Vaisala Oyj Class A · OMXHEX:VAIAS
Vaisala Oyj Class A — Technical Presentation (October 2007)
24 slides from Vaisala Oyj Class A's technical presentation, October 2007
Slide 1: Vaisala LAP-8000, Mid Troposphere Wind Profiler
Vaisala LAP®- 8000, Mid Troposphere Wind Profiler
Slide 2: Vaisala Wind Profiler Portfolio
Vaisala Wind Profiler Portfolio Max Height dependent on atmospheric scattering conditions Tropospheric Wind Profilers 20 000 m Typical measurement range Not Measurable. Min Height dependent on clutter environment and 16 000 m available RF bandwidth 100 hPa Mid-Tropospheric 10 000 m Wind Profiler 8 0
Slide 3: Cooperative Research & Development Agreement (CRADA)
Cooperative Research & Development Agreement (CRADA) Vaisala is Commercial Provider of U.S. Government (National Oceanic and Atmospheric Administration = NOAA) • NOAA is the world’s leading Institute in Radar technology Advancements in Wind Profiler Technology • Use of the latest Technology (hardwar
Slide 4: LAP-8000, Mid Troposphere Wind Profiler
LAP®-8000, Mid Troposphere Wind Profiler 8 000 m Operating Frequency: 5 500 m 440 - 490 MHz 500 hPa 449 or 482 MHz Recommended 1 500 m Key Customer segments: Defense 500 m Research 300m Meso-scale Forecasting 50 m Regional/Synoptic Modeling Max Height Dependent on atmospheric scattering conditions a
Slide 5: LAP-8000, 449 MHz Mid Troposphere WP, Ft. Huachuca AZ
LAP®-8000, 449 MHz Mid Troposphere WP, Ft. Huahuca AZ Antenna 8 x 8 Meters ©Vaisala | date | Ref. code | Page 5
Slide 6: Specifications
Specifications -Minimum Detection Altitude 300 m, depending on atmospheric conditions -Maximum Detection Altitude 6-8 km, depending on atmospheric conditions -Vertical resolution • 100 - 1000 m in low mode • 300 - 1000 m in high mode -Wind speed accuracy - <1 m/s -Wind direction accuracy - <10° -Tra
Slide 7: LAP-8000 Antenna
LAP-8000 Antenna •Coaxial collinear • 12 x 12 = 144 elements •Antenna aperture 28 m2 = 6 x 6 m •Gain 29 dB@449 MHz ©Vaisala | date | Ref. code | Page 7
Slide 8: LAP-8000 Configuration
LAP-8000 Configuration •LAP processing • Radar processor – Digital IF architecture – LAP-XM software • Transmitter • Antenna •Options: • RASS – For virtual temperature measurements • Hardware monitor • Graph-XM – Graphical visualization • LAPMom – Advanced Moments display software ©Vaisala | date |
Slide 9: LAP-XM application software
LAP-XM application software •Acquiring and processing new signal data •Computing, displaying and saving meteorological data products •Converting data products to new formats •Monitoring data products •Controlling operation of the profiler from remote locations •Generates wind and temperature outputs
Slide 10: Digital IF receiver
Digital IF receiver és VAISALA
Slide 11: Exclusively-Licensed Digital IF Technology
Exclusively-Licensed Digital IF Technology Profiler RF infrastructure New Digital IF hardware Modulator, IF, and Interface unit ©Vaisala | date | Ref. code | Page 11
Slide 12: Digital Receiver
Digital Receiver •Employs state-of-the art digital signal processing hardware •Provides enhanced system performance – improved dynamic range – high signal sensitivity – improved data quality •Supports an expanded software set – Wavelets - eliminate clutter effects caused by Aircraft, Birds, Ground C
Slide 13: Example of Wavelet Clutter Rejection
Example of Wavelet Clutter Rejection Before Wavelet: After Wavelet: Wavelet eliminates much of the clutter Bird interference due to birds ©Vaisala | date | Ref. code | Page 13
Slide 14: Example of Winds With Multiple Peak Picking Algorithm
Example of Winds With Multiple Peak Picking Algorithm “Standard” peak selection MPP Dramatically Improves Wind Data Quality ©Vaisala | date | Ref. code | Page 14
Slide 15: Wind profiler options
Wind profiler options és VAISALA
Slide 16: Wind profiler options
Wind profiler options •RASS • For virtual temperature measurements •Graph-XMTM display software • For graphical data representation •LapMOM™ moments display software • For graphical moments data representation •GPS timing • For autonomous, precise timekeeping •Hardware Monitor • To monitor the condi
Slide 17: Optional RASS
Optional RASS •Radio Acoustic Sounding System (RASS) • Provides profiles of virtual temperature • Achieved by transmitting a short acoustic energy source vertically • Tone burst travels as a compression wave with the speed of sound upwards in the atmosphere • Wind profiler measures the speed of prop
Slide 18: LAP-8000 RASS specifications
LAP-8000 RASS specifications •Minimum height: 300 m, depending on clutter environment and available RF bandwidth •Maximum height: 1-2.5 km, depending on atmospheric scattering conditions •Range resolution: 60, 100, 200, 400 m •Temperature measurement uncertainty: 1°C ©Vaisala | date | Ref. code | Pa
Slide 19: Optional Graph-XM Display Software
Optional Graph-XMTM Display Software Graph-XMTM provides graphical displays of wind and temperature data • Provides visualization displays of: – wind barb, wind vectors and temperature – As symbols or color contours – vertical profile data spectral width – SNR (Signal to Noise) – radial velocity Man
Slide 20: Example Graph-XM Display Multi-Level Shear Layers
Example Graph®-XM Display Multi-Level Shear Layers ©Vaisala | date | Ref. code | Page 20
Slide 21: Optional LapMOM Display Software
Optional LapMOMTM Display Software Graph-XMTM provides graphical displays of moments, mixing layer and melting layer data • Provides visualization displays of: – Reflectivity – SNR (Signal to Noise) – Spectral width – Vertical velocity – Mixing layer – Planetary boundary layer – Melting layer – From
Slide 22: LapMOM: Displaying mixing layer data
LapMOM: Displaying mixing layer data ©Vaisala | date | Ref. code | Page 22
Slide 23: Optional LAP Monitor
Optional LAP® Monitor •Data acquisition subsystem • To monitor the health of the LAP®- hardware components • Assist maintenance personnel with fault diagnosis • Even shut down the system should certain critical conditions exceed predetermined limits •Communicates directly with the radar computer • R
Slide 24: WP Services
WP Services •Site survey •Installation •FAT (Factory Acceptance Test) •SAT (Site Acceptance Test) •Training (at Vaisala or at site) • Operator’s training • Maintenance training • Application training •Extended warranty •Service Contract ©Vaisala | date | Ref. code | Page 24