Industry News

Home > NEWS > Industry News

Company News

Industry News

Mobile GPS data processing

source:Industry News release time:2022-11-09 Hits:     Popular:realtime gps tracker online

  G500M-Mini GPS Tracker

  The collection process of GPS data will be affected by many external factors, which will lead to errors in the quality of GPS data. The causes of these errors are mostly unavoidable, so the impact on mobile GPS data is unavoidable. Therefore, mobile GPS data cannot be directly used to estimate and forecast traffic flow. Otherwise, if the data with large error is directly used to estimate the average speed of traffic flow, the accuracy of estimation will be greatly affected due to error transmission. In order to reduce the adverse effects of data errors, the original data should be processed first.

  The original data can be divided into two types according to the degree of impact: one is data with small deviation, and the other is data with errors. Different measures should be taken to preprocess different data. Wrong data should be eliminated; The data with slight deviation should be corrected to ensure that the data can be projected onto a reasonable road network. Error data is usually caused by serious interference of GPS satellite signals during transmission, such as sudden changes in relatively dense large buildings, dense forest trees or electromagnetic waves, which make the positioning data seriously deviate from the historical track. Because this kind of data can hardly reflect the driving situation of the vehicle, it can not represent the correct position of the vehicle and needs to be deleted from the original data. For such errors, the threshold test method is usually used to judge. This method assumes that the reasonable value of vehicle speed is a fixed range. When a certain speed exceeds this reasonable range, it means that the data is incorrect and needs to be eliminated. The deviation data is usually caused by GPS positioning error, which often happens, and such data should be considered as normal data. This kind of data also needs to be modified, and the usual method is the algorithm of electronic map matching [4,5]. This method projects the mobile GPS data on the map, and makes a vertical line to the matching road section according to the projected data points, so the intersection point with the matching road section is the matching position of the data point


Read recommendations:

Hidden GPS Trackers supplier

Gps speed limiter wholesaler

G500L -4G OBD GPS Tracker

Why does a rechargeable GPS positioning tracker go offline as soon as it stops.car gps tracker

Car GPS locator.gps tracker with magnet sales

Last article:GPS navigation signal

Next article:GPS system verification

Related Information

mini gps tracker manufacture

2023-04-23

real-time gps tracking manufacturer

2023-04-23

Pet GPS Tracker custom

2023-04-11

real-time gps tracking Processing

2023-04-23

GPS Tracker sales

2023-04-11

Dog gps tracker

2023-04-11

Magnetic gps tracker distributors

2023-03-16

fleet gps tracking custom

2023-04-23

Car gps tracking Processing

2023-04-23

real-time gps tracking Manufacturing

2023-04-23

G500L -4G OBD GPS Tracker

2022-09-06

Mini Sized GPS Tracker PCBA

2022-06-17

YG119- Hunting Dog GPS tracker

2023-10-07

10000mAh Magnetic Asset GPS Tracker

2025-04-08

TK103B

2022-06-20

Composition and characteristics of GPS system

2022-11-07

How to determine whether the car is equipped with a GPS positioner?trailer gps tracker Manufacturing

2023-03-17

What is GPS dual -frequency positioning?plug & play Obd gps tracker wholesale

2023-03-11

Issues that need attention during the purchase of GPS vehicle terminals.plug & play Obd gps trac

2023-03-28

What can GPS do besides navigation?

2022-08-25

Differences between GPS cold start and hot start

2022-12-30

What are the types of driving recorders?GPS Tracker for vehicles Manufacturing

2023-04-14

GPS receiver work principle.gps tracker no monthly fee Manufacturing

2023-04-23

GPS centralized procurement layer.realtime gps tracker online manufacturer

2023-08-16

Composition of GPS PXI acquisition equipment system

2022-11-11

Car GPS Navigation System

2022-11-04

The Development of GPS in the New Century

2022-09-24

The manufacturer believes how to determine the radar, GPS, Beidou and radio positioning.gps tracker

2023-06-17

mini gps tracker.GPS positioning terminal selection and fixation

2023-10-14

GPS power consumption and noise

2022-09-01