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Questions tagged [trilateration]

The process of determinating absolute or relative locations of points by measurement of distances

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Doing high-fidelity trilateration in R [closed]

Is there a way to do high-fidelity trilateration in R (naturally, I'll be using latitudes and longitudes)? I'm not looking to solve a specific problem, but rather identify tools that are capable of ...
Aegis's user avatar
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Trilateration using latitude/longitude points, and distances

I want to find out an unknown target location (latitude and longitude co-ordinates). There are +3 lat-long known points and for each point a distance in meters to the target location. I found some ...
ajanx's user avatar
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1 answer
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Minimum number of satellites per constellation in Multi-constellation Navigation

Relating to my previous question, I'm trying to understand how the LS method work for multi-constellation GNSS trilateration/multilateration. I understand for 2 constellations, trilateration require ...
Shawn Lim's user avatar
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1 answer
103 views

Multi-Constellation GNSS Trilateration Code Error

I’m trying to implement a multi-constellation trilateration code in Python to test an anti-spoofing mechanism. With reference of a single trilateration from this Github page, I attempted to execute a ...
Shawn Lim's user avatar
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1 vote
1 answer
606 views

Calculating coordinates of points from just distances, no bearings

The task I'm giving myself is about enabling people with little equipment to produce a map of a forest, or a garden with an important presence of trees. I participate to openstreetmap and I plan to (...
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1 vote
1 answer
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Trilateration using known points, but relative distances

I want to find the latitude and longitude of a point, based on knowing three nearby locations, similar to this well written post: Trilateration using 3 latitude and longitude points, and 3 distances ...
Sukuma's user avatar
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1 answer
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Does height difference between beacons results in a more accurate 3D position localisation?

I'm kinda fresh on the trilateration/triangulation topic. If you place 4 beacons in each corner of a room at the same height or if you place them on different heights relative to each other will ...
user3488736's user avatar
1 vote
0 answers
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walk me through tdoa [closed]

I'm working on a TDOA application. This is just something in my free time to see if my hardware can accurately do it and it sounded like a cool challenge. Regardless if it looks possible or not, I'm ...
John Sly's user avatar
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6 votes
0 answers
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Trilateration with error account or lack of precision

I am developing a node.js/javascript application where I would have dozens of beacons in a row (positions known), which gives me their distances to specific object (3 or 4 distances per object). The ...
chemabuss's user avatar
1 vote
1 answer
1k views

Clarification about Trilateration

What is the method used by wikipedia to solve Trilateration problem, is it the Linear Least Square? or is it just a direct solution of a set of linear equation systeme with exact distance? but in this ...
Noureddine's user avatar
1 vote
0 answers
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Set of intersection points in trilateration / multilateration [duplicate]

Like in this post I will get a set of points (3 or more) with latitude, longitude and distance (in KM) information to find out the target location. A distance could be about 500 KM. The circles (...
Mario90's user avatar
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1 vote
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Calculate an intersection point of multiple spheres on the surface of earth [duplicate]

The question i am going to ask is very much similar to this question-How to calculate the intersection of 2 Circles? But the problem here is, the radius of the spheres are too small (within 8 meter). ...
SOMNATH KAYAL's user avatar
1 vote
0 answers
4k views

Trilateration using 3 x,y points and 3 distances, all in cm [closed]

I want to find out the position (x,y) of a given point, knowing the distance from 3 x,y points. Below you can view the x,y coordinates and their given distances in cm. B1x = 795 B1y = 332 B1d = 245....
Jonathan Davies's user avatar
2 votes
0 answers
2k views

localization by trilateration ( weighted nonlinear least squares )

I am writing an app for beacon localization and I am looking for a formula which, given beacons of known positions and distance from target, finds the target position. eg. given beacon1 located at (...
beaconbeacon's user avatar
5 votes
1 answer
938 views

Plotting points that have relative coordinates rather than total station coordinates on map?

I have about +100 points of various descriptions from an archaeological survey. They are the backlog from years of excavations BEFORE systematically using Total Station at the site. For each artifact ...
JPDA's user avatar
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Trilateration using two or three points

We have a positioning system where we can measure our range without 0.1m from multiple beacons. The placement of the beacons is about on a 1-2km box. So we could get anywhere from 2-4 ranges from ...
user33277's user avatar
0 votes
1 answer
767 views

How does the radius work in Trilateration

I've been trying to understand the trilateration algorithm based on the wikipedia article. As of now, I have a system where I have the distance of 3 sensors wrt my position and i have the exact GPS ...
raaj's user avatar
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4 votes
3 answers
31k views

Converting from an x-y coordinate system to latitude/longitude

I'm building an indoor wifi-based tracking system that can calculate the position of a device in meters relative to the sensors distributed throughout the building. So far I've gotten to the point ...
thanby's user avatar
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1 vote
1 answer
407 views

Bilateration using longitude, latitude

I have 2 coordinates (Longitude and Latitude) and a distance from them to a third coordinate. How is it possible to calculate the longitude and latitude (probably 2 possibilities) of the third ...
toothpick's user avatar
5 votes
2 answers
7k views

Multilateration Code

I am currently writing some code to do multilateration using TDOA and currently struggling and wondering if anyone has any reference code that can be used as a test case with some sample data that I ...
Lee Armstrong's user avatar
2 votes
1 answer
979 views

Pure html based indoor navigation

I would like to locate (position) people inside buildings without forcing them to download a native app. I'm focusing on iOS and Android devices. I therefore thought about wifi triangulation (...
Flavien Volken's user avatar
3 votes
0 answers
84 views

Given distances from two locations how to accurately find geographic coordinates [duplicate]

I am working on a research problem which requires me to calculate a geographic location accurately (with error distance of few meters), given distances from two geographic locations. For instance: ...
Chetan's user avatar
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3 answers
2k views

Trilateration algorithm for n amount of points in R?

I read the page Trilateration algorithm for n amount of points and I have to do similar kind of trilateration in R. I am not that expert in R, can anyone help, if there is similar function/package ...
Hack_man's user avatar
1 vote
0 answers
1k views

Trilateration issue

My program isn't making use of any geographical data, but I'm hoping that the users experience in the subject can help me with my current issue. The project I am working is trying to locate a user in ...
N0xus's user avatar
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1 vote
0 answers
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Math algorithm for n amount points in objective-c

I need some information about the Answer on an earlier Question. I need this calculation for an iOS App. I have three points with different Circles. I understand the problem and your solution. But i ...
Mando Statti's user avatar
1 vote
1 answer
1k views

Long range Trilateration from 3 lat, long, range

I've been looking at the following solution to a similar problem Trilateration using 3 latitude and longitude points, and 3 distances However with my problem the 3 points are spread over a large ...
YMDW's user avatar
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12 votes
3 answers
2k views

How can I use ArcGIS 10.1 to find a geodesic equidistant point defined by three points?

For example, I have coordinates for three base points on a coastline and I need to find the coordinates of the point off the coast which is equidistant from all three. It’s a simple exercise in ...
Grease's user avatar
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2 votes
1 answer
2k views

Trilateration 3D - Vincenty's Formula

with reference to Trilateration using 3 latitude and longitude points, and 3 distances. The accepted answer was votes as shown in wikipedia in conjunction with a conversion to radians before and ...
user2160518's user avatar
7 votes
0 answers
175 views

Iterating model to create 3 buffers around three points and find their intersection (trilateration) in ArcMap [duplicate]

This past summer I recorded the location of a large number of plants I was working with by calculating the distance from each plant to each of 3 tripods for which I have GPS coordinates. I'm trying to ...
Brian's user avatar
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4 votes
1 answer
1k views

Trilateration on a Sphere, given 2 points and 2 distances

Given the points: A) N 38° 38.000 W 90° 20.000 B) N 38° 39.000 W 90° 21.000 (I can calculate the distance between the 2 using a spherical earth model as 7710 feet, though it's not particularly ...
Brad Urani's user avatar
41 votes
3 answers
79k views

Differences between triangulation and trilateration

Looking around I noticed that many people interchange the terms (triangulation and trilateration) for the same sense. What is the correct sense of Triangulation and what are the differences from ...
adev's user avatar
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