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Active In SP

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Joined: Feb 2010
20-02-2010, 10:18 PM

SIR, please send me the full details about LADAR and ppts, if there.
project report tiger
Active In SP

Posts: 1,062
Joined: Feb 2010
21-02-2010, 12:14 PM

.ppt   LADAR.ppt (Size: 844.5 KB / Downloads: 216)



LADAR “ Laser Detection And Ranging
Operates on same principle as that of RADAR
Combines capabilities of radar & Optical system
Operates at shorter wavelength


Nd:YAG in military application (R=2000m to10k.m.)
Chemical lasers(penetrates through fog & smoke)
Solid state laser

Methods to Judge Distances with Ladar
1.Measuring the time between
transmission and return of a signal
2.Measuring the intensity of
the returned signal
3.Using stereo vision
4.Using Laser striping
5.Using optical flow


1.Mixed Pixels
2.Reflectance Crosstalk
3.Temporal Mixing
4.Photon Noise
5.Intensity Drift
6.Dark Obstacles
7.Other Considerations


Provides higher resolution
Very narrow beam spread
Fewer sources of interference
Better ability to track deccelerating object


¢ Depends on weather
¢ Depends on reflection of the surface
¢ Difficult to track the target
¢ Particles in air will affect the range


Atmospheric pollution measurement
Construction imaging and mapping
Eye surgery
Land surveying
Vehicle speed measurement


Ladar is, in the correct environment, better suited for speed detection
Ladar is not perfect, however
There is still room for Radar patrolling
seminar presentation
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Joined: Apr 2010
21-05-2010, 07:35 PM

The acronym of LADAR (Laser Detection and Ranging) is LIDAR (Light Detection And Ranging) which is an optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target,Applications of LIDAR include ALSM (Airborne Laser Swath Mapping), laser altimetry or LIDAR Contour Mapping. and the range to an object is determined by measuring the time delay between transmission of a pulse and detection of the reflected signal

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