Microwave Remote Sensor

Source: Internet
Author: User
Tags radar

Microwave remote sensor features: around the clock, not affected by the weather

Therefore, almost all satellites launched after 1991 were equipped with several microwave sensors.

1. Microwave Remote Sensor Classification

Passive remote sensor: microwave radiation meter: Observation of sea surface, sea water, atmosphere, etc.

Active remote sensor: Microwave Scattering meter: Observation of soil moisture, surface roughness, waves, Phoenix, etc.

Rainfall radar and cloud radar: observing rainfall intensity and vertical cloud layer distribution

Microwave height: Observe the sea surface shape, current, and tide.

Imaging Radar (Synthetic Aperture/real aperture): Observation of the surface and waves

2. Band and main measurement objects of the Active Microwave Remote Sensor

Frequency/GHz Measurement object
L: 1 ~ 2 Waves
S: 3 ~ 4 Geology
C: 4 ~ 8 Soil Moisture
X: 8 ~ 12 Rainfall
Ku: 12 ~ 18 Wind, ice, Earth level
K: 18 ~ 27 Vegetation
KA: 27 ~ 40 Snow
W: near 75

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