清空筛选条件
清空筛选条件

Time Delay of Arrival

3 次查看（过去 30 天）
Dennis
Dennis 2012-2-24
回答： Linas Svilainis 2019-12-2
hi there, I want to find time delay of a real time source using 2 channel microphone. First of all, I need to record the source in real time, then calculate it's delay using matlab. So, I don't have any idea to do that. Could someone help me , please.

请先登录，再回答此问题。

回答（2 个）

Honglei Chen
Honglei Chen 2012-2-24
  1. record the data.
  2. read the data into MATLAB
  3. do a cross correlation between two channels and translate the lag to time
  2 个评论
Dennis
Dennis 2012-2-24
how to do step 3?
Wayne King
Wayne King 2012-2-24
Have you looked at the documentation for xcorr?

请先登录，再进行评论。

Linas Svilainis
Linas Svilainis 2019-12-2
Try two functions below:
GetTOFfftPhase
GetTOFcos(MySignal,RefSignal)
Those do exactly what you need with subsample resolution

类别

在 Help Center 和 File Exchange 中查找有关 Correlation and Convolution 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