HF radar
Variability in the air–sea interaction patterns and timescales within the south-eastern Bay of Biscay, as observed by HF radar data
... the HF radar-derived surface currents at the south- eastern Bay of Biscay, with a cyclonic and anticyclonic sur- face circulation during winter and summer months, respec- ...
12
Mesosphere summer echoes observed with the SuperDARN Hokkaido HF radar at Rikubetsu, Japan (43 5°N)
... three HF-MSE events in June ...the HF radar echoes observed on beams 0–5 during 0700–0900 JST (JST = UT + 9 h) on 30 June ...The radar frequency and range resolution are ...
5
A Wave Measurements HF Radar Data Set in the Malta-Sicily Channel: Data Quality, Validation and Gap Filling
... operational HF radar observing network capable of recording (in quasi real-time with hourly updates) surface currents and wave data in the Malta-Sicily Channel ...of HF radar data to numerical ...
8
Effects of high latitude atmospheric gravity wave disturbances on artificial HF radar backscatter
... artificial HF radar backscatter as being caused by the passage of TIDs through the pumped volume of ...the HF radar measurements and the electron density perturbations measured by incoherent ...
15
Mesospheric winds derived from SuperDARN HF radar meteor echoes at Halley, Antarctica
... from HF radar observations of meteor echoes at Halley, Antarctica has been ...SuperDARN HF radars a unique advantage over other mesospheric ...the HF radar me- teor echoes and the ...
5
Giant ionospheric disturbances observed with the SuperDARN Hokkaido HF radar and GPS network after the 2011 Tohoku earthquake
... that HF radar echo power fluctuates due to focusing and defocusing of HF ray paths caused by electron density perturbations in association with AGW in the F region ...the radar wave, the actual ...
13
MF and HF radar techniques for investigating the dynamics and structure of the 50 to 110 km height region: a review
... steering radar, in which trans- mitter and receiving beams are formed and used to meas- ure radial velocities in a number of look directions, is rare at MF and lower HF because of the physically large array ...
34
Impact of HF radar current gap-filling methodologies on the Lagrangian assessment of coastal dynamics
... As done for the LCS, a first comparison is performed look- ing at the spatial distribution of RT obtained from the three different filled HFR datasets. In general, RT maps from the three methodologies are similar to the ...
21
The use of HF radar surface currents for computing Lagrangian trajectories: benefits and issues
... The HF-radar data allows inclusion of the spatial current variability in the track computation with a high temporal resolution. This is a significant improvement on the Eulerian approach because tracking ...
6
Assimilation of HF radar surface currents to optimize forcing in the northwestern Mediterranean Sea
... an HF radar system has been deployed in this region in an attempt to fill this void, allow- ing the gathering of continuous and synoptic observations of surface currents up to 100 km off the coastline with ...
17
Doppler HF Radar Application for the Study of Spatial Structure of Currents in the Black Sea
... Doppler HF radar (operating frequency is 25 MHz) in the Black Sea region adjacent to the city of Gelendzhik are ...the radar system is transferred to the second point on the coast where the procedure ...
11
Inversion of HF radar doppler spectra using a neural network
... from HF radar ...with HF-measured values of significant wave height, wave period, wave direction and wind direction input, to predict wind speed as measured by a wave ...and HF-measured first ...
19
High resolution observations of spectral width features associated with ULF wave signatures in artificial HF radar backscatter
... coherent HF radar returns is sensitive to the various regions of the ionosphere and the dynamic processes in the coupled magnetosphere- ionosphere system ...with radar backscat- ter from the cusp are ...
14
Application of HF radar in hazard management
... phased-array HF radar integrated into a port management system is given for the Port of Rotterdam in the ...phased-array HF radars have potential for multipurpose hazard ...an HF radar ...
15
Signal Generation and Timing Control of HF Radar
... The HF(80-1000 Km) and PR(65-95 Km; target level is 120m) radars are crucial components in assessing the behavior of electro jets and wind currents at an altitude range of 60 Km – 110 Km above the earth surface ...
10
Statistical characteristics of medium scale traveling ionospheric disturbances revealed from the Hokkaido East and Ekaterinburg HF radar data
... East HF radar from January 2007 to July ...the radar data and GEONET TEC data, they found that the propagation direction depends on the latitude and local ...
13
The Essential Digital Signal Processing In HF Radar Target Detection
... High-frequency radar (HF radar) usually must meet ahigher average transmit power to achieve its long-rangedetection capability and effective target discrimination [1];in addition to the transmitting ...
5
Directional spectra comparisons between HF radar and a wave model
... Wyatt, L.R., Green, J.J. and Middleditch, A. (2008) Directional spectra comparisons between HF radar and a wave model. In: Proceedings of the IEEE/OES/CMTC 9th working conference on Current Measurement ...
7
Wave and tidal power measurement using HF radar
... of HF radar systems located on the coast to measure ocean surface waves and currents is ...resource. HF radars are unique in being able to provide such data continuously and over wide areas of sea ...
6
HF radar oceanography
... WRITE PLOTFILE,// ,LFFT ,-1* LFFT DIV 2 *FREQSTEP ,FREQSTEP ; DO BEGIN WRITEPLOTFILE,MRSIZE,SXX[I-LFFT DIV 2]; I := I+MRSIZE END UNTIL I > LFFT OR I > 2048 END OF OUTPUTBLOCK; PROCEDURE [r] ...
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