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Advanced Land Observing Satellite developed by NEC is monitoring the Earth's environment.
What is the Advanced Land Observing Satellite(ALOS) "Daichi"?
Main purposes:
- Creating maps in the Asia-Pacific region
- Regional observation to contribute to the monitoring of the global environment, including global warming
- Monitoring the status of damages in large-scale disasters
- Searching for resources in collaboration with related surveys
- Technological development required for global observation in the future
Sensor technologies:
- PRISM:
A sensor that can recognize buildings from space
Because the sensor can observe the Earth's surface in high resolution, it can recognize man-made objects such as homes and trains even from an altitude of 700 km. It can also make observations from three directions at once, so can capture images of the Earth's surface in three dimensions.
- AVNIR-2:
A sensor that can quickly gather information using an oscillating function
In the case of disasters and other emergencies, it is sometimes necessary to observe areas other than those directly under the satellite. The AVNIR-2 has an oscillating function that enables it to quickly seek out the target region in the event of a disaster, and gather data from the affected areas. No matter where it is, it can send images to the Earth in as little as two days.
- PALSAR:
A high-performance radar that can see the Earth's surface even in complete darkness or through cloud cover
PALSAR transmits its own microwaves, and determines the conditions on the Earth's surface based on the strength of the reflected waves, to accurately observe various phenomena even in total darkness.
