Questions tagged [time-of-arrival]
8 questions
5
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Subsample Time Delay Estimation
Often we need to estimate the time difference of arrival between two signals to find the location of a target. Many algorithms gives the time delay corresponding to a sample number or time delay is a function of the sampling frequency. To get away…
Creator
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Blind TDOA Estimation
I am not EE or DSP engineer, however I am working on a project that uses TDOA estimation for location finding. I am able to get the localization algorithm working using cross correlation to estimate TDOA.
The challenge is that the receivers are…
Anke
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2
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1 answer
Source Localization with the BLUE Estimator
I'm trying to implement BLUE estimator in MATLAB for source localization and after my research I've come up with a theoretical example in Steven Kay's "Fundamentals of Statistical Signal Processing: Estimation Theory" book (Example 6.3).
In this…
sfw monster
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Ultrasonic TDoA / ToA Measurement?
I am trying to make an ultrasonic flowmeter. The device has two ultrasonic tranducers (resonance frequency of about 200kHz) that sample one ultrasonic signal in the upstream directon and then immediately after one signal in the downstream direction.…
dsparateRealities
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Matlab: xcorr: Having trouble when I try to calculate delay between two sinusoids
I have a problem when I try to use Matlab built-in function for cross-correlation 'xcorr'.
Background: I created two sinusoids, one of them delayed in time. I choose center frequencies of these signals slightly different than another. In this way, I…
user26052
0
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1 answer
Varying phase shift between two signals
I have two microphones separated by a distance d placed in end-fire configuration.
Audio input data was played from the front side (i.e corresponding to 0 degrees.)
The data picked by microphone1 and microphone2 is then plotted in MATLAB and…
Deepa
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Transceiver for TDoA measurements
Could someone advise me on some module for making the TDoA position system for my research work? I need to have measurements with an accuracy of a few meters. It equals a bandwidth of about 20 MHz. I guess there are some modules of 2.4 GHz with such…
0
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Determine reflections from received signal
I have a reference signal $r(t)$ and the correlation between that reference signal and the received signal : $C_{XR}(\tau)$. The signal I receive contains reflections on walls. I have to build a synthetic signal $s(t)$ with the addition of…
Jon
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