13.2.1. Data Acquisition Errors

Try these first

1. 1.

   What is GPS multipath interference?

   Hint

   Think of how signals might reflect off buildings.

2. 2.

   Name one factor that causes geometric distortions in satellite images.

   Hint

   Consider how a moving camera might take a distorted picture.

3. 3.

   What is a major cause of GPS signal interference?

   • Weather conditions
   • Multipath interference
   • Poor batteries

   Hint

   Remember how signals can reflect.

4. 4.

   True or False: Geometric distortions can be caused by satellite movement.

   • True
   • False

   Hint

   Think of how a moving phone camera captures pictures.

5. 5.

   Evaluate the impact of GPS signal multipath interference in a crowded metropolitan area versus a rural area.

   Hint

   Consider the environment's layout.

6. 6.

   Propose solutions to geometric distortion issues when using satellite imagery for urban planning.

   Hint

   Think about both technology and planning.