意义?
并且插值和过采样因子都是相同的。 插值用于数字意义或连续意义。 以上来自于谷歌翻译 以下为原文 generally in most instruments like vector signal generator,signal analyzer what is the significance of the term oversampling factor? and will interpolation and oversampling factor both are same . and interpolation is used in digital sense or continuos sense . |
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在这里,我附上了一个包含QAM星座散点图的mat文件。所以请给我解释为什么会这样,因为QAM是数字的,所以它只有4个数字点。并且我有相同的输入
在解调后给出星座图我只得到了4点。那为什么会发生? 谢谢 以上来自于谷歌翻译 以下为原文 Here I am attaching one mat file which contain scatter plot for QAM constellation .So please give me the explanation why it is coming like this because in QAM which is digital so it shoul only 4 digital points .and with the same input for which I have given constellation plot after demodulation I am getting only 4 point .So why it is happening ?? Thanks 附件
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kingnet_5220 发表于 2019-1-10 09:55 我相信你的帖子在错误的论坛。 您发布的论坛是关于射频矢量网络分析仪。 我建议你可以寻找一个更合适的论坛。 总的来说,我曾经发现http://www.edaboard.com/非常适合电子产品。 我最近没有使用它,但我没有理由相信它会改变。 唯一的缺点是不断涌现的懒惰学生希望你为他们做功课。 我有时会要求他们给我讲他们讲师的电子邮件地址,这样我就可以直接向讲师提交答案,省去了转发我的电子邮件的麻烦。 戴夫 以上来自于谷歌翻译 以下为原文 I believe your posts are in the wrong forum. The forum you have posted to is about radio frequency vector network analyzers. I suggest you might hunt for a more appropriate forum. On the whole, I used to find http://www.edaboard.com/ pretty good for electronics. I have not used it lately, but I have no reason to believe it would have changed. The only downside is the constant stream of lazy students that want you to do their homework for them. I sometimes ask them to give me the email address of their lecturer so I can submit the answer directly to the lecturer, saving them the hassle of forwarding my email. Dave |
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