For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?

Related Mcqs:

1. Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?

   A. Six ground stations
   B. Five ground stations
   C. Four ground stations
   D. Three ground stations

2. Earth observations from a satellite platform provide____________?

   A. Synoptic view of a large area
   B. Constant solar zenith angles and similar illumination conditions
   C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
   D. All of these

3. The altitudinal distance of a geostationary satellite from the earth is about_________________?

   A. 26,000 km
   B. 30,000 km
   C. 36,000 km
   D. 44,000 km

4. Which one of the following helps to identify the objects on the earth surface ?

   A. Atmospheric window
   B. Signature
   C. Radiometric error
   D. None of these

5. The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called________________?

   A. Sensors
   B. Passive sensors
   C. Active sensors
   D. None of these

6. Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena________________?

   A. Cloud evolution
   B. Vegetative cover
   C. Snow cover
   D. All of these

7. The normal altitude of GPS satellite is about________________?

   A. 16,200 km
   B. 20,200 km
   C. 24,400 km
   D. 36,100 km

8. Consider the following statements regarding the satellite imaging_________________?

   1. The satellite orbit is fixed in the inertial space
   2. During successive across-track imaging, the earth rotates beneath the sensor
   3. The satellite images a skewed area
   Which one of the following statements is/are correct?

   A. 1, 2, 3
   B. 1, 3
   C. 2, 3
   D. 1, 2

9. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is_______________?

   A. 8
   B. 12
   C. 16
   D. 24

10. Which one of the following geometric errors of satellite sensors is random ?

    A. Scan skew
    B. Panoramic distortion
    C. Earth rotation
    D. Altitude variation