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Signal Processing

Questions tagged [localization]

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52 questions
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I have two equations, I want to understand the basics behind combining the two equations in order to get the third equation $$ d(f_1, \phi_1) = \frac{c \phi_1}{4 \pi f_1} \bmod \frac{c}{2 f_1} \tag 1 ...
Malay's user avatar
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I'm concerning the Cramer Rao bound for target localization considering angularly correlated Radar Cross-Section (RCS). Considering multistatic sensing, e.g. target localization, (refer to [ghb2010]) ...
Moonie's user avatar
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The received echo signal at the radar receiver can be given as follows, $$y=\alpha \textbf{b}(\theta)\textbf{a}^T(\theta)s(t-\tau)+n,$$ where $\alpha$ is the amplitude related to the target's RCS and ...
Moonie's user avatar
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For a radar, it receives echo signal from a target, given as $$y=\alpha \textbf{b}(\theta)\textbf{a}^T(\theta)s(t-\tau)+n,$$ where $\alpha$ is the amplitude related to the target's RCS and so on, $\...
Moonie's user avatar
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I am doing the work to find the cramer-rao bound when the estimator is biased. The algorithm I am based on is from Rethinking Biased Estimation: Improving Maximum Likelihood and the Cram´er–Rao Bound, ...
Loco Citato's user avatar
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Does TDOA based localization give estimated local coordinates with both positive and negative range error. Let me explain When i obtain localized coordinates using TDOA of moving object, sometimes the ...
Hamayun_06's user avatar
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I need to compute the Signal Correlation Time of an audio signal to check wether time-delay estimations are anomalous. In paper The Signal correlation time is defined as the width of the main lobe of ...
Luca's user avatar
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1 answer
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how to set sound location left/right (in mono audio) and azimuth (up/down) of the wave? I know there are a lot of different libraries doing that, but I'm interested in some minimal examples to ...
tempdeltavalue's user avatar
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How can I correct multipath propagation for LTE signals generated from different eNodeBs? My end goal is to implement localization of my USRP using LTE or FM signals. Currently I am carrying out a few ...
Ahsan Yousaf's user avatar
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1 vote
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This is in the context of mobile device localization. The mobile device does not move. All I have is the delay estimated from the signal sent by the mobile device ('measure' in blue). With a simple ...
Rokai's user avatar
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4 votes
3 answers
777 views

I am trying to locate the sound source using MUSIC algorithm in a circular microphone array. The array that I am using is "ReSpeaker Mic Array - Far-field w/7 PDM Microphones", and the ...
Kamal's user avatar
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Every paper/article I've read on the subject of TDOA localization is concerned with some combination of 2+ stationary receivers (or, sometimes, 1 stationary + 1 moving). There are also some papers ...
tkroman's user avatar
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I have a situation where a linear array of sensors monitoring near field sources has had one of the sensors bumped so that the sensor position is off by a smallish amount and is not in its original ...
Jason K.'s user avatar
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I've recently asked a similar question aiming at the same problem on Math.SE, for which I've set a bounty. Problem. I have a radio calibration transmitter with known fixed location $\langle t_x, t_y, ...
10GeV's user avatar
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To locate a transmitter, I use a localization based on TDOA(Chan's method) with 3 receivers. The results obtained are not effective. What is a possible solution to improve the localization accuracy ...
user63134's user avatar
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