Remote-Sensing Technologies and Data Processing Algorithms - New Ecoinformatics Tools in Environmental Science: Applications and Decision-making - page 133

Table 2.7 Miramap microwave sensor speci cations
Parameter/band X-band C-band L-band

Frequency (GHz) 15.2 5.5 1.4

Wavelength (cm) 2.0 5.5 21

Pixels/Scan 16 6 2

Incidence angle ( ° ) 30 30 15

Beam width ( ° ) 3.5 5 25

Polarization H H H

Sensitivity (K/s) 0.15 0.2 1

Absolute accuracy (K) ± 5 ± 5 ± 5

Table 2.8 Microwave Radiometer Mapping Company (Miramap, Noordwijk, the Netherlands):
Sensor specification
Sensor Type Wavelength Project specs Use

Digital photo
camera

Rollei AIC
50 mm lens

Visible
0.4

10 cm GSD sub-
pixel precision

Detailed visible
interpretation 0.7 μ

-

Lidar scanner Optech

altimeter

SW infrared
1,064 nm

2 cm GSD 0.1 m
precision

Elevation model

Passive micro-
wave scanner

Radius (IREE-
Vega design)

Microwave
2, 5, 21 cm

5 m GSD 0.15 K (Sub) surface detection
of wet and dry areas

Thermal
camera

Flir systems LW infrared

7.5

3 m GSD 0.1 ° C Surface temperature

13 μ

-

Table 2.9 Miramap company platforms and remote sensing instrumentation
Platforms/
instrumentation

Aircraft
laboratory

Unmanned
plane/helicopter

Specic
car/rover

In situ data collecting
instruments

Microwave radiometers Exists Exis Exists Exists

Infrared radiometers Exists Exists Exists Exists

Optical color digital
cameras

Exists Exists Exists Exists

Lidar (3-D) land surface
relief easurer

Exists No exists No exists No exists

Georadar No exists No exists Exists Exists

Table 2.10 Miramap product speci cations
Parameters Operating range Max abs error

Soil moisture (g/cm 3 )

0.02 0.5 0.07

-

Depth to water Table (m) 0.05 5 0.3 0.6

- -

Plant biomass (kg/m 2 ) 0 - 3 0.2

Pollutant concentrations (ppt) 1 30 1 5

- -