How GPS Satellites Work
What is GPS and How Does it Work ? GPS stands for Global Positioning System. It was originally called Navstar GPS. GPS is a satellite based navigation system owned by…
What is GPS and How Does it Work ? GPS stands for Global Positioning System. It was originally called Navstar GPS. GPS is a satellite based navigation system owned by…
What is the Role Of Satellite in Remote Sensing? Satellites are important in Remote Sensing to acquire information about the Earth’s surface without getting into direct contact with it. Satellites…
What is Resolution in Remote Sensing Resolution in remote sensing refers to the amount of information that can be found in the image. Therefore, the higher the resolution, the higher…
Remote Sensing is divided into two types. Active Remote Sensing and Passive Remote Sensing. Remote Sensing is the process of acquiring information about the physical characteristics of the Earth's surface…
What is DGPS? DGPS or Differential GPS is a technique used to improve and enhance the accuracy of the Global Positioning System ( GPS ). The nominal accuracy of a…
Remote sensing technologies have uplifted and revolutionized human life and plays an important role in shaping the world around us. There are several technologies used in remote sensing and the…
In Astronomy, the Doppler effect is used to determine if a galaxy or a star is approaching us or moving away from us. The Doppler effect is also used to…
What Is LIDAR ? LIDAR stands for Light Detection and Ranging. It is used in generating 2d and 3d maps of the environment primarily by using two measurement techniques, TOF…
What is Sonar ? Sonar Stands for Sound Navigation And Ranging. It is a technique used mostly to explore and map the ocean bed and detect objects under the ocean.…
Comparison2D LIDAR3D LIDARNumber of light beams emittedOne beam of lightSeveral beams of lightAxis of focus during light beam emissionX and Y axes (horizontal plane)X, Y, and Z axes (vertical plane)CostLess…