NPOESS P3I

1
NPOESS P3IFollow-on Threshold Operational
Mission

• Point Design Performance Plots
• Using
• The Doppler Lidar Simulation Model (DLSM)

Simpson Weather Associates
2
Direct Detection Subsystem
3
Coherent Detection Subsystem
4
Reference Performance Profile
5
833 km Demo Mission
Direct Molecular (Background Aerosol)
Direct Molecular (Enhanced Aerosol)
Coherent (Background Aerosol)
Coherent (Enhanced Aerosol)
At a planned 10 duty cycle, the orbit average
for the Direct Molecular system is estimated to
be 250 watts
Note
6
400 km Threshold Mission (30 degree nadir)
Direct Molecular (Background Aerosol)
Direct Molecular (Enhanced Aerosol)
Coherent (Enhanced Aerosol)
Coherent (Background Aerosol)
Note
At a planned 10 duty cycle, the orbit average
for the Direct Molecular system is estimated to
be 250 watts
7
400 km Threshold Mission (45 degree nadir)
8
Space Wind Measurement Requirements - 1

meet or exceed
TBD
9
Issues for ISAL/IMDC

• What subsystems can be shared?
• What is the standby power requirement for the DD
  system?
• What are the scanner power requirements? Peak and
  average draw?