what Bandpass filter is doing in Energy Detector

1 次查看（过去 30 天）
Talha Rahman
Talha Rahman 2011-8-23
Hello there, Since we all know that energy detection is blind technique that estimates the presence of signal in the spectrum. I would like know what bandpass filter does in energy detection as we dont have any information about signal and band, we want to scan for primary users. If it is really required in energy detection then what would be the bandwidth of frequency spectrum we wish our filter allow. thanx
Talha
  3 个评论
显示 1更早的评论
Arsalan
Arsalan 2013-2-3
If this is a cogntive radio problem. I guess the BW of the filter should match that of the signal which is to be transmitted.
Youssef Khmou
Youssef Khmou 2013-2-4
what kind of signal is that : random, deterministic, ergodic...? you have to know some preliminary information abut the signal, at least the Sampling frequency Fs, so as to correctly compute the Spectrum,PSD with Discrete Fourier Transform, from there you can configure the filter .

请先登录，再进行评论。

请先登录，再回答此问题。

回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Multirate Signal Processing 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by