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radar imaging

On the relationship between aspect sensitivity, wave activity, andmultiple scattering centers of mesosphere summer echoes: a case study using coherent radar imaging

On the relationship between aspect sensitivity, wave activity, andmultiple scattering centers of mesosphere summer echoes: a case study using coherent radar imaging

... VHF radar (54.1 ◦ N, 11.8 ◦ E) with vertical and 7 ◦ oblique radar beams, was examined using the method of coherent radar imaging ...the radar volume by means of the high angular ...

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Geometric considerations of polar mesospheric summer echoes in tilted beams using coherent radar imaging

Geometric considerations of polar mesospheric summer echoes in tilted beams using coherent radar imaging

... mar Radar System in Northern Norway (69.30 ◦ N, 16.04 ◦ E). The radar is able to resolve PMSE at high spatial and tempo- ral resolution and to perform pulse-to-pulse beam ...coherent radar ...

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Patches of polar mesospheric summer echoes characterized from radar imaging observations with MAARSY

Patches of polar mesospheric summer echoes characterized from radar imaging observations with MAARSY

... discuss radar imaging to remove side lobe ...Sensitive radar systems have a good side lobe suppression ...wind radar) (−13 dB one way, Latteck et ...of imaging, side lobe detections of ...

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Investigation of horizontal structures at mesospheric altitudes  using coherent radar imaging

Investigation of horizontal structures at mesospheric altitudes using coherent radar imaging

... Alomar Radar System (MAARSY) on the Norwegian Island Andøya started its operation in ...coherent radar imaging (CRI) and to get a deeper insight into the inner structures of ...Coherent Radar ...

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GROUND-PENETRATING RADAR IMAGING TECHNIQUES APPLIED IN 3D ENVIRONMENT: EXAMPLE IN INACTIVE DUNES

GROUND-PENETRATING RADAR IMAGING TECHNIQUES APPLIED IN 3D ENVIRONMENT: EXAMPLE IN INACTIVE DUNES

... Grasmueck et al. (2005) proposed a higher line density to generate high-resolution 3D GPR imaging. Based on theoretical and practical analysis of the GPR signal, these authors believe that a spatial sampling of up ...

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Multi-offset ground-penetrating radar imaging of a lab-scale infiltration test

Multi-offset ground-penetrating radar imaging of a lab-scale infiltration test

... Most common methods for estimating water content from GPR are based on deriving wave velocity from arrivals iden- tified in radar images (Huisman et al., 2003). For example, Lunt et al. (2005) mapped seasonal ...

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Design and Implementation of a FPGA and DSP Based MIMO Radar Imaging System

Design and Implementation of a FPGA and DSP Based MIMO Radar Imaging System

... for imaging display on the LCD ...the imaging display area can be calculated as about ...the radar image, the interval between the steering vectors must be smaller than ...

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Imaging observations of nighttime mid-latitude F-region field-aligned irregularities by an MU radar ultra-multi-channel system

Imaging observations of nighttime mid-latitude F-region field-aligned irregularities by an MU radar ultra-multi-channel system

... (MU) radar ultra-multi-channel system with the radar imaging ...the radar were observed in the depletion (enhancement) phase of the ...the radar imaging ...the radar) ...

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Evaluation of multifrequency range imaging technique implemented on the  Chung–Li VHF atmospheric radar

Evaluation of multifrequency range imaging technique implemented on the Chung–Li VHF atmospheric radar

... range imaging (RIM) (Palmer et al., 1999) and frequency interferometric imaging (FII) (Luce et ...the radar remote sensing of the ...three-dimensional imaging of the scatter- ing structure in ...

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Int. braz j urol.  vol.32 número1

Int. braz j urol. vol.32 número1

... MR imaging and 383 underwent combined endorectal MR imaging-MR spectroscopic imaging before radical ...spectroscopic imaging was used, but the difference was not ...

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Detecção de plumas de incêndio com radar meteorológico

Detecção de plumas de incêndio com radar meteorológico

... do radar no combate a ...do radar na avaliação da qualidade do ar junto da pluma e a jusante desta, ...pelo radar quanto à aproximação de células convectivas (potencialmente com elevada actividade ...

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Improvements of Rainfall Rate Measured by Radar for Tripoli City - Libya

Improvements of Rainfall Rate Measured by Radar for Tripoli City - Libya

... by radar, s o thre e e m pirically de rive d Z-R re latio nships, fo r drizzle , m o de rate , and he avy rain are ne e de ...weather radar of wave length(5.5 cm) was used in this research, where the ...

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Electromagnetic energy deposition rate in the polar upper thermosphere derived from the EISCAT Svalbard radar and CUTLASS Finland radar observations

Electromagnetic energy deposition rate in the polar upper thermosphere derived from the EISCAT Svalbard radar and CUTLASS Finland radar observations

... The ESR allows us to observe the ionosphere connected to several magnetospheric regions, e.g., the polar cap and cusp region, in the height range from about 100 to several hun- dreds of km. The details of the ...

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MEASUREMENTS OF RAIN DROP SIZE DISTRBUTION FROM RADAR REFLECTIVITY AND ASSOCIATED RAIN ATTENUATION OF RADIO WAVES

MEASUREMENTS OF RAIN DROP SIZE DISTRBUTION FROM RADAR REFLECTIVITY AND ASSOCIATED RAIN ATTENUATION OF RADIO WAVES

... the radar beam is slightly curved downward in a standard atmosphere which reduces the height of the beam above the ground and hence one can measure the reflectivity at a lower height than in a homogeneous ...

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Typhoon 9707 observations with the MU radar and L-band boundary layer radar

Typhoon 9707 observations with the MU radar and L-band boundary layer radar

... MU radar on 20 June 1997. The MU radar can continuously observe height profiles of the wind field in the troposphere and lower stratosphere with the high time and height reso- lutions of 3 min and 150 m, ...

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Int. braz j urol.  vol.35 número3

Int. braz j urol. vol.35 número3

... Similarly since 2005, we have been using the multiparametric evaluation for the detection of prostate cancer in patients with elevated PSA and negative prostate biopsies. Multiparametric evaluation is a combina- tion of ...

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Imaging Method: An Efficient Algorithm for Moving Target Tracking by UWB Radar

Imaging Method: An Efficient Algorithm for Moving Target Tracking by UWB Radar

... raw radar data analyzed in this scenario were acquired by means of a multistatic M-sequence UWB radar ...the radar device is about ...the radar is 9, ...a radar resolution of about 3,3 ...

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J. Aerosp. Technol. Manag.  vol.7 número3

J. Aerosp. Technol. Manag. vol.7 número3

... a radar threatening situation, they need to know the stealth performance of the aircrat, as accurately as ...threatening radar as obstacles (Goerzen and Mettler 2010; Xu et ...and radar system’s ...

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Studies of medium scale travelling ionospheric disturbances using TIGER SuperDARN radar sea echo observations

Studies of medium scale travelling ionospheric disturbances using TIGER SuperDARN radar sea echo observations

... Many data analysis methods have been developed to de- termine MSTID and MSAGW parameters (such as the phase velocity, azimuth, and wavelength) from different types of radio observations (e.g. Briggs, 1968a, 1968b; ...

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Urachal carcinoma imaging findings

Urachal carcinoma imaging findings

... specific imaging findings of urachal carcinomas, the most characteristic imaging feature is a midline supravesical mass with low-attenuation component and calcifications reflecting the mucin ...

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