Light detection and ranging technology
OUTLINE
Introduction
LIDAR : what???
why???
how???
Ranging of LIDAR
Components
Basic principle of operation
Traditional photography Vs LIDAR
Advantages & Disadvantages of LIDAR
Application
Conclusion
References
What is lidar???
Light detection and ranging(LIDAR) is an optical Remote Sensing Technology that can measure the distance to an object or surface.

It is similar to Radar, but it incorporates l ....etc

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ABSTRACT



Light Detection and Ranging (LIDAR) have recently become the technologies of choice in mass production of Digital Elevation Models (DEMs), Digital Terrain Models (DTMs), and Triangulated Irregular Networks (TINs), referred to generically hereafter as DEMs. This paper presents lessons learned from LIDAR projects to date in various states. It addresses opportunities presented by LIDAR for generating DEMs as articulated by various user groups in the National Height Modernization Study. Finally, it summarizes actions required b ....etc

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Stereoscopic Passive Millimeter-Wave Imaging and Ranging

Thomas Lüthi and Christian Mätzler, Senior Member, IEEE



Abstract—

This paper presents the first stereoscopic range measurements
at a wavelength of 3.3 mmand discusses the accuracy of
this new method. The synthesis of passive millimeter-wave imaging
and stereoscopy combines the advantages of both principles, naturally
looking high-contrast images and superior poor-weather performance
(compared to visible and infrared ....etc

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1. INTRODUCTION
1.1 INTRODUCTION
The main aim of project is to implement radar using ultrasonic.The ultrasonic transmitter in the aerodrome will transmit the signals in the 360-degree circle, these signals will reflect back to the receiver when the airplane comes on transmitting line. The Direction Sensor gives the direction, which is sent to the microcontroller, which in turn sends to Computer through serial port. For communication between Computer and Microcontroller RS232 Converter is used. Microcontroller sends ....etc

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RADAR Radio Detection And Ranging

Radio Detection And Ranging ,in short RADAR relies on sending and receiving electromagnetic radiation, usually in the form of radio waves (see Radio) or microwaves. Electromagnetic radiation is energy that moves in waves at or near the speed of light. The characteristics of electromagnetic waves depend on their wavelength. Gamma rays and X rays have very short wavelengths.

Visible light is a tiny slice of the electromagnetic spectrum with wavelengths longer tha ....etc

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