Podcast
Questions and Answers
What is the primary function of a microwave altimeter?
What is the primary function of a microwave altimeter?
- To compute an object's height above a stable point (correct)
- To measure the speed of wind
- To detect sea ice and land contamination
- To measure the depth of the sea surface
What is the term associated with the computation of depth beneath the sea surface?
What is the term associated with the computation of depth beneath the sea surface?
- Scatterometry
- Altimetry
- Radiometry
- Bathymetry (correct)
What type of systems are more affected by rain, especially in Ku-band systems?
What type of systems are more affected by rain, especially in Ku-band systems?
- Microwave scatterometers (correct)
- Microwave radiometers
- Microwave sensors
- Microwave altimeters
What is the name of the device that computes an object's height above a stable point?
What is the name of the device that computes an object's height above a stable point?
What is the principle of operation of microwave altimeters?
What is the principle of operation of microwave altimeters?
What is the primary purpose of microwave scatterometers?
What is the primary purpose of microwave scatterometers?
What is the primary factor that affects the intensity of backscattered energy in scatterometry?
What is the primary factor that affects the intensity of backscattered energy in scatterometry?
What is the typical resolution of wind maps produced by scatterometers?
What is the typical resolution of wind maps produced by scatterometers?
What is the advantage of using microwave scatterometers in terms of weather conditions?
What is the advantage of using microwave scatterometers in terms of weather conditions?
What is the relationship between wind stress and the size of surface ripples on the ocean?
What is the relationship between wind stress and the size of surface ripples on the ocean?
What type of technique did the ERS and NSCAT instruments employ for wind retrieval?
What type of technique did the ERS and NSCAT instruments employ for wind retrieval?
What is the primary application of scatterometer data in weather forecasting?
What is the primary application of scatterometer data in weather forecasting?
What is the approximate daily coverage of global oceans by a single scatterometer instrument?
What is the approximate daily coverage of global oceans by a single scatterometer instrument?
What is an emerging application of scatterometer data beyond ocean winds?
What is an emerging application of scatterometer data beyond ocean winds?
Which of the following scatterometers is onboard the Metop satellite?
Which of the following scatterometers is onboard the Metop satellite?
What is the primary application of the dependence on the incidence angle in microwave scatterometry?
What is the primary application of the dependence on the incidence angle in microwave scatterometry?
What is the main difference between fan beam scatterometers and rotating pencil beam scatterometers?
What is the main difference between fan beam scatterometers and rotating pencil beam scatterometers?
Which of the following situations can compromise the quality of scatterometer winds?
Which of the following situations can compromise the quality of scatterometer winds?
What is the primary advantage of microwave scatterometers over other wind measurement techniques?
What is the primary advantage of microwave scatterometers over other wind measurement techniques?
Which of the following instruments is an example of a fan beam scatterometer?
Which of the following instruments is an example of a fan beam scatterometer?