MIRAI MR17-05C Doppler Radar

Last Modified: 2019-10-01
: MR17-05C
: Raw
: JAMSTEC
: Reflectivity, Doppler velocity
:
ATMOSPHERE > PRECIPITATION
ATMOSPHERE > CLOUDS
ATMOSPHERE > ATMOSPHERIC WINDS
SPECTRAL/ENGINEERING > RADAR > DOPPLER VELOCITY
SPECTRAL/ENGINEERING > RADAR > RADAR REFLECTIVITY

For Using Data

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Instrument:
Doppler radar (MR14-04 Leg1 -)
Doppler radar
Manufacturer/model: Toshiba Co., Japan/ TW4419A
Frequency: 5370MHz(C-band)
Transmitter: Solid-state transmitter
Pulse configuration : Using pulse-compression
Polarimetry: Horizontal and vertical
Peak power: 6kW(H) + 6kW(V)
Antenna diameter 4m
Beam angle: 1.0degree
Location (from sea surface): 24m (center position of antenna)

Inertial navigation system
Manufacturer/model: iXBlue SAS, France / PHINS
Location (from sea surface): 21m


Parameter
Surveillance Scan
Scan Interval [min]: 30
Elevations[deg]: 0.5
Pulse width (short/long) [μs]: 2 / 200
Scan speed [deg/sec]: 18
PRF*1 [Hz]: 400
Sweep integration (Pulse /Ray): 16 samples
Ray spacing [deg]: 0.7
Bin spacing [m]: 150
Max. range [km]: 300

Volume Scan
Scan interval [min]: 6
Elevations[deg]: 0.5 1.0, 1.7, 2.4, 3.1, 3.8, 4.6, 5.5, 6.5, 7.6, 8.9 10.4, 12.0, 13.8 16.0, 18.3, 21.0
Pulse width (short/long) [μs]: 1 / 64 1 / 32 1 / 32
Scan speed [deg/sec]: 18 24 36
PRF*1[Hz] dual PRF (ray alternative)*2
667 833 938 1250 1333 2000
Sweep integration (Pulse /Ray) 26 samples 33 samples 27 samples 34 samples 37 samples 55 samples
Ray spacing [deg]: 0.7 0.7 1.0
Bin spacing [m]: 150
Max. range [km]: 150 100 60

*1 Pulse Repetition Frequency
*2 During this cruise, the data were measured with the dual-PRF mode. Therefore, unfolding of Doppler velocity was applied automatically.
If you would like the raw data set, please contact us from "Contact Us" above.

Related Information

Update History

2019-10-01
An observation data was registerd.