Gps based vehicle tracking system thesis

Autonomous cruise control on VW Golf Intelligent Cruise Control ICC Nissan Serena Laser -based systems do not detect and track vehicles in adverse weather conditions nor do they reliably track dirty and therefore non-reflective vehicles. Laser-based sensors must be exposed, the sensor a fairly large black box is typically found in the lower grille, offset to one side. Radar-based sensors can be hidden behind plastic fascias; however, the fascias may look different from a vehicle without the feature.

Gps based vehicle tracking system thesis

The orbit is designed to be a terminator orbit, so that the local time at the nadir point is always either approximately sunset or sunrise. Figure shows the variation in path length as a function of elevation when the spacecraft is above the local horizon.

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The path loss due to range is defined by the equation This can be derived through the following: The power density in watts per square meter of an isotropic radiator is given by where r is the radius in meters of the sphere surrounding the isotropic radiator and pt is the transmitter power.

All power emitted by that isotropic radiator will be distributed equally on the surface of the sphere. A receiving antenna located on the surface of that sphere intercepts total power equal to the power density multiplied by the surface area of the receiving antenna as follows: It can also be shown that a transmitting antenna of effective area At which concentrates its gain within a small solid angle has an on-axis gain of where l is the wavelength of the radiation.

The receiving antenna has a gain too. Multiplying we get and this reduces to The distance and frequency-dependent term in the previous equation is the free-space path loss.

Inverting it and taking the log generates the path loss equation on the previous page. The Doppler frequency shift due to the spacecraft - CGS relative motion is derived first by determining the included angle between the spacecraft velocity vector and the spacecraft - CGS orientation vector.

With this angle information, it is a simple thing to calculate the portion of that velocity vector that is parallel to the spacecraft - CGS vector and thus calculate the Doppler shift. Due to geometry, these beams intersect the earth at approximate angles of Neglecting atmospheric losses, there is less than a 0.

Path Loss Variation Due to Atmospheric Effects The Earth's atmosphere varies strongly in temperature, density and composition as a function of altitude. The primary classification of the regions of the atmosphere is according to the temperature gradient. Radio waves that travel from space to earth encounter four distinct regions.

The first region is outer space itself; the next lower is the ionosphere, next lower is the stratosphere, and finally, where we all live and where all weather exists, the troposphere. Each layer has characteristics that affect the propagation of radio waves.

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For our purposes, outer space provides lossless radio wave transmission. The ionosphere exists from to km above the ground. Here the pressure is low enough that the ultraviolet radiation that impinges on the earth from the sun causes a thin plasma to form as it separates electrons from atoms and molecules.

These free electrons can affect a radio wave through effects such as Faraday rotation, reflection and absorption.

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The stratosphere resides between about 15 km and 60 km.The project is designed to find out the exact location of any vehicle and intimate the position to the concerned authority about through an SMS.

This system includes a GPS modem which retrieves the location of a vehicle in terms of its longitude and latitude. Gps navigation –basedVehicleTrackingSystem-on-Nick Gps navigationbasedvehicletrackingsystemthesis.

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Gps based vehicle tracking system thesis

Convexicon Software Solutions is often considered as the most reliable (Global Positioning System) GPS based bike and other vehicle tracking system service provider in India. Abstract.

Teseo-LIV3F - Tiny GNSS module - STMicroelectronics

The Internet of Things (IoT) is defined as a paradigm in which objects equipped with sensors, actuators, and processors communicate with each other to serve a meaningful purpose. The ships’ first and most important mission package isn’t officially listed. It consists of a small but very cross-trained crew.

LCSs were intended to operate with a core crew of 40 sailors, plus a mission module detachment of 15 and an aviation detachment of Find helpful customer reviews and review ratings for Canmore GTFL-S USB GPS Tracker Stick Data Logger (Built-in Rechargeable battery, WAAS, A-GPS, , Waypoints, 65 channels, Windows XP / Vista / 7 Compatible) at Read honest and unbiased product reviews from our users.

Internet of Things: Architectures, Protocols, and Applications